Merge branch 'master' of https://source.jalview.org/git/jalviewjs.git
[jalviewjs.git] / site / jquery / jquery-1.11.0.js
1 /*!
2  * jQuery JavaScript Library v1.11.0
3  * http://jquery.com/
4  *
5  * Includes Sizzle.js
6  * http://sizzlejs.com/
7  *
8  * Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors
9  * Released under the MIT license
10  * http://jquery.org/license
11  *
12  * Date: 2014-01-23T21:02Z
13  */
14
15 (function( global, factory ) {
16
17         if ( typeof module === "object" && typeof module.exports === "object" ) {
18                 // For CommonJS and CommonJS-like environments where a proper window is present,
19                 // execute the factory and get jQuery
20                 // For environments that do not inherently posses a window with a document
21                 // (such as Node.js), expose a jQuery-making factory as module.exports
22                 // This accentuates the need for the creation of a real window
23                 // e.g. var jQuery = require("jquery")(window);
24                 // See ticket #14549 for more info
25                 module.exports = global.document ?
26                         factory( global, true ) :
27                         function( w ) {
28                                 if ( !w.document ) {
29                                         throw new Error( "jQuery requires a window with a document" );
30                                 }
31                                 return factory( w );
32                         };
33         } else {
34                 factory( global );
35         }
36
37 // Pass this if window is not defined yet
38 }(typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
39
40 // Can't do this because several apps including ASP.NET trace
41 // the stack via arguments.caller.callee and Firefox dies if
42 // you try to trace through "use strict" call chains. (#13335)
43 // Support: Firefox 18+
44 //
45
46 var deletedIds = [];
47
48 var slice = deletedIds.slice;
49
50 var concat = deletedIds.concat;
51
52 var push = deletedIds.push;
53
54 var indexOf = deletedIds.indexOf;
55
56 var class2type = {};
57
58 var toString = class2type.toString;
59
60 var hasOwn = class2type.hasOwnProperty;
61
62 var trim = "".trim;
63
64 var support = {};
65
66
67
68 var
69         version = "1.11.0",
70
71         // Define a local copy of jQuery
72         jQuery = function( selector, context ) {
73                 // The jQuery object is actually just the init constructor 'enhanced'
74                 // Need init if jQuery is called (just allow error to be thrown if not included)
75                 return new jQuery.fn.init( selector, context );
76         },
77
78         // Make sure we trim BOM and NBSP (here's looking at you, Safari 5.0 and IE)
79         rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
80
81         // Matches dashed string for camelizing
82         rmsPrefix = /^-ms-/,
83         rdashAlpha = /-([\da-z])/gi,
84
85         // Used by jQuery.camelCase as callback to replace()
86         fcamelCase = function( all, letter ) {
87                 return letter.toUpperCase();
88         };
89
90 jQuery.fn = jQuery.prototype = {
91         // The current version of jQuery being used
92         jquery: version,
93
94         constructor: jQuery,
95
96         // Start with an empty selector
97         selector: "",
98
99         // The default length of a jQuery object is 0
100         length: 0,
101
102         toArray: function() {
103                 return slice.call( this );
104         },
105
106         // Get the Nth element in the matched element set OR
107         // Get the whole matched element set as a clean array
108         get: function( num ) {
109                 return num != null ?
110
111                         // Return a 'clean' array
112                         ( num < 0 ? this[ num + this.length ] : this[ num ] ) :
113
114                         // Return just the object
115                         slice.call( this );
116         },
117
118         // Take an array of elements and push it onto the stack
119         // (returning the new matched element set)
120         pushStack: function( elems ) {
121
122                 // Build a new jQuery matched element set
123                 var ret = jQuery.merge( this.constructor(), elems );
124
125                 // Add the old object onto the stack (as a reference)
126                 ret.prevObject = this;
127                 ret.context = this.context;
128
129                 // Return the newly-formed element set
130                 return ret;
131         },
132
133         // Execute a callback for every element in the matched set.
134         // (You can seed the arguments with an array of args, but this is
135         // only used internally.)
136         each: function( callback, args ) {
137                 return jQuery.each( this, callback, args );
138         },
139
140         map: function( callback ) {
141                 return this.pushStack( jQuery.map(this, function( elem, i ) {
142                         return callback.call( elem, i, elem );
143                 }));
144         },
145
146         slice: function() {
147                 return this.pushStack( slice.apply( this, arguments ) );
148         },
149
150         first: function() {
151                 return this.eq( 0 );
152         },
153
154         last: function() {
155                 return this.eq( -1 );
156         },
157
158         eq: function( i ) {
159                 var len = this.length,
160                         j = +i + ( i < 0 ? len : 0 );
161                 return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] );
162         },
163
164         end: function() {
165                 return this.prevObject || this.constructor(null);
166         },
167
168         // For internal use only.
169         // Behaves like an Array's method, not like a jQuery method.
170         push: push,
171         sort: deletedIds.sort,
172         splice: deletedIds.splice
173 };
174
175 jQuery.extend = jQuery.fn.extend = function() {
176         var src, copyIsArray, copy, name, options, clone,
177                 target = arguments[0] || {},
178                 i = 1,
179                 length = arguments.length,
180                 deep = false;
181
182         // Handle a deep copy situation
183         if ( typeof target === "boolean" ) {
184                 deep = target;
185
186                 // skip the boolean and the target
187                 target = arguments[ i ] || {};
188                 i++;
189         }
190
191         // Handle case when target is a string or something (possible in deep copy)
192         if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
193                 target = {};
194         }
195
196         // extend jQuery itself if only one argument is passed
197         if ( i === length ) {
198                 target = this;
199                 i--;
200         }
201
202         for ( ; i < length; i++ ) {
203                 // Only deal with non-null/undefined values
204                 if ( (options = arguments[ i ]) != null ) {
205                         // Extend the base object
206                         for ( name in options ) {
207                                 src = target[ name ];
208                                 copy = options[ name ];
209
210                                 // Prevent never-ending loop
211                                 if ( target === copy ) {
212                                         continue;
213                                 }
214
215                                 // Recurse if we're merging plain objects or arrays
216                                 if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
217                                         if ( copyIsArray ) {
218                                                 copyIsArray = false;
219                                                 clone = src && jQuery.isArray(src) ? src : [];
220
221                                         } else {
222                                                 clone = src && jQuery.isPlainObject(src) ? src : {};
223                                         }
224
225                                         // Never move original objects, clone them
226                                         target[ name ] = jQuery.extend( deep, clone, copy );
227
228                                 // Don't bring in undefined values
229                                 } else if ( copy !== undefined ) {
230                                         target[ name ] = copy;
231                                 }
232                         }
233                 }
234         }
235
236         // Return the modified object
237         return target;
238 };
239
240 jQuery.extend({
241         // Unique for each copy of jQuery on the page
242         expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
243
244         // Assume jQuery is ready without the ready module
245         isReady: true,
246
247         error: function( msg ) {
248                 throw new Error( msg );
249         },
250
251         noop: function() {},
252
253         // See test/unit/core.js for details concerning isFunction.
254         // Since version 1.3, DOM methods and functions like alert
255         // aren't supported. They return false on IE (#2968).
256         isFunction: function( obj ) {
257                 return jQuery.type(obj) === "function";
258         },
259
260         isArray: Array.isArray || function( obj ) {
261                 return jQuery.type(obj) === "array";
262         },
263
264         isWindow: function( obj ) {
265                 /* jshint eqeqeq: false */
266                 return obj != null && obj == obj.window;
267         },
268
269         isNumeric: function( obj ) {
270                 // parseFloat NaNs numeric-cast false positives (null|true|false|"")
271                 // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
272                 // subtraction forces infinities to NaN
273                 return obj - parseFloat( obj ) >= 0;
274         },
275
276         isEmptyObject: function( obj ) {
277                 var name;
278                 for ( name in obj ) {
279                         return false;
280                 }
281                 return true;
282         },
283
284         isPlainObject: function( obj ) {
285                 var key;
286
287                 // Must be an Object.
288                 // Because of IE, we also have to check the presence of the constructor property.
289                 // Make sure that DOM nodes and window objects don't pass through, as well
290                 if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
291                         return false;
292                 }
293
294                 try {
295                         // Not own constructor property must be Object
296                         if ( obj.constructor &&
297                                 !hasOwn.call(obj, "constructor") &&
298                                 !hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
299                                 return false;
300                         }
301                 } catch ( e ) {
302                         // IE8,9 Will throw exceptions on certain host objects #9897
303                         return false;
304                 }
305
306                 // Support: IE<9
307                 // Handle iteration over inherited properties before own properties.
308                 if ( support.ownLast ) {
309                         for ( key in obj ) {
310                                 return hasOwn.call( obj, key );
311                         }
312                 }
313
314                 // Own properties are enumerated firstly, so to speed up,
315                 // if last one is own, then all properties are own.
316                 for ( key in obj ) {}
317
318                 return key === undefined || hasOwn.call( obj, key );
319         },
320
321         type: function( obj ) {
322                 if ( obj == null ) {
323                         return obj + "";
324                 }
325                 return typeof obj === "object" || typeof obj === "function" ?
326                         class2type[ toString.call(obj) ] || "object" :
327                         typeof obj;
328         },
329
330         // Evaluates a script in a global context
331         // Workarounds based on findings by Jim Driscoll
332         // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
333         globalEval: function( data ) {
334                 if ( data && jQuery.trim( data ) ) {
335                         // We use execScript on Internet Explorer
336                         // We use an anonymous function so that context is window
337                         // rather than jQuery in Firefox
338                         ( window.execScript || function( data ) {
339                                 window[ "eval" ].call( window, data );
340                         } )( data );
341                 }
342         },
343
344         // Convert dashed to camelCase; used by the css and data modules
345         // Microsoft forgot to hump their vendor prefix (#9572)
346         camelCase: function( string ) {
347                 return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
348         },
349
350         nodeName: function( elem, name ) {
351                 return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
352         },
353
354         // args is for internal usage only
355         each: function( obj, callback, args ) {
356                 var value,
357                         i = 0,
358                         length = obj.length,
359                         isArray = isArraylike( obj );
360
361                 if ( args ) {
362                         if ( isArray ) {
363                                 for ( ; i < length; i++ ) {
364                                         value = callback.apply( obj[ i ], args );
365
366                                         if ( value === false ) {
367                                                 break;
368                                         }
369                                 }
370                         } else {
371                                 for ( i in obj ) {
372                                         value = callback.apply( obj[ i ], args );
373
374                                         if ( value === false ) {
375                                                 break;
376                                         }
377                                 }
378                         }
379
380                 // A special, fast, case for the most common use of each
381                 } else {
382                         if ( isArray ) {
383                                 for ( ; i < length; i++ ) {
384                                         value = callback.call( obj[ i ], i, obj[ i ] );
385
386                                         if ( value === false ) {
387                                                 break;
388                                         }
389                                 }
390                         } else {
391                                 for ( i in obj ) {
392                                         value = callback.call( obj[ i ], i, obj[ i ] );
393
394                                         if ( value === false ) {
395                                                 break;
396                                         }
397                                 }
398                         }
399                 }
400
401                 return obj;
402         },
403
404         // Use native String.trim function wherever possible
405         trim: trim && !trim.call("\uFEFF\xA0") ?
406                 function( text ) {
407                         return text == null ?
408                                 "" :
409                                 trim.call( text );
410                 } :
411
412                 // Otherwise use our own trimming functionality
413                 function( text ) {
414                         return text == null ?
415                                 "" :
416                                 ( text + "" ).replace( rtrim, "" );
417                 },
418
419         // results is for internal usage only
420         makeArray: function( arr, results ) {
421                 var ret = results || [];
422
423                 if ( arr != null ) {
424                         if ( isArraylike( Object(arr) ) ) {
425                                 jQuery.merge( ret,
426                                         typeof arr === "string" ?
427                                         [ arr ] : arr
428                                 );
429                         } else {
430                                 push.call( ret, arr );
431                         }
432                 }
433
434                 return ret;
435         },
436
437         inArray: function( elem, arr, i ) {
438                 var len;
439
440                 if ( arr ) {
441                         if ( indexOf ) {
442                                 return indexOf.call( arr, elem, i );
443                         }
444
445                         len = arr.length;
446                         i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;
447
448                         for ( ; i < len; i++ ) {
449                                 // Skip accessing in sparse arrays
450                                 if ( i in arr && arr[ i ] === elem ) {
451                                         return i;
452                                 }
453                         }
454                 }
455
456                 return -1;
457         },
458
459         merge: function( first, second ) {
460                 var len = +second.length,
461                         j = 0,
462                         i = first.length;
463
464                 while ( j < len ) {
465                         first[ i++ ] = second[ j++ ];
466                 }
467
468                 // Support: IE<9
469                 // Workaround casting of .length to NaN on otherwise arraylike objects (e.g., NodeLists)
470                 if ( len !== len ) {
471                         while ( second[j] !== undefined ) {
472                                 first[ i++ ] = second[ j++ ];
473                         }
474                 }
475
476                 first.length = i;
477
478                 return first;
479         },
480
481         grep: function( elems, callback, invert ) {
482                 var callbackInverse,
483                         matches = [],
484                         i = 0,
485                         length = elems.length,
486                         callbackExpect = !invert;
487
488                 // Go through the array, only saving the items
489                 // that pass the validator function
490                 for ( ; i < length; i++ ) {
491                         callbackInverse = !callback( elems[ i ], i );
492                         if ( callbackInverse !== callbackExpect ) {
493                                 matches.push( elems[ i ] );
494                         }
495                 }
496
497                 return matches;
498         },
499
500         // arg is for internal usage only
501         map: function( elems, callback, arg ) {
502                 var value,
503                         i = 0,
504                         length = elems.length,
505                         isArray = isArraylike( elems ),
506                         ret = [];
507
508                 // Go through the array, translating each of the items to their new values
509                 if ( isArray ) {
510                         for ( ; i < length; i++ ) {
511                                 value = callback( elems[ i ], i, arg );
512
513                                 if ( value != null ) {
514                                         ret.push( value );
515                                 }
516                         }
517
518                 // Go through every key on the object,
519                 } else {
520                         for ( i in elems ) {
521                                 value = callback( elems[ i ], i, arg );
522
523                                 if ( value != null ) {
524                                         ret.push( value );
525                                 }
526                         }
527                 }
528
529                 // Flatten any nested arrays
530                 return concat.apply( [], ret );
531         },
532
533         // A global GUID counter for objects
534         guid: 1,
535
536         // Bind a function to a context, optionally partially applying any
537         // arguments.
538         proxy: function( fn, context ) {
539                 var args, proxy, tmp;
540
541                 if ( typeof context === "string" ) {
542                         tmp = fn[ context ];
543                         context = fn;
544                         fn = tmp;
545                 }
546
547                 // Quick check to determine if target is callable, in the spec
548                 // this throws a TypeError, but we will just return undefined.
549                 if ( !jQuery.isFunction( fn ) ) {
550                         return undefined;
551                 }
552
553                 // Simulated bind
554                 args = slice.call( arguments, 2 );
555                 proxy = function() {
556                         return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
557                 };
558
559                 // Set the guid of unique handler to the same of original handler, so it can be removed
560                 proxy.guid = fn.guid = fn.guid || jQuery.guid++;
561
562                 return proxy;
563         },
564
565         now: function() {
566                 return +( new Date() );
567         },
568
569         // jQuery.support is not used in Core but other projects attach their
570         // properties to it so it needs to exist.
571         support: support
572 });
573
574 // Populate the class2type map
575 jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
576         class2type[ "[object " + name + "]" ] = name.toLowerCase();
577 });
578
579 function isArraylike( obj ) {
580         var length = obj.length,
581                 type = jQuery.type( obj );
582
583         if ( type === "function" || jQuery.isWindow( obj ) ) {
584                 return false;
585         }
586
587         if ( obj.nodeType === 1 && length ) {
588                 return true;
589         }
590
591         return type === "array" || length === 0 ||
592                 typeof length === "number" && length > 0 && ( length - 1 ) in obj;
593 }
594 var Sizzle =
595 /*!
596  * Sizzle CSS Selector Engine v1.10.16
597  * http://sizzlejs.com/
598  *
599  * Copyright 2013 jQuery Foundation, Inc. and other contributors
600  * Released under the MIT license
601  * http://jquery.org/license
602  *
603  * Date: 2014-01-13
604  */
605 (function( window ) {
606
607 var i,
608         support,
609         Expr,
610         getText,
611         isXML,
612         compile,
613         outermostContext,
614         sortInput,
615         hasDuplicate,
616
617         // Local document vars
618         setDocument,
619         document,
620         docElem,
621         documentIsHTML,
622         rbuggyQSA,
623         rbuggyMatches,
624         matches,
625         contains,
626
627         // Instance-specific data
628         expando = "sizzle" + -(new Date()),
629         preferredDoc = window.document,
630         dirruns = 0,
631         done = 0,
632         classCache = createCache(),
633         tokenCache = createCache(),
634         compilerCache = createCache(),
635         sortOrder = function( a, b ) {
636                 if ( a === b ) {
637                         hasDuplicate = true;
638                 }
639                 return 0;
640         },
641
642         // General-purpose constants
643         strundefined = typeof undefined,
644         MAX_NEGATIVE = 1 << 31,
645
646         // Instance methods
647         hasOwn = ({}).hasOwnProperty,
648         arr = [],
649         pop = arr.pop,
650         push_native = arr.push,
651         push = arr.push,
652         slice = arr.slice,
653         // Use a stripped-down indexOf if we can't use a native one
654         indexOf = arr.indexOf || function( elem ) {
655                 var i = 0,
656                         len = this.length;
657                 for ( ; i < len; i++ ) {
658                         if ( this[i] === elem ) {
659                                 return i;
660                         }
661                 }
662                 return -1;
663         },
664
665         booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
666
667         // Regular expressions
668
669         // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
670         whitespace = "[\\x20\\t\\r\\n\\f]",
671         // http://www.w3.org/TR/css3-syntax/#characters
672         characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
673
674         // Loosely modeled on CSS identifier characters
675         // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors
676         // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
677         identifier = characterEncoding.replace( "w", "w#" ),
678
679         // Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors
680         attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace +
681                 "*(?:([*^$|!~]?=)" + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]",
682
683         // Prefer arguments quoted,
684         //   then not containing pseudos/brackets,
685         //   then attribute selectors/non-parenthetical expressions,
686         //   then anything else
687         // These preferences are here to reduce the number of selectors
688         //   needing tokenize in the PSEUDO preFilter
689         pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace( 3, 8 ) + ")*)|.*)\\)|)",
690
691         // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
692         rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
693
694         rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
695         rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
696
697         rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
698
699         rpseudo = new RegExp( pseudos ),
700         ridentifier = new RegExp( "^" + identifier + "$" ),
701
702         matchExpr = {
703                 "ID": new RegExp( "^#(" + characterEncoding + ")" ),
704                 "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),
705                 "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ),
706                 "ATTR": new RegExp( "^" + attributes ),
707                 "PSEUDO": new RegExp( "^" + pseudos ),
708                 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
709                         "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
710                         "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
711                 "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
712                 // For use in libraries implementing .is()
713                 // We use this for POS matching in `select`
714                 "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
715                         whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
716         },
717
718         rinputs = /^(?:input|select|textarea|button)$/i,
719         rheader = /^h\d$/i,
720
721         rnative = /^[^{]+\{\s*\[native \w/,
722
723         // Easily-parseable/retrievable ID or TAG or CLASS selectors
724         rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
725
726         rsibling = /[+~]/,
727         rescape = /'|\\/g,
728
729         // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
730         runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
731         funescape = function( _, escaped, escapedWhitespace ) {
732                 var high = "0x" + escaped - 0x10000;
733                 // NaN means non-codepoint
734                 // Support: Firefox
735                 // Workaround erroneous numeric interpretation of +"0x"
736                 return high !== high || escapedWhitespace ?
737                         escaped :
738                         high < 0 ?
739                                 // BMP codepoint
740                                 String.fromCharCode( high + 0x10000 ) :
741                                 // Supplemental Plane codepoint (surrogate pair)
742                                 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
743         };
744
745 // Optimize for push.apply( _, NodeList )
746 try {
747         push.apply(
748                 (arr = slice.call( preferredDoc.childNodes )),
749                 preferredDoc.childNodes
750         );
751         // Support: Android<4.0
752         // Detect silently failing push.apply
753         arr[ preferredDoc.childNodes.length ].nodeType;
754 } catch ( e ) {
755         push = { apply: arr.length ?
756
757                 // Leverage slice if possible
758                 function( target, els ) {
759                         push_native.apply( target, slice.call(els) );
760                 } :
761
762                 // Support: IE<9
763                 // Otherwise append directly
764                 function( target, els ) {
765                         var j = target.length,
766                                 i = 0;
767                         // Can't trust NodeList.length
768                         while ( (target[j++] = els[i++]) ) {}
769                         target.length = j - 1;
770                 }
771         };
772 }
773
774 function Sizzle( selector, context, results, seed ) {
775         var match, elem, m, nodeType,
776                 // QSA vars
777                 i, groups, old, nid, newContext, newSelector;
778
779         if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
780                 setDocument( context );
781         }
782
783         context = context || document;
784         results = results || [];
785
786         if ( !selector || typeof selector !== "string" ) {
787                 return results;
788         }
789
790         if ( (nodeType = context.nodeType) !== 1 && nodeType !== 9 ) {
791                 return [];
792         }
793
794         if ( documentIsHTML && !seed ) {
795
796                 // Shortcuts
797                 if ( (match = rquickExpr.exec( selector )) ) {
798                         // Speed-up: Sizzle("#ID")
799                         if ( (m = match[1]) ) {
800                                 if ( nodeType === 9 ) {
801                                         elem = context.getElementById( m );
802                                         // Check parentNode to catch when Blackberry 4.6 returns
803                                         // nodes that are no longer in the document (jQuery #6963)
804                                         if ( elem && elem.parentNode ) {
805                                                 // Handle the case where IE, Opera, and Webkit return items
806                                                 // by name instead of ID
807                                                 if ( elem.id === m ) {
808                                                         results.push( elem );
809                                                         return results;
810                                                 }
811                                         } else {
812                                                 return results;
813                                         }
814                                 } else {
815                                         // Context is not a document
816                                         if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&
817                                                 contains( context, elem ) && elem.id === m ) {
818                                                 results.push( elem );
819                                                 return results;
820                                         }
821                                 }
822
823                         // Speed-up: Sizzle("TAG")
824                         } else if ( match[2] ) {
825                                 push.apply( results, context.getElementsByTagName( selector ) );
826                                 return results;
827
828                         // Speed-up: Sizzle(".CLASS")
829                         } else if ( (m = match[3]) && support.getElementsByClassName && context.getElementsByClassName ) {
830                                 push.apply( results, context.getElementsByClassName( m ) );
831                                 return results;
832                         }
833                 }
834
835                 // QSA path
836                 if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
837                         nid = old = expando;
838                         newContext = context;
839                         newSelector = nodeType === 9 && selector;
840
841                         // qSA works strangely on Element-rooted queries
842                         // We can work around this by specifying an extra ID on the root
843                         // and working up from there (Thanks to Andrew Dupont for the technique)
844                         // IE 8 doesn't work on object elements
845                         if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
846                                 groups = tokenize( selector );
847
848                                 if ( (old = context.getAttribute("id")) ) {
849                                         nid = old.replace( rescape, "\\$&" );
850                                 } else {
851                                         context.setAttribute( "id", nid );
852                                 }
853                                 nid = "[id='" + nid + "'] ";
854
855                                 i = groups.length;
856                                 while ( i-- ) {
857                                         groups[i] = nid + toSelector( groups[i] );
858                                 }
859                                 newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context;
860                                 newSelector = groups.join(",");
861                         }
862
863                         if ( newSelector ) {
864                                 try {
865                                         push.apply( results,
866                                                 newContext.querySelectorAll( newSelector )
867                                         );
868                                         return results;
869                                 } catch(qsaError) {
870                                 } finally {
871                                         if ( !old ) {
872                                                 context.removeAttribute("id");
873                                         }
874                                 }
875                         }
876                 }
877         }
878
879         // All others
880         return select( selector.replace( rtrim, "$1" ), context, results, seed );
881 }
882
883 /**
884  * Create key-value caches of limited size
885  * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
886  *      property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
887  *      deleting the oldest entry
888  */
889 function createCache() {
890         var keys = [];
891
892         function cache( key, value ) {
893                 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
894                 if ( keys.push( key + " " ) > Expr.cacheLength ) {
895                         // Only keep the most recent entries
896                         delete cache[ keys.shift() ];
897                 }
898                 return (cache[ key + " " ] = value);
899         }
900         return cache;
901 }
902
903 /**
904  * Mark a function for special use by Sizzle
905  * @param {Function} fn The function to mark
906  */
907 function markFunction( fn ) {
908         fn[ expando ] = true;
909         return fn;
910 }
911
912 /**
913  * Support testing using an element
914  * @param {Function} fn Passed the created div and expects a boolean result
915  */
916 function assert( fn ) {
917         var div = document.createElement("div");
918
919         try {
920                 return !!fn( div );
921         } catch (e) {
922                 return false;
923         } finally {
924                 // Remove from its parent by default
925                 if ( div.parentNode ) {
926                         div.parentNode.removeChild( div );
927                 }
928                 // release memory in IE
929                 div = null;
930         }
931 }
932
933 /**
934  * Adds the same handler for all of the specified attrs
935  * @param {String} attrs Pipe-separated list of attributes
936  * @param {Function} handler The method that will be applied
937  */
938 function addHandle( attrs, handler ) {
939         var arr = attrs.split("|"),
940                 i = attrs.length;
941
942         while ( i-- ) {
943                 Expr.attrHandle[ arr[i] ] = handler;
944         }
945 }
946
947 /**
948  * Checks document order of two siblings
949  * @param {Element} a
950  * @param {Element} b
951  * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
952  */
953 function siblingCheck( a, b ) {
954         var cur = b && a,
955                 diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
956                         ( ~b.sourceIndex || MAX_NEGATIVE ) -
957                         ( ~a.sourceIndex || MAX_NEGATIVE );
958
959         // Use IE sourceIndex if available on both nodes
960         if ( diff ) {
961                 return diff;
962         }
963
964         // Check if b follows a
965         if ( cur ) {
966                 while ( (cur = cur.nextSibling) ) {
967                         if ( cur === b ) {
968                                 return -1;
969                         }
970                 }
971         }
972
973         return a ? 1 : -1;
974 }
975
976 /**
977  * Returns a function to use in pseudos for input types
978  * @param {String} type
979  */
980 function createInputPseudo( type ) {
981         return function( elem ) {
982                 var name = elem.nodeName.toLowerCase();
983                 return name === "input" && elem.type === type;
984         };
985 }
986
987 /**
988  * Returns a function to use in pseudos for buttons
989  * @param {String} type
990  */
991 function createButtonPseudo( type ) {
992         return function( elem ) {
993                 var name = elem.nodeName.toLowerCase();
994                 return (name === "input" || name === "button") && elem.type === type;
995         };
996 }
997
998 /**
999  * Returns a function to use in pseudos for positionals
1000  * @param {Function} fn
1001  */
1002 function createPositionalPseudo( fn ) {
1003         return markFunction(function( argument ) {
1004                 argument = +argument;
1005                 return markFunction(function( seed, matches ) {
1006                         var j,
1007                                 matchIndexes = fn( [], seed.length, argument ),
1008                                 i = matchIndexes.length;
1009
1010                         // Match elements found at the specified indexes
1011                         while ( i-- ) {
1012                                 if ( seed[ (j = matchIndexes[i]) ] ) {
1013                                         seed[j] = !(matches[j] = seed[j]);
1014                                 }
1015                         }
1016                 });
1017         });
1018 }
1019
1020 /**
1021  * Checks a node for validity as a Sizzle context
1022  * @param {Element|Object=} context
1023  * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1024  */
1025 function testContext( context ) {
1026         return context && typeof context.getElementsByTagName !== strundefined && context;
1027 }
1028
1029 // Expose support vars for convenience
1030 support = Sizzle.support = {};
1031
1032 /**
1033  * Detects XML nodes
1034  * @param {Element|Object} elem An element or a document
1035  * @returns {Boolean} True iff elem is a non-HTML XML node
1036  */
1037 isXML = Sizzle.isXML = function( elem ) {
1038         // documentElement is verified for cases where it doesn't yet exist
1039         // (such as loading iframes in IE - #4833)
1040         var documentElement = elem && (elem.ownerDocument || elem).documentElement;
1041         return documentElement ? documentElement.nodeName !== "HTML" : false;
1042 };
1043
1044 /**
1045  * Sets document-related variables once based on the current document
1046  * @param {Element|Object} [doc] An element or document object to use to set the document
1047  * @returns {Object} Returns the current document
1048  */
1049 setDocument = Sizzle.setDocument = function( node ) {
1050         var hasCompare,
1051                 doc = node ? node.ownerDocument || node : preferredDoc,
1052                 parent = doc.defaultView;
1053
1054         // If no document and documentElement is available, return
1055         if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1056                 return document;
1057         }
1058
1059         // Set our document
1060         document = doc;
1061         docElem = doc.documentElement;
1062
1063         // Support tests
1064         documentIsHTML = !isXML( doc );
1065
1066         // Support: IE>8
1067         // If iframe document is assigned to "document" variable and if iframe has been reloaded,
1068         // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936
1069         // IE6-8 do not support the defaultView property so parent will be undefined
1070         if ( parent && parent !== parent.top ) {
1071                 // IE11 does not have attachEvent, so all must suffer
1072                 if ( parent.addEventListener ) {
1073                         parent.addEventListener( "unload", function() {
1074                                 setDocument();
1075                         }, false );
1076                 } else if ( parent.attachEvent ) {
1077                         parent.attachEvent( "onunload", function() {
1078                                 setDocument();
1079                         });
1080                 }
1081         }
1082
1083         /* Attributes
1084         ---------------------------------------------------------------------- */
1085
1086         // Support: IE<8
1087         // Verify that getAttribute really returns attributes and not properties (excepting IE8 booleans)
1088         support.attributes = assert(function( div ) {
1089                 div.className = "i";
1090                 return !div.getAttribute("className");
1091         });
1092
1093         /* getElement(s)By*
1094         ---------------------------------------------------------------------- */
1095
1096         // Check if getElementsByTagName("*") returns only elements
1097         support.getElementsByTagName = assert(function( div ) {
1098                 div.appendChild( doc.createComment("") );
1099                 return !div.getElementsByTagName("*").length;
1100         });
1101
1102         // Check if getElementsByClassName can be trusted
1103         support.getElementsByClassName = rnative.test( doc.getElementsByClassName ) && assert(function( div ) {
1104                 div.innerHTML = "<div class='a'></div><div class='a i'></div>";
1105
1106                 // Support: Safari<4
1107                 // Catch class over-caching
1108                 div.firstChild.className = "i";
1109                 // Support: Opera<10
1110                 // Catch gEBCN failure to find non-leading classes
1111                 return div.getElementsByClassName("i").length === 2;
1112         });
1113
1114         // Support: IE<10
1115         // Check if getElementById returns elements by name
1116         // The broken getElementById methods don't pick up programatically-set names,
1117         // so use a roundabout getElementsByName test
1118         support.getById = assert(function( div ) {
1119                 docElem.appendChild( div ).id = expando;
1120                 return !doc.getElementsByName || !doc.getElementsByName( expando ).length;
1121         });
1122
1123         // ID find and filter
1124         if ( support.getById ) {
1125                 Expr.find["ID"] = function( id, context ) {
1126                         if ( typeof context.getElementById !== strundefined && documentIsHTML ) {
1127                                 var m = context.getElementById( id );
1128                                 // Check parentNode to catch when Blackberry 4.6 returns
1129                                 // nodes that are no longer in the document #6963
1130                                 return m && m.parentNode ? [m] : [];
1131                         }
1132                 };
1133                 Expr.filter["ID"] = function( id ) {
1134                         var attrId = id.replace( runescape, funescape );
1135                         return function( elem ) {
1136                                 return elem.getAttribute("id") === attrId;
1137                         };
1138                 };
1139         } else {
1140                 // Support: IE6/7
1141                 // getElementById is not reliable as a find shortcut
1142                 delete Expr.find["ID"];
1143
1144                 Expr.filter["ID"] =  function( id ) {
1145                         var attrId = id.replace( runescape, funescape );
1146                         return function( elem ) {
1147                                 var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");
1148                                 return node && node.value === attrId;
1149                         };
1150                 };
1151         }
1152
1153         // Tag
1154         Expr.find["TAG"] = support.getElementsByTagName ?
1155                 function( tag, context ) {
1156                         if ( typeof context.getElementsByTagName !== strundefined ) {
1157                                 return context.getElementsByTagName( tag );
1158                         }
1159                 } :
1160                 function( tag, context ) {
1161                         var elem,
1162                                 tmp = [],
1163                                 i = 0,
1164                                 results = context.getElementsByTagName( tag );
1165
1166                         // Filter out possible comments
1167                         if ( tag === "*" ) {
1168                                 while ( (elem = results[i++]) ) {
1169                                         if ( elem.nodeType === 1 ) {
1170                                                 tmp.push( elem );
1171                                         }
1172                                 }
1173
1174                                 return tmp;
1175                         }
1176                         return results;
1177                 };
1178
1179         // Class
1180         Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1181                 if ( typeof context.getElementsByClassName !== strundefined && documentIsHTML ) {
1182                         return context.getElementsByClassName( className );
1183                 }
1184         };
1185
1186         /* QSA/matchesSelector
1187         ---------------------------------------------------------------------- */
1188
1189         // QSA and matchesSelector support
1190
1191         // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1192         rbuggyMatches = [];
1193
1194         // qSa(:focus) reports false when true (Chrome 21)
1195         // We allow this because of a bug in IE8/9 that throws an error
1196         // whenever `document.activeElement` is accessed on an iframe
1197         // So, we allow :focus to pass through QSA all the time to avoid the IE error
1198         // See http://bugs.jquery.com/ticket/13378
1199         rbuggyQSA = [];
1200
1201         if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) {
1202                 // Build QSA regex
1203                 // Regex strategy adopted from Diego Perini
1204                 assert(function( div ) {
1205                         // Select is set to empty string on purpose
1206                         // This is to test IE's treatment of not explicitly
1207                         // setting a boolean content attribute,
1208                         // since its presence should be enough
1209                         // http://bugs.jquery.com/ticket/12359
1210                         div.innerHTML = "<select t=''><option selected=''></option></select>";
1211
1212                         // Support: IE8, Opera 10-12
1213                         // Nothing should be selected when empty strings follow ^= or $= or *=
1214                         if ( div.querySelectorAll("[t^='']").length ) {
1215                                 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1216                         }
1217
1218                         // Support: IE8
1219                         // Boolean attributes and "value" are not treated correctly
1220                         if ( !div.querySelectorAll("[selected]").length ) {
1221                                 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1222                         }
1223
1224                         // Webkit/Opera - :checked should return selected option elements
1225                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1226                         // IE8 throws error here and will not see later tests
1227                         if ( !div.querySelectorAll(":checked").length ) {
1228                                 rbuggyQSA.push(":checked");
1229                         }
1230                 });
1231
1232                 assert(function( div ) {
1233                         // Support: Windows 8 Native Apps
1234                         // The type and name attributes are restricted during .innerHTML assignment
1235                         var input = doc.createElement("input");
1236                         input.setAttribute( "type", "hidden" );
1237                         div.appendChild( input ).setAttribute( "name", "D" );
1238
1239                         // Support: IE8
1240                         // Enforce case-sensitivity of name attribute
1241                         if ( div.querySelectorAll("[name=d]").length ) {
1242                                 rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1243                         }
1244
1245                         // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1246                         // IE8 throws error here and will not see later tests
1247                         if ( !div.querySelectorAll(":enabled").length ) {
1248                                 rbuggyQSA.push( ":enabled", ":disabled" );
1249                         }
1250
1251                         // Opera 10-11 does not throw on post-comma invalid pseudos
1252                         div.querySelectorAll("*,:x");
1253                         rbuggyQSA.push(",.*:");
1254                 });
1255         }
1256
1257         if ( (support.matchesSelector = rnative.test( (matches = docElem.webkitMatchesSelector ||
1258                 docElem.mozMatchesSelector ||
1259                 docElem.oMatchesSelector ||
1260                 docElem.msMatchesSelector) )) ) {
1261
1262                 assert(function( div ) {
1263                         // Check to see if it's possible to do matchesSelector
1264                         // on a disconnected node (IE 9)
1265                         support.disconnectedMatch = matches.call( div, "div" );
1266
1267                         // This should fail with an exception
1268                         // Gecko does not error, returns false instead
1269                         matches.call( div, "[s!='']:x" );
1270                         rbuggyMatches.push( "!=", pseudos );
1271                 });
1272         }
1273
1274         rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1275         rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1276
1277         /* Contains
1278         ---------------------------------------------------------------------- */
1279         hasCompare = rnative.test( docElem.compareDocumentPosition );
1280
1281         // Element contains another
1282         // Purposefully does not implement inclusive descendent
1283         // As in, an element does not contain itself
1284         contains = hasCompare || rnative.test( docElem.contains ) ?
1285                 function( a, b ) {
1286                         var adown = a.nodeType === 9 ? a.documentElement : a,
1287                                 bup = b && b.parentNode;
1288                         return a === bup || !!( bup && bup.nodeType === 1 && (
1289                                 adown.contains ?
1290                                         adown.contains( bup ) :
1291                                         a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1292                         ));
1293                 } :
1294                 function( a, b ) {
1295                         if ( b ) {
1296                                 while ( (b = b.parentNode) ) {
1297                                         if ( b === a ) {
1298                                                 return true;
1299                                         }
1300                                 }
1301                         }
1302                         return false;
1303                 };
1304
1305         /* Sorting
1306         ---------------------------------------------------------------------- */
1307
1308         // Document order sorting
1309         sortOrder = hasCompare ?
1310         function( a, b ) {
1311
1312                 // Flag for duplicate removal
1313                 if ( a === b ) {
1314                         hasDuplicate = true;
1315                         return 0;
1316                 }
1317
1318                 // Sort on method existence if only one input has compareDocumentPosition
1319                 var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1320                 if ( compare ) {
1321                         return compare;
1322                 }
1323
1324                 // Calculate position if both inputs belong to the same document
1325                 compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
1326                         a.compareDocumentPosition( b ) :
1327
1328                         // Otherwise we know they are disconnected
1329                         1;
1330
1331                 // Disconnected nodes
1332                 if ( compare & 1 ||
1333                         (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1334
1335                         // Choose the first element that is related to our preferred document
1336                         if ( a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
1337                                 return -1;
1338                         }
1339                         if ( b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
1340                                 return 1;
1341                         }
1342
1343                         // Maintain original order
1344                         return sortInput ?
1345                                 ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
1346                                 0;
1347                 }
1348
1349                 return compare & 4 ? -1 : 1;
1350         } :
1351         function( a, b ) {
1352                 // Exit early if the nodes are identical
1353                 if ( a === b ) {
1354                         hasDuplicate = true;
1355                         return 0;
1356                 }
1357
1358                 var cur,
1359                         i = 0,
1360                         aup = a.parentNode,
1361                         bup = b.parentNode,
1362                         ap = [ a ],
1363                         bp = [ b ];
1364
1365                 // Parentless nodes are either documents or disconnected
1366                 if ( !aup || !bup ) {
1367                         return a === doc ? -1 :
1368                                 b === doc ? 1 :
1369                                 aup ? -1 :
1370                                 bup ? 1 :
1371                                 sortInput ?
1372                                 ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
1373                                 0;
1374
1375                 // If the nodes are siblings, we can do a quick check
1376                 } else if ( aup === bup ) {
1377                         return siblingCheck( a, b );
1378                 }
1379
1380                 // Otherwise we need full lists of their ancestors for comparison
1381                 cur = a;
1382                 while ( (cur = cur.parentNode) ) {
1383                         ap.unshift( cur );
1384                 }
1385                 cur = b;
1386                 while ( (cur = cur.parentNode) ) {
1387                         bp.unshift( cur );
1388                 }
1389
1390                 // Walk down the tree looking for a discrepancy
1391                 while ( ap[i] === bp[i] ) {
1392                         i++;
1393                 }
1394
1395                 return i ?
1396                         // Do a sibling check if the nodes have a common ancestor
1397                         siblingCheck( ap[i], bp[i] ) :
1398
1399                         // Otherwise nodes in our document sort first
1400                         ap[i] === preferredDoc ? -1 :
1401                         bp[i] === preferredDoc ? 1 :
1402                         0;
1403         };
1404
1405         return doc;
1406 };
1407
1408 Sizzle.matches = function( expr, elements ) {
1409         return Sizzle( expr, null, null, elements );
1410 };
1411
1412 Sizzle.matchesSelector = function( elem, expr ) {
1413         // Set document vars if needed
1414         if ( ( elem.ownerDocument || elem ) !== document ) {
1415                 setDocument( elem );
1416         }
1417
1418         // Make sure that attribute selectors are quoted
1419         expr = expr.replace( rattributeQuotes, "='$1']" );
1420
1421         if ( support.matchesSelector && documentIsHTML &&
1422                 ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1423                 ( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
1424
1425                 try {
1426                         var ret = matches.call( elem, expr );
1427
1428                         // IE 9's matchesSelector returns false on disconnected nodes
1429                         if ( ret || support.disconnectedMatch ||
1430                                         // As well, disconnected nodes are said to be in a document
1431                                         // fragment in IE 9
1432                                         elem.document && elem.document.nodeType !== 11 ) {
1433                                 return ret;
1434                         }
1435                 } catch(e) {}
1436         }
1437
1438         return Sizzle( expr, document, null, [elem] ).length > 0;
1439 };
1440
1441 Sizzle.contains = function( context, elem ) {
1442         // Set document vars if needed
1443         if ( ( context.ownerDocument || context ) !== document ) {
1444                 setDocument( context );
1445         }
1446         return contains( context, elem );
1447 };
1448
1449 Sizzle.attr = function( elem, name ) {
1450         // Set document vars if needed
1451         if ( ( elem.ownerDocument || elem ) !== document ) {
1452                 setDocument( elem );
1453         }
1454
1455         var fn = Expr.attrHandle[ name.toLowerCase() ],
1456                 // Don't get fooled by Object.prototype properties (jQuery #13807)
1457                 val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1458                         fn( elem, name, !documentIsHTML ) :
1459                         undefined;
1460
1461         return val !== undefined ?
1462                 val :
1463                 support.attributes || !documentIsHTML ?
1464                         elem.getAttribute( name ) :
1465                         (val = elem.getAttributeNode(name)) && val.specified ?
1466                                 val.value :
1467                                 null;
1468 };
1469
1470 Sizzle.error = function( msg ) {
1471         throw new Error( "Syntax error, unrecognized expression: " + msg );
1472 };
1473
1474 /**
1475  * Document sorting and removing duplicates
1476  * @param {ArrayLike} results
1477  */
1478 Sizzle.uniqueSort = function( results ) {
1479         var elem,
1480                 duplicates = [],
1481                 j = 0,
1482                 i = 0;
1483
1484         // Unless we *know* we can detect duplicates, assume their presence
1485         hasDuplicate = !support.detectDuplicates;
1486         sortInput = !support.sortStable && results.slice( 0 );
1487         results.sort( sortOrder );
1488
1489         if ( hasDuplicate ) {
1490                 while ( (elem = results[i++]) ) {
1491                         if ( elem === results[ i ] ) {
1492                                 j = duplicates.push( i );
1493                         }
1494                 }
1495                 while ( j-- ) {
1496                         results.splice( duplicates[ j ], 1 );
1497                 }
1498         }
1499
1500         // Clear input after sorting to release objects
1501         // See https://github.com/jquery/sizzle/pull/225
1502         sortInput = null;
1503
1504         return results;
1505 };
1506
1507 /**
1508  * Utility function for retrieving the text value of an array of DOM nodes
1509  * @param {Array|Element} elem
1510  */
1511 getText = Sizzle.getText = function( elem ) {
1512         var node,
1513                 ret = "",
1514                 i = 0,
1515                 nodeType = elem.nodeType;
1516
1517         if ( !nodeType ) {
1518                 // If no nodeType, this is expected to be an array
1519                 while ( (node = elem[i++]) ) {
1520                         // Do not traverse comment nodes
1521                         ret += getText( node );
1522                 }
1523         } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1524                 // Use textContent for elements
1525                 // innerText usage removed for consistency of new lines (jQuery #11153)
1526                 if ( typeof elem.textContent === "string" ) {
1527                         return elem.textContent;
1528                 } else {
1529                         // Traverse its children
1530                         for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1531                                 ret += getText( elem );
1532                         }
1533                 }
1534         } else if ( nodeType === 3 || nodeType === 4 ) {
1535                 return elem.nodeValue;
1536         }
1537         // Do not include comment or processing instruction nodes
1538
1539         return ret;
1540 };
1541
1542 Expr = Sizzle.selectors = {
1543
1544         // Can be adjusted by the user
1545         cacheLength: 50,
1546
1547         createPseudo: markFunction,
1548
1549         match: matchExpr,
1550
1551         attrHandle: {},
1552
1553         find: {},
1554
1555         relative: {
1556                 ">": { dir: "parentNode", first: true },
1557                 " ": { dir: "parentNode" },
1558                 "+": { dir: "previousSibling", first: true },
1559                 "~": { dir: "previousSibling" }
1560         },
1561
1562         preFilter: {
1563                 "ATTR": function( match ) {
1564                         match[1] = match[1].replace( runescape, funescape );
1565
1566                         // Move the given value to match[3] whether quoted or unquoted
1567                         match[3] = ( match[4] || match[5] || "" ).replace( runescape, funescape );
1568
1569                         if ( match[2] === "~=" ) {
1570                                 match[3] = " " + match[3] + " ";
1571                         }
1572
1573                         return match.slice( 0, 4 );
1574                 },
1575
1576                 "CHILD": function( match ) {
1577                         /* matches from matchExpr["CHILD"]
1578                                 1 type (only|nth|...)
1579                                 2 what (child|of-type)
1580                                 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1581                                 4 xn-component of xn+y argument ([+-]?\d*n|)
1582                                 5 sign of xn-component
1583                                 6 x of xn-component
1584                                 7 sign of y-component
1585                                 8 y of y-component
1586                         */
1587                         match[1] = match[1].toLowerCase();
1588
1589                         if ( match[1].slice( 0, 3 ) === "nth" ) {
1590                                 // nth-* requires argument
1591                                 if ( !match[3] ) {
1592                                         Sizzle.error( match[0] );
1593                                 }
1594
1595                                 // numeric x and y parameters for Expr.filter.CHILD
1596                                 // remember that false/true cast respectively to 0/1
1597                                 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
1598                                 match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
1599
1600                         // other types prohibit arguments
1601                         } else if ( match[3] ) {
1602                                 Sizzle.error( match[0] );
1603                         }
1604
1605                         return match;
1606                 },
1607
1608                 "PSEUDO": function( match ) {
1609                         var excess,
1610                                 unquoted = !match[5] && match[2];
1611
1612                         if ( matchExpr["CHILD"].test( match[0] ) ) {
1613                                 return null;
1614                         }
1615
1616                         // Accept quoted arguments as-is
1617                         if ( match[3] && match[4] !== undefined ) {
1618                                 match[2] = match[4];
1619
1620                         // Strip excess characters from unquoted arguments
1621                         } else if ( unquoted && rpseudo.test( unquoted ) &&
1622                                 // Get excess from tokenize (recursively)
1623                                 (excess = tokenize( unquoted, true )) &&
1624                                 // advance to the next closing parenthesis
1625                                 (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
1626
1627                                 // excess is a negative index
1628                                 match[0] = match[0].slice( 0, excess );
1629                                 match[2] = unquoted.slice( 0, excess );
1630                         }
1631
1632                         // Return only captures needed by the pseudo filter method (type and argument)
1633                         return match.slice( 0, 3 );
1634                 }
1635         },
1636
1637         filter: {
1638
1639                 "TAG": function( nodeNameSelector ) {
1640                         var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1641                         return nodeNameSelector === "*" ?
1642                                 function() { return true; } :
1643                                 function( elem ) {
1644                                         return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1645                                 };
1646                 },
1647
1648                 "CLASS": function( className ) {
1649                         var pattern = classCache[ className + " " ];
1650
1651                         return pattern ||
1652                                 (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
1653                                 classCache( className, function( elem ) {
1654                                         return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== strundefined && elem.getAttribute("class") || "" );
1655                                 });
1656                 },
1657
1658                 "ATTR": function( name, operator, check ) {
1659                         return function( elem ) {
1660                                 var result = Sizzle.attr( elem, name );
1661
1662                                 if ( result == null ) {
1663                                         return operator === "!=";
1664                                 }
1665                                 if ( !operator ) {
1666                                         return true;
1667                                 }
1668
1669                                 result += "";
1670
1671                                 return operator === "=" ? result === check :
1672                                         operator === "!=" ? result !== check :
1673                                         operator === "^=" ? check && result.indexOf( check ) === 0 :
1674                                         operator === "*=" ? check && result.indexOf( check ) > -1 :
1675                                         operator === "$=" ? check && result.slice( -check.length ) === check :
1676                                         operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 :
1677                                         operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1678                                         false;
1679                         };
1680                 },
1681
1682                 "CHILD": function( type, what, argument, first, last ) {
1683                         var simple = type.slice( 0, 3 ) !== "nth",
1684                                 forward = type.slice( -4 ) !== "last",
1685                                 ofType = what === "of-type";
1686
1687                         return first === 1 && last === 0 ?
1688
1689                                 // Shortcut for :nth-*(n)
1690                                 function( elem ) {
1691                                         return !!elem.parentNode;
1692                                 } :
1693
1694                                 function( elem, context, xml ) {
1695                                         var cache, outerCache, node, diff, nodeIndex, start,
1696                                                 dir = simple !== forward ? "nextSibling" : "previousSibling",
1697                                                 parent = elem.parentNode,
1698                                                 name = ofType && elem.nodeName.toLowerCase(),
1699                                                 useCache = !xml && !ofType;
1700
1701                                         if ( parent ) {
1702
1703                                                 // :(first|last|only)-(child|of-type)
1704                                                 if ( simple ) {
1705                                                         while ( dir ) {
1706                                                                 node = elem;
1707                                                                 while ( (node = node[ dir ]) ) {
1708                                                                         if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) {
1709                                                                                 return false;
1710                                                                         }
1711                                                                 }
1712                                                                 // Reverse direction for :only-* (if we haven't yet done so)
1713                                                                 start = dir = type === "only" && !start && "nextSibling";
1714                                                         }
1715                                                         return true;
1716                                                 }
1717
1718                                                 start = [ forward ? parent.firstChild : parent.lastChild ];
1719
1720                                                 // non-xml :nth-child(...) stores cache data on `parent`
1721                                                 if ( forward && useCache ) {
1722                                                         // Seek `elem` from a previously-cached index
1723                                                         outerCache = parent[ expando ] || (parent[ expando ] = {});
1724                                                         cache = outerCache[ type ] || [];
1725                                                         nodeIndex = cache[0] === dirruns && cache[1];
1726                                                         diff = cache[0] === dirruns && cache[2];
1727                                                         node = nodeIndex && parent.childNodes[ nodeIndex ];
1728
1729                                                         while ( (node = ++nodeIndex && node && node[ dir ] ||
1730
1731                                                                 // Fallback to seeking `elem` from the start
1732                                                                 (diff = nodeIndex = 0) || start.pop()) ) {
1733
1734                                                                 // When found, cache indexes on `parent` and break
1735                                                                 if ( node.nodeType === 1 && ++diff && node === elem ) {
1736                                                                         outerCache[ type ] = [ dirruns, nodeIndex, diff ];
1737                                                                         break;
1738                                                                 }
1739                                                         }
1740
1741                                                 // Use previously-cached element index if available
1742                                                 } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) {
1743                                                         diff = cache[1];
1744
1745                                                 // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
1746                                                 } else {
1747                                                         // Use the same loop as above to seek `elem` from the start
1748                                                         while ( (node = ++nodeIndex && node && node[ dir ] ||
1749                                                                 (diff = nodeIndex = 0) || start.pop()) ) {
1750
1751                                                                 if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) {
1752                                                                         // Cache the index of each encountered element
1753                                                                         if ( useCache ) {
1754                                                                                 (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ];
1755                                                                         }
1756
1757                                                                         if ( node === elem ) {
1758                                                                                 break;
1759                                                                         }
1760                                                                 }
1761                                                         }
1762                                                 }
1763
1764                                                 // Incorporate the offset, then check against cycle size
1765                                                 diff -= last;
1766                                                 return diff === first || ( diff % first === 0 && diff / first >= 0 );
1767                                         }
1768                                 };
1769                 },
1770
1771                 "PSEUDO": function( pseudo, argument ) {
1772                         // pseudo-class names are case-insensitive
1773                         // http://www.w3.org/TR/selectors/#pseudo-classes
1774                         // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
1775                         // Remember that setFilters inherits from pseudos
1776                         var args,
1777                                 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
1778                                         Sizzle.error( "unsupported pseudo: " + pseudo );
1779
1780                         // The user may use createPseudo to indicate that
1781                         // arguments are needed to create the filter function
1782                         // just as Sizzle does
1783                         if ( fn[ expando ] ) {
1784                                 return fn( argument );
1785                         }
1786
1787                         // But maintain support for old signatures
1788                         if ( fn.length > 1 ) {
1789                                 args = [ pseudo, pseudo, "", argument ];
1790                                 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
1791                                         markFunction(function( seed, matches ) {
1792                                                 var idx,
1793                                                         matched = fn( seed, argument ),
1794                                                         i = matched.length;
1795                                                 while ( i-- ) {
1796                                                         idx = indexOf.call( seed, matched[i] );
1797                                                         seed[ idx ] = !( matches[ idx ] = matched[i] );
1798                                                 }
1799                                         }) :
1800                                         function( elem ) {
1801                                                 return fn( elem, 0, args );
1802                                         };
1803                         }
1804
1805                         return fn;
1806                 }
1807         },
1808
1809         pseudos: {
1810                 // Potentially complex pseudos
1811                 "not": markFunction(function( selector ) {
1812                         // Trim the selector passed to compile
1813                         // to avoid treating leading and trailing
1814                         // spaces as combinators
1815                         var input = [],
1816                                 results = [],
1817                                 matcher = compile( selector.replace( rtrim, "$1" ) );
1818
1819                         return matcher[ expando ] ?
1820                                 markFunction(function( seed, matches, context, xml ) {
1821                                         var elem,
1822                                                 unmatched = matcher( seed, null, xml, [] ),
1823                                                 i = seed.length;
1824
1825                                         // Match elements unmatched by `matcher`
1826                                         while ( i-- ) {
1827                                                 if ( (elem = unmatched[i]) ) {
1828                                                         seed[i] = !(matches[i] = elem);
1829                                                 }
1830                                         }
1831                                 }) :
1832                                 function( elem, context, xml ) {
1833                                         input[0] = elem;
1834                                         matcher( input, null, xml, results );
1835                                         return !results.pop();
1836                                 };
1837                 }),
1838
1839                 "has": markFunction(function( selector ) {
1840                         return function( elem ) {
1841                                 return Sizzle( selector, elem ).length > 0;
1842                         };
1843                 }),
1844
1845                 "contains": markFunction(function( text ) {
1846                         return function( elem ) {
1847                                 return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
1848                         };
1849                 }),
1850
1851                 // "Whether an element is represented by a :lang() selector
1852                 // is based solely on the element's language value
1853                 // being equal to the identifier C,
1854                 // or beginning with the identifier C immediately followed by "-".
1855                 // The matching of C against the element's language value is performed case-insensitively.
1856                 // The identifier C does not have to be a valid language name."
1857                 // http://www.w3.org/TR/selectors/#lang-pseudo
1858                 "lang": markFunction( function( lang ) {
1859                         // lang value must be a valid identifier
1860                         if ( !ridentifier.test(lang || "") ) {
1861                                 Sizzle.error( "unsupported lang: " + lang );
1862                         }
1863                         lang = lang.replace( runescape, funescape ).toLowerCase();
1864                         return function( elem ) {
1865                                 var elemLang;
1866                                 do {
1867                                         if ( (elemLang = documentIsHTML ?
1868                                                 elem.lang :
1869                                                 elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
1870
1871                                                 elemLang = elemLang.toLowerCase();
1872                                                 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
1873                                         }
1874                                 } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
1875                                 return false;
1876                         };
1877                 }),
1878
1879                 // Miscellaneous
1880                 "target": function( elem ) {
1881                         var hash = window.location && window.location.hash;
1882                         return hash && hash.slice( 1 ) === elem.id;
1883                 },
1884
1885                 "root": function( elem ) {
1886                         return elem === docElem;
1887                 },
1888
1889                 "focus": function( elem ) {
1890                         return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
1891                 },
1892
1893                 // Boolean properties
1894                 "enabled": function( elem ) {
1895                         return elem.disabled === false;
1896                 },
1897
1898                 "disabled": function( elem ) {
1899                         return elem.disabled === true;
1900                 },
1901
1902                 "checked": function( elem ) {
1903                         // In CSS3, :checked should return both checked and selected elements
1904                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1905                         var nodeName = elem.nodeName.toLowerCase();
1906                         return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
1907                 },
1908
1909                 "selected": function( elem ) {
1910                         // Accessing this property makes selected-by-default
1911                         // options in Safari work properly
1912                         if ( elem.parentNode ) {
1913                                 elem.parentNode.selectedIndex;
1914                         }
1915
1916                         return elem.selected === true;
1917                 },
1918
1919                 // Contents
1920                 "empty": function( elem ) {
1921                         // http://www.w3.org/TR/selectors/#empty-pseudo
1922                         // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
1923                         //   but not by others (comment: 8; processing instruction: 7; etc.)
1924                         // nodeType < 6 works because attributes (2) do not appear as children
1925                         for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1926                                 if ( elem.nodeType < 6 ) {
1927                                         return false;
1928                                 }
1929                         }
1930                         return true;
1931                 },
1932
1933                 "parent": function( elem ) {
1934                         return !Expr.pseudos["empty"]( elem );
1935                 },
1936
1937                 // Element/input types
1938                 "header": function( elem ) {
1939                         return rheader.test( elem.nodeName );
1940                 },
1941
1942                 "input": function( elem ) {
1943                         return rinputs.test( elem.nodeName );
1944                 },
1945
1946                 "button": function( elem ) {
1947                         var name = elem.nodeName.toLowerCase();
1948                         return name === "input" && elem.type === "button" || name === "button";
1949                 },
1950
1951                 "text": function( elem ) {
1952                         var attr;
1953                         return elem.nodeName.toLowerCase() === "input" &&
1954                                 elem.type === "text" &&
1955
1956                                 // Support: IE<8
1957                                 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
1958                                 ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
1959                 },
1960
1961                 // Position-in-collection
1962                 "first": createPositionalPseudo(function() {
1963                         return [ 0 ];
1964                 }),
1965
1966                 "last": createPositionalPseudo(function( matchIndexes, length ) {
1967                         return [ length - 1 ];
1968                 }),
1969
1970                 "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
1971                         return [ argument < 0 ? argument + length : argument ];
1972                 }),
1973
1974                 "even": createPositionalPseudo(function( matchIndexes, length ) {
1975                         var i = 0;
1976                         for ( ; i < length; i += 2 ) {
1977                                 matchIndexes.push( i );
1978                         }
1979                         return matchIndexes;
1980                 }),
1981
1982                 "odd": createPositionalPseudo(function( matchIndexes, length ) {
1983                         var i = 1;
1984                         for ( ; i < length; i += 2 ) {
1985                                 matchIndexes.push( i );
1986                         }
1987                         return matchIndexes;
1988                 }),
1989
1990                 "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
1991                         var i = argument < 0 ? argument + length : argument;
1992                         for ( ; --i >= 0; ) {
1993                                 matchIndexes.push( i );
1994                         }
1995                         return matchIndexes;
1996                 }),
1997
1998                 "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
1999                         var i = argument < 0 ? argument + length : argument;
2000                         for ( ; ++i < length; ) {
2001                                 matchIndexes.push( i );
2002                         }
2003                         return matchIndexes;
2004                 })
2005         }
2006 };
2007
2008 Expr.pseudos["nth"] = Expr.pseudos["eq"];
2009
2010 // Add button/input type pseudos
2011 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2012         Expr.pseudos[ i ] = createInputPseudo( i );
2013 }
2014 for ( i in { submit: true, reset: true } ) {
2015         Expr.pseudos[ i ] = createButtonPseudo( i );
2016 }
2017
2018 // Easy API for creating new setFilters
2019 function setFilters() {}
2020 setFilters.prototype = Expr.filters = Expr.pseudos;
2021 Expr.setFilters = new setFilters();
2022
2023 function tokenize( selector, parseOnly ) {
2024         var matched, match, tokens, type,
2025                 soFar, groups, preFilters,
2026                 cached = tokenCache[ selector + " " ];
2027
2028         if ( cached ) {
2029                 return parseOnly ? 0 : cached.slice( 0 );
2030         }
2031
2032         soFar = selector;
2033         groups = [];
2034         preFilters = Expr.preFilter;
2035
2036         while ( soFar ) {
2037
2038                 // Comma and first run
2039                 if ( !matched || (match = rcomma.exec( soFar )) ) {
2040                         if ( match ) {
2041                                 // Don't consume trailing commas as valid
2042                                 soFar = soFar.slice( match[0].length ) || soFar;
2043                         }
2044                         groups.push( (tokens = []) );
2045                 }
2046
2047                 matched = false;
2048
2049                 // Combinators
2050                 if ( (match = rcombinators.exec( soFar )) ) {
2051                         matched = match.shift();
2052                         tokens.push({
2053                                 value: matched,
2054                                 // Cast descendant combinators to space
2055                                 type: match[0].replace( rtrim, " " )
2056                         });
2057                         soFar = soFar.slice( matched.length );
2058                 }
2059
2060                 // Filters
2061                 for ( type in Expr.filter ) {
2062                         if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2063                                 (match = preFilters[ type ]( match ))) ) {
2064                                 matched = match.shift();
2065                                 tokens.push({
2066                                         value: matched,
2067                                         type: type,
2068                                         matches: match
2069                                 });
2070                                 soFar = soFar.slice( matched.length );
2071                         }
2072                 }
2073
2074                 if ( !matched ) {
2075                         break;
2076                 }
2077         }
2078
2079         // Return the length of the invalid excess
2080         // if we're just parsing
2081         // Otherwise, throw an error or return tokens
2082         return parseOnly ?
2083                 soFar.length :
2084                 soFar ?
2085                         Sizzle.error( selector ) :
2086                         // Cache the tokens
2087                         tokenCache( selector, groups ).slice( 0 );
2088 }
2089
2090 function toSelector( tokens ) {
2091         var i = 0,
2092                 len = tokens.length,
2093                 selector = "";
2094         for ( ; i < len; i++ ) {
2095                 selector += tokens[i].value;
2096         }
2097         return selector;
2098 }
2099
2100 function addCombinator( matcher, combinator, base ) {
2101         var dir = combinator.dir,
2102                 checkNonElements = base && dir === "parentNode",
2103                 doneName = done++;
2104
2105         return combinator.first ?
2106                 // Check against closest ancestor/preceding element
2107                 function( elem, context, xml ) {
2108                         while ( (elem = elem[ dir ]) ) {
2109                                 if ( elem.nodeType === 1 || checkNonElements ) {
2110                                         return matcher( elem, context, xml );
2111                                 }
2112                         }
2113                 } :
2114
2115                 // Check against all ancestor/preceding elements
2116                 function( elem, context, xml ) {
2117                         var oldCache, outerCache,
2118                                 newCache = [ dirruns, doneName ];
2119
2120                         // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
2121                         if ( xml ) {
2122                                 while ( (elem = elem[ dir ]) ) {
2123                                         if ( elem.nodeType === 1 || checkNonElements ) {
2124                                                 if ( matcher( elem, context, xml ) ) {
2125                                                         return true;
2126                                                 }
2127                                         }
2128                                 }
2129                         } else {
2130                                 while ( (elem = elem[ dir ]) ) {
2131                                         if ( elem.nodeType === 1 || checkNonElements ) {
2132                                                 outerCache = elem[ expando ] || (elem[ expando ] = {});
2133                                                 if ( (oldCache = outerCache[ dir ]) &&
2134                                                         oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2135
2136                                                         // Assign to newCache so results back-propagate to previous elements
2137                                                         return (newCache[ 2 ] = oldCache[ 2 ]);
2138                                                 } else {
2139                                                         // Reuse newcache so results back-propagate to previous elements
2140                                                         outerCache[ dir ] = newCache;
2141
2142                                                         // A match means we're done; a fail means we have to keep checking
2143                                                         if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
2144                                                                 return true;
2145                                                         }
2146                                                 }
2147                                         }
2148                                 }
2149                         }
2150                 };
2151 }
2152
2153 function elementMatcher( matchers ) {
2154         return matchers.length > 1 ?
2155                 function( elem, context, xml ) {
2156                         var i = matchers.length;
2157                         while ( i-- ) {
2158                                 if ( !matchers[i]( elem, context, xml ) ) {
2159                                         return false;
2160                                 }
2161                         }
2162                         return true;
2163                 } :
2164                 matchers[0];
2165 }
2166
2167 function condense( unmatched, map, filter, context, xml ) {
2168         var elem,
2169                 newUnmatched = [],
2170                 i = 0,
2171                 len = unmatched.length,
2172                 mapped = map != null;
2173
2174         for ( ; i < len; i++ ) {
2175                 if ( (elem = unmatched[i]) ) {
2176                         if ( !filter || filter( elem, context, xml ) ) {
2177                                 newUnmatched.push( elem );
2178                                 if ( mapped ) {
2179                                         map.push( i );
2180                                 }
2181                         }
2182                 }
2183         }
2184
2185         return newUnmatched;
2186 }
2187
2188 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2189         if ( postFilter && !postFilter[ expando ] ) {
2190                 postFilter = setMatcher( postFilter );
2191         }
2192         if ( postFinder && !postFinder[ expando ] ) {
2193                 postFinder = setMatcher( postFinder, postSelector );
2194         }
2195         return markFunction(function( seed, results, context, xml ) {
2196                 var temp, i, elem,
2197                         preMap = [],
2198                         postMap = [],
2199                         preexisting = results.length,
2200
2201                         // Get initial elements from seed or context
2202                         elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
2203
2204                         // Prefilter to get matcher input, preserving a map for seed-results synchronization
2205                         matcherIn = preFilter && ( seed || !selector ) ?
2206                                 condense( elems, preMap, preFilter, context, xml ) :
2207                                 elems,
2208
2209                         matcherOut = matcher ?
2210                                 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2211                                 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2212
2213                                         // ...intermediate processing is necessary
2214                                         [] :
2215
2216                                         // ...otherwise use results directly
2217                                         results :
2218                                 matcherIn;
2219
2220                 // Find primary matches
2221                 if ( matcher ) {
2222                         matcher( matcherIn, matcherOut, context, xml );
2223                 }
2224
2225                 // Apply postFilter
2226                 if ( postFilter ) {
2227                         temp = condense( matcherOut, postMap );
2228                         postFilter( temp, [], context, xml );
2229
2230                         // Un-match failing elements by moving them back to matcherIn
2231                         i = temp.length;
2232                         while ( i-- ) {
2233                                 if ( (elem = temp[i]) ) {
2234                                         matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2235                                 }
2236                         }
2237                 }
2238
2239                 if ( seed ) {
2240                         if ( postFinder || preFilter ) {
2241                                 if ( postFinder ) {
2242                                         // Get the final matcherOut by condensing this intermediate into postFinder contexts
2243                                         temp = [];
2244                                         i = matcherOut.length;
2245                                         while ( i-- ) {
2246                                                 if ( (elem = matcherOut[i]) ) {
2247                                                         // Restore matcherIn since elem is not yet a final match
2248                                                         temp.push( (matcherIn[i] = elem) );
2249                                                 }
2250                                         }
2251                                         postFinder( null, (matcherOut = []), temp, xml );
2252                                 }
2253
2254                                 // Move matched elements from seed to results to keep them synchronized
2255                                 i = matcherOut.length;
2256                                 while ( i-- ) {
2257                                         if ( (elem = matcherOut[i]) &&
2258                                                 (temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) {
2259
2260                                                 seed[temp] = !(results[temp] = elem);
2261                                         }
2262                                 }
2263                         }
2264
2265                 // Add elements to results, through postFinder if defined
2266                 } else {
2267                         matcherOut = condense(
2268                                 matcherOut === results ?
2269                                         matcherOut.splice( preexisting, matcherOut.length ) :
2270                                         matcherOut
2271                         );
2272                         if ( postFinder ) {
2273                                 postFinder( null, results, matcherOut, xml );
2274                         } else {
2275                                 push.apply( results, matcherOut );
2276                         }
2277                 }
2278         });
2279 }
2280
2281 function matcherFromTokens( tokens ) {
2282         var checkContext, matcher, j,
2283                 len = tokens.length,
2284                 leadingRelative = Expr.relative[ tokens[0].type ],
2285                 implicitRelative = leadingRelative || Expr.relative[" "],
2286                 i = leadingRelative ? 1 : 0,
2287
2288                 // The foundational matcher ensures that elements are reachable from top-level context(s)
2289                 matchContext = addCombinator( function( elem ) {
2290                         return elem === checkContext;
2291                 }, implicitRelative, true ),
2292                 matchAnyContext = addCombinator( function( elem ) {
2293                         return indexOf.call( checkContext, elem ) > -1;
2294                 }, implicitRelative, true ),
2295                 matchers = [ function( elem, context, xml ) {
2296                         return ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2297                                 (checkContext = context).nodeType ?
2298                                         matchContext( elem, context, xml ) :
2299                                         matchAnyContext( elem, context, xml ) );
2300                 } ];
2301
2302         for ( ; i < len; i++ ) {
2303                 if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2304                         matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2305                 } else {
2306                         matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2307
2308                         // Return special upon seeing a positional matcher
2309                         if ( matcher[ expando ] ) {
2310                                 // Find the next relative operator (if any) for proper handling
2311                                 j = ++i;
2312                                 for ( ; j < len; j++ ) {
2313                                         if ( Expr.relative[ tokens[j].type ] ) {
2314                                                 break;
2315                                         }
2316                                 }
2317                                 return setMatcher(
2318                                         i > 1 && elementMatcher( matchers ),
2319                                         i > 1 && toSelector(
2320                                                 // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2321                                                 tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
2322                                         ).replace( rtrim, "$1" ),
2323                                         matcher,
2324                                         i < j && matcherFromTokens( tokens.slice( i, j ) ),
2325                                         j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2326                                         j < len && toSelector( tokens )
2327                                 );
2328                         }
2329                         matchers.push( matcher );
2330                 }
2331         }
2332
2333         return elementMatcher( matchers );
2334 }
2335
2336 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2337         var bySet = setMatchers.length > 0,
2338                 byElement = elementMatchers.length > 0,
2339                 superMatcher = function( seed, context, xml, results, outermost ) {
2340                         var elem, j, matcher,
2341                                 matchedCount = 0,
2342                                 i = "0",
2343                                 unmatched = seed && [],
2344                                 setMatched = [],
2345                                 contextBackup = outermostContext,
2346                                 // We must always have either seed elements or outermost context
2347                                 elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
2348                                 // Use integer dirruns iff this is the outermost matcher
2349                                 dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
2350                                 len = elems.length;
2351
2352                         if ( outermost ) {
2353                                 outermostContext = context !== document && context;
2354                         }
2355
2356                         // Add elements passing elementMatchers directly to results
2357                         // Keep `i` a string if there are no elements so `matchedCount` will be "00" below
2358                         // Support: IE<9, Safari
2359                         // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2360                         for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
2361                                 if ( byElement && elem ) {
2362                                         j = 0;
2363                                         while ( (matcher = elementMatchers[j++]) ) {
2364                                                 if ( matcher( elem, context, xml ) ) {
2365                                                         results.push( elem );
2366                                                         break;
2367                                                 }
2368                                         }
2369                                         if ( outermost ) {
2370                                                 dirruns = dirrunsUnique;
2371                                         }
2372                                 }
2373
2374                                 // Track unmatched elements for set filters
2375                                 if ( bySet ) {
2376                                         // They will have gone through all possible matchers
2377                                         if ( (elem = !matcher && elem) ) {
2378                                                 matchedCount--;
2379                                         }
2380
2381                                         // Lengthen the array for every element, matched or not
2382                                         if ( seed ) {
2383                                                 unmatched.push( elem );
2384                                         }
2385                                 }
2386                         }
2387
2388                         // Apply set filters to unmatched elements
2389                         matchedCount += i;
2390                         if ( bySet && i !== matchedCount ) {
2391                                 j = 0;
2392                                 while ( (matcher = setMatchers[j++]) ) {
2393                                         matcher( unmatched, setMatched, context, xml );
2394                                 }
2395
2396                                 if ( seed ) {
2397                                         // Reintegrate element matches to eliminate the need for sorting
2398                                         if ( matchedCount > 0 ) {
2399                                                 while ( i-- ) {
2400                                                         if ( !(unmatched[i] || setMatched[i]) ) {
2401                                                                 setMatched[i] = pop.call( results );
2402                                                         }
2403                                                 }
2404                                         }
2405
2406                                         // Discard index placeholder values to get only actual matches
2407                                         setMatched = condense( setMatched );
2408                                 }
2409
2410                                 // Add matches to results
2411                                 push.apply( results, setMatched );
2412
2413                                 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2414                                 if ( outermost && !seed && setMatched.length > 0 &&
2415                                         ( matchedCount + setMatchers.length ) > 1 ) {
2416
2417                                         Sizzle.uniqueSort( results );
2418                                 }
2419                         }
2420
2421                         // Override manipulation of globals by nested matchers
2422                         if ( outermost ) {
2423                                 dirruns = dirrunsUnique;
2424                                 outermostContext = contextBackup;
2425                         }
2426
2427                         return unmatched;
2428                 };
2429
2430         return bySet ?
2431                 markFunction( superMatcher ) :
2432                 superMatcher;
2433 }
2434
2435 compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) {
2436         var i,
2437                 setMatchers = [],
2438                 elementMatchers = [],
2439                 cached = compilerCache[ selector + " " ];
2440
2441         if ( !cached ) {
2442                 // Generate a function of recursive functions that can be used to check each element
2443                 if ( !group ) {
2444                         group = tokenize( selector );
2445                 }
2446                 i = group.length;
2447                 while ( i-- ) {
2448                         cached = matcherFromTokens( group[i] );
2449                         if ( cached[ expando ] ) {
2450                                 setMatchers.push( cached );
2451                         } else {
2452                                 elementMatchers.push( cached );
2453                         }
2454                 }
2455
2456                 // Cache the compiled function
2457                 cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2458         }
2459         return cached;
2460 };
2461
2462 function multipleContexts( selector, contexts, results ) {
2463         var i = 0,
2464                 len = contexts.length;
2465         for ( ; i < len; i++ ) {
2466                 Sizzle( selector, contexts[i], results );
2467         }
2468         return results;
2469 }
2470
2471 function select( selector, context, results, seed ) {
2472         var i, tokens, token, type, find,
2473                 match = tokenize( selector );
2474
2475         if ( !seed ) {
2476                 // Try to minimize operations if there is only one group
2477                 if ( match.length === 1 ) {
2478
2479                         // Take a shortcut and set the context if the root selector is an ID
2480                         tokens = match[0] = match[0].slice( 0 );
2481                         if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
2482                                         support.getById && context.nodeType === 9 && documentIsHTML &&
2483                                         Expr.relative[ tokens[1].type ] ) {
2484
2485                                 context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2486                                 if ( !context ) {
2487                                         return results;
2488                                 }
2489                                 selector = selector.slice( tokens.shift().value.length );
2490                         }
2491
2492                         // Fetch a seed set for right-to-left matching
2493                         i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2494                         while ( i-- ) {
2495                                 token = tokens[i];
2496
2497                                 // Abort if we hit a combinator
2498                                 if ( Expr.relative[ (type = token.type) ] ) {
2499                                         break;
2500                                 }
2501                                 if ( (find = Expr.find[ type ]) ) {
2502                                         // Search, expanding context for leading sibling combinators
2503                                         if ( (seed = find(
2504                                                 token.matches[0].replace( runescape, funescape ),
2505                                                 rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
2506                                         )) ) {
2507
2508                                                 // If seed is empty or no tokens remain, we can return early
2509                                                 tokens.splice( i, 1 );
2510                                                 selector = seed.length && toSelector( tokens );
2511                                                 if ( !selector ) {
2512                                                         push.apply( results, seed );
2513                                                         return results;
2514                                                 }
2515
2516                                                 break;
2517                                         }
2518                                 }
2519                         }
2520                 }
2521         }
2522
2523         // Compile and execute a filtering function
2524         // Provide `match` to avoid retokenization if we modified the selector above
2525         compile( selector, match )(
2526                 seed,
2527                 context,
2528                 !documentIsHTML,
2529                 results,
2530                 rsibling.test( selector ) && testContext( context.parentNode ) || context
2531         );
2532         return results;
2533 }
2534
2535 // One-time assignments
2536
2537 // Sort stability
2538 support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2539
2540 // Support: Chrome<14
2541 // Always assume duplicates if they aren't passed to the comparison function
2542 support.detectDuplicates = !!hasDuplicate;
2543
2544 // Initialize against the default document
2545 setDocument();
2546
2547 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2548 // Detached nodes confoundingly follow *each other*
2549 support.sortDetached = assert(function( div1 ) {
2550         // Should return 1, but returns 4 (following)
2551         return div1.compareDocumentPosition( document.createElement("div") ) & 1;
2552 });
2553
2554 // Support: IE<8
2555 // Prevent attribute/property "interpolation"
2556 // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2557 if ( !assert(function( div ) {
2558         div.innerHTML = "<a href='#'></a>";
2559         return div.firstChild.getAttribute("href") === "#" ;
2560 }) ) {
2561         addHandle( "type|href|height|width", function( elem, name, isXML ) {
2562                 if ( !isXML ) {
2563                         return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2564                 }
2565         });
2566 }
2567
2568 // Support: IE<9
2569 // Use defaultValue in place of getAttribute("value")
2570 if ( !support.attributes || !assert(function( div ) {
2571         div.innerHTML = "<input/>";
2572         div.firstChild.setAttribute( "value", "" );
2573         return div.firstChild.getAttribute( "value" ) === "";
2574 }) ) {
2575         addHandle( "value", function( elem, name, isXML ) {
2576                 if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2577                         return elem.defaultValue;
2578                 }
2579         });
2580 }
2581
2582 // Support: IE<9
2583 // Use getAttributeNode to fetch booleans when getAttribute lies
2584 if ( !assert(function( div ) {
2585         return div.getAttribute("disabled") == null;
2586 }) ) {
2587         addHandle( booleans, function( elem, name, isXML ) {
2588                 var val;
2589                 if ( !isXML ) {
2590                         return elem[ name ] === true ? name.toLowerCase() :
2591                                         (val = elem.getAttributeNode( name )) && val.specified ?
2592                                         val.value :
2593                                 null;
2594                 }
2595         });
2596 }
2597
2598 return Sizzle;
2599
2600 })( window );
2601
2602
2603
2604 jQuery.find = Sizzle;
2605 jQuery.expr = Sizzle.selectors;
2606 jQuery.expr[":"] = jQuery.expr.pseudos;
2607 jQuery.unique = Sizzle.uniqueSort;
2608 jQuery.text = Sizzle.getText;
2609 jQuery.isXMLDoc = Sizzle.isXML;
2610 jQuery.contains = Sizzle.contains;
2611
2612
2613
2614 var rneedsContext = jQuery.expr.match.needsContext;
2615
2616 var rsingleTag = (/^<(\w+)\s*\/?>(?:<\/\1>|)$/);
2617
2618
2619
2620 var risSimple = /^.[^:#\[\.,]*$/;
2621
2622 // Implement the identical functionality for filter and not
2623 function winnow( elements, qualifier, not ) {
2624         if ( jQuery.isFunction( qualifier ) ) {
2625                 return jQuery.grep( elements, function( elem, i ) {
2626                         /* jshint -W018 */
2627                         return !!qualifier.call( elem, i, elem ) !== not;
2628                 });
2629
2630         }
2631
2632         if ( qualifier.nodeType ) {
2633                 return jQuery.grep( elements, function( elem ) {
2634                         return ( elem === qualifier ) !== not;
2635                 });
2636
2637         }
2638
2639         if ( typeof qualifier === "string" ) {
2640                 if ( risSimple.test( qualifier ) ) {
2641                         return jQuery.filter( qualifier, elements, not );
2642                 }
2643
2644                 qualifier = jQuery.filter( qualifier, elements );
2645         }
2646
2647         return jQuery.grep( elements, function( elem ) {
2648                 return ( jQuery.inArray( elem, qualifier ) >= 0 ) !== not;
2649         });
2650 }
2651
2652 jQuery.filter = function( expr, elems, not ) {
2653         var elem = elems[ 0 ];
2654
2655         if ( not ) {
2656                 expr = ":not(" + expr + ")";
2657         }
2658
2659         return elems.length === 1 && elem.nodeType === 1 ?
2660                 jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
2661                 jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
2662                         return elem.nodeType === 1;
2663                 }));
2664 };
2665
2666 jQuery.fn.extend({
2667         find: function( selector ) {
2668                 var i,
2669                         ret = [],
2670                         self = this,
2671                         len = self.length;
2672
2673                 if ( typeof selector !== "string" ) {
2674                         return this.pushStack( jQuery( selector ).filter(function() {
2675                                 for ( i = 0; i < len; i++ ) {
2676                                         if ( jQuery.contains( self[ i ], this ) ) {
2677                                                 return true;
2678                                         }
2679                                 }
2680                         }) );
2681                 }
2682
2683                 for ( i = 0; i < len; i++ ) {
2684                         jQuery.find( selector, self[ i ], ret );
2685                 }
2686
2687                 // Needed because $( selector, context ) becomes $( context ).find( selector )
2688                 ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
2689                 ret.selector = this.selector ? this.selector + " " + selector : selector;
2690                 return ret;
2691         },
2692         filter: function( selector ) {
2693                 return this.pushStack( winnow(this, selector || [], false) );
2694         },
2695         not: function( selector ) {
2696                 return this.pushStack( winnow(this, selector || [], true) );
2697         },
2698         is: function( selector ) {
2699                 return !!winnow(
2700                         this,
2701
2702                         // If this is a positional/relative selector, check membership in the returned set
2703                         // so $("p:first").is("p:last") won't return true for a doc with two "p".
2704                         typeof selector === "string" && rneedsContext.test( selector ) ?
2705                                 jQuery( selector ) :
2706                                 selector || [],
2707                         false
2708                 ).length;
2709         }
2710 });
2711
2712
2713 // Initialize a jQuery object
2714
2715
2716 // A central reference to the root jQuery(document)
2717 var rootjQuery,
2718
2719         // Use the correct document accordingly with window argument (sandbox)
2720         document = window.document,
2721
2722         // A simple way to check for HTML strings
2723         // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
2724         // Strict HTML recognition (#11290: must start with <)
2725         rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
2726
2727         init = jQuery.fn.init = function( selector, context ) {
2728                 var match, elem;
2729
2730                 // HANDLE: $(""), $(null), $(undefined), $(false)
2731                 if ( !selector ) {
2732                         return this;
2733                 }
2734
2735                 // Handle HTML strings
2736                 if ( typeof selector === "string" ) {
2737                         if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
2738                                 // Assume that strings that start and end with <> are HTML and skip the regex check
2739                                 match = [ null, selector, null ];
2740
2741                         } else {
2742                                 match = rquickExpr.exec( selector );
2743                         }
2744
2745                         // Match html or make sure no context is specified for #id
2746                         if ( match && (match[1] || !context) ) {
2747
2748                                 // HANDLE: $(html) -> $(array)
2749                                 if ( match[1] ) {
2750                                         context = context instanceof jQuery ? context[0] : context;
2751
2752                                         // scripts is true for back-compat
2753                                         // Intentionally let the error be thrown if parseHTML is not present
2754                                         jQuery.merge( this, jQuery.parseHTML(
2755                                                 match[1],
2756                                                 context && context.nodeType ? context.ownerDocument || context : document,
2757                                                 true
2758                                         ) );
2759
2760                                         // HANDLE: $(html, props)
2761                                         if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
2762                                                 for ( match in context ) {
2763                                                         // Properties of context are called as methods if possible
2764                                                         if ( jQuery.isFunction( this[ match ] ) ) {
2765                                                                 this[ match ]( context[ match ] );
2766
2767                                                         // ...and otherwise set as attributes
2768                                                         } else {
2769                                                                 this.attr( match, context[ match ] );
2770                                                         }
2771                                                 }
2772                                         }
2773
2774                                         return this;
2775
2776                                 // HANDLE: $(#id)
2777                                 } else {
2778                                         elem = document.getElementById( match[2] );
2779
2780                                         // Check parentNode to catch when Blackberry 4.6 returns
2781                                         // nodes that are no longer in the document #6963
2782                                         if ( elem && elem.parentNode ) {
2783                                                 // Handle the case where IE and Opera return items
2784                                                 // by name instead of ID
2785                                                 if ( elem.id !== match[2] ) {
2786                                                         return rootjQuery.find( selector );
2787                                                 }
2788
2789                                                 // Otherwise, we inject the element directly into the jQuery object
2790                                                 this.length = 1;
2791                                                 this[0] = elem;
2792                                         }
2793
2794                                         this.context = document;
2795                                         this.selector = selector;
2796                                         return this;
2797                                 }
2798
2799                         // HANDLE: $(expr, $(...))
2800                         } else if ( !context || context.jquery ) {
2801                                 return ( context || rootjQuery ).find( selector );
2802
2803                         // HANDLE: $(expr, context)
2804                         // (which is just equivalent to: $(context).find(expr)
2805                         } else {
2806                                 return this.constructor( context ).find( selector );
2807                         }
2808
2809                 // HANDLE: $(DOMElement)
2810                 } else if ( selector.nodeType ) {
2811                         this.context = this[0] = selector;
2812                         this.length = 1;
2813                         return this;
2814
2815                 // HANDLE: $(function)
2816                 // Shortcut for document ready
2817                 } else if ( jQuery.isFunction( selector ) ) {
2818                         return typeof rootjQuery.ready !== "undefined" ?
2819                                 rootjQuery.ready( selector ) :
2820                                 // Execute immediately if ready is not present
2821                                 selector( jQuery );
2822                 }
2823
2824                 if ( selector.selector !== undefined ) {
2825                         this.selector = selector.selector;
2826                         this.context = selector.context;
2827                 }
2828
2829                 return jQuery.makeArray( selector, this );
2830         };
2831
2832 // Give the init function the jQuery prototype for later instantiation
2833 init.prototype = jQuery.fn;
2834
2835 // Initialize central reference
2836 rootjQuery = jQuery( document );
2837
2838
2839 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
2840         // methods guaranteed to produce a unique set when starting from a unique set
2841         guaranteedUnique = {
2842                 children: true,
2843                 contents: true,
2844                 next: true,
2845                 prev: true
2846         };
2847
2848 jQuery.extend({
2849         dir: function( elem, dir, until ) {
2850                 var matched = [],
2851                         cur = elem[ dir ];
2852
2853                 while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
2854                         if ( cur.nodeType === 1 ) {
2855                                 matched.push( cur );
2856                         }
2857                         cur = cur[dir];
2858                 }
2859                 return matched;
2860         },
2861
2862         sibling: function( n, elem ) {
2863                 var r = [];
2864
2865                 for ( ; n; n = n.nextSibling ) {
2866                         if ( n.nodeType === 1 && n !== elem ) {
2867                                 r.push( n );
2868                         }
2869                 }
2870
2871                 return r;
2872         }
2873 });
2874
2875 jQuery.fn.extend({
2876         has: function( target ) {
2877                 var i,
2878                         targets = jQuery( target, this ),
2879                         len = targets.length;
2880
2881                 return this.filter(function() {
2882                         for ( i = 0; i < len; i++ ) {
2883                                 if ( jQuery.contains( this, targets[i] ) ) {
2884                                         return true;
2885                                 }
2886                         }
2887                 });
2888         },
2889
2890         closest: function( selectors, context ) {
2891                 var cur,
2892                         i = 0,
2893                         l = this.length,
2894                         matched = [],
2895                         pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
2896                                 jQuery( selectors, context || this.context ) :
2897                                 0;
2898
2899                 for ( ; i < l; i++ ) {
2900                         for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) {
2901                                 // Always skip document fragments
2902                                 if ( cur.nodeType < 11 && (pos ?
2903                                         pos.index(cur) > -1 :
2904
2905                                         // Don't pass non-elements to Sizzle
2906                                         cur.nodeType === 1 &&
2907                                                 jQuery.find.matchesSelector(cur, selectors)) ) {
2908
2909                                         matched.push( cur );
2910                                         break;
2911                                 }
2912                         }
2913                 }
2914
2915                 return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched );
2916         },
2917
2918         // Determine the position of an element within
2919         // the matched set of elements
2920         index: function( elem ) {
2921
2922                 // No argument, return index in parent
2923                 if ( !elem ) {
2924                         return ( this[0] && this[0].parentNode ) ? this.first().prevAll().length : -1;
2925                 }
2926
2927                 // index in selector
2928                 if ( typeof elem === "string" ) {
2929                         return jQuery.inArray( this[0], jQuery( elem ) );
2930                 }
2931
2932                 // Locate the position of the desired element
2933                 return jQuery.inArray(
2934                         // If it receives a jQuery object, the first element is used
2935                         elem.jquery ? elem[0] : elem, this );
2936         },
2937
2938         add: function( selector, context ) {
2939                 return this.pushStack(
2940                         jQuery.unique(
2941                                 jQuery.merge( this.get(), jQuery( selector, context ) )
2942                         )
2943                 );
2944         },
2945
2946         addBack: function( selector ) {
2947                 return this.add( selector == null ?
2948                         this.prevObject : this.prevObject.filter(selector)
2949                 );
2950         }
2951 });
2952
2953 function sibling( cur, dir ) {
2954         do {
2955                 cur = cur[ dir ];
2956         } while ( cur && cur.nodeType !== 1 );
2957
2958         return cur;
2959 }
2960
2961 jQuery.each({
2962         parent: function( elem ) {
2963                 var parent = elem.parentNode;
2964                 return parent && parent.nodeType !== 11 ? parent : null;
2965         },
2966         parents: function( elem ) {
2967                 return jQuery.dir( elem, "parentNode" );
2968         },
2969         parentsUntil: function( elem, i, until ) {
2970                 return jQuery.dir( elem, "parentNode", until );
2971         },
2972         next: function( elem ) {
2973                 return sibling( elem, "nextSibling" );
2974         },
2975         prev: function( elem ) {
2976                 return sibling( elem, "previousSibling" );
2977         },
2978         nextAll: function( elem ) {
2979                 return jQuery.dir( elem, "nextSibling" );
2980         },
2981         prevAll: function( elem ) {
2982                 return jQuery.dir( elem, "previousSibling" );
2983         },
2984         nextUntil: function( elem, i, until ) {
2985                 return jQuery.dir( elem, "nextSibling", until );
2986         },
2987         prevUntil: function( elem, i, until ) {
2988                 return jQuery.dir( elem, "previousSibling", until );
2989         },
2990         siblings: function( elem ) {
2991                 return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
2992         },
2993         children: function( elem ) {
2994                 return jQuery.sibling( elem.firstChild );
2995         },
2996         contents: function( elem ) {
2997                 return jQuery.nodeName( elem, "iframe" ) ?
2998                         elem.contentDocument || elem.contentWindow.document :
2999                         jQuery.merge( [], elem.childNodes );
3000         }
3001 }, function( name, fn ) {
3002         jQuery.fn[ name ] = function( until, selector ) {
3003                 var ret = jQuery.map( this, fn, until );
3004
3005                 if ( name.slice( -5 ) !== "Until" ) {
3006                         selector = until;
3007                 }
3008
3009                 if ( selector && typeof selector === "string" ) {
3010                         ret = jQuery.filter( selector, ret );
3011                 }
3012
3013                 if ( this.length > 1 ) {
3014                         // Remove duplicates
3015                         if ( !guaranteedUnique[ name ] ) {
3016                                 ret = jQuery.unique( ret );
3017                         }
3018
3019                         // Reverse order for parents* and prev-derivatives
3020                         if ( rparentsprev.test( name ) ) {
3021                                 ret = ret.reverse();
3022                         }
3023                 }
3024
3025                 return this.pushStack( ret );
3026         };
3027 });
3028 var rnotwhite = (/\S+/g);
3029
3030
3031
3032 // String to Object options format cache
3033 var optionsCache = {};
3034
3035 // Convert String-formatted options into Object-formatted ones and store in cache
3036 function createOptions( options ) {
3037         var object = optionsCache[ options ] = {};
3038         jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) {
3039                 object[ flag ] = true;
3040         });
3041         return object;
3042 }
3043
3044 /*
3045  * Create a callback list using the following parameters:
3046  *
3047  *      options: an optional list of space-separated options that will change how
3048  *                      the callback list behaves or a more traditional option object
3049  *
3050  * By default a callback list will act like an event callback list and can be
3051  * "fired" multiple times.
3052  *
3053  * Possible options:
3054  *
3055  *      once:                   will ensure the callback list can only be fired once (like a Deferred)
3056  *
3057  *      memory:                 will keep track of previous values and will call any callback added
3058  *                                      after the list has been fired right away with the latest "memorized"
3059  *                                      values (like a Deferred)
3060  *
3061  *      unique:                 will ensure a callback can only be added once (no duplicate in the list)
3062  *
3063  *      stopOnFalse:    interrupt callings when a callback returns false
3064  *
3065  */
3066 jQuery.Callbacks = function( options ) {
3067
3068         // Convert options from String-formatted to Object-formatted if needed
3069         // (we check in cache first)
3070         options = typeof options === "string" ?
3071                 ( optionsCache[ options ] || createOptions( options ) ) :
3072                 jQuery.extend( {}, options );
3073
3074         var // Flag to know if list is currently firing
3075                 firing,
3076                 // Last fire value (for non-forgettable lists)
3077                 memory,
3078                 // Flag to know if list was already fired
3079                 fired,
3080                 // End of the loop when firing
3081                 firingLength,
3082                 // Index of currently firing callback (modified by remove if needed)
3083                 firingIndex,
3084                 // First callback to fire (used internally by add and fireWith)
3085                 firingStart,
3086                 // Actual callback list
3087                 list = [],
3088                 // Stack of fire calls for repeatable lists
3089                 stack = !options.once && [],
3090                 // Fire callbacks
3091                 fire = function( data ) {
3092                         memory = options.memory && data;
3093                         fired = true;
3094                         firingIndex = firingStart || 0;
3095                         firingStart = 0;
3096                         firingLength = list.length;
3097                         firing = true;
3098                         for ( ; list && firingIndex < firingLength; firingIndex++ ) {
3099                                 if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) {
3100                                         memory = false; // To prevent further calls using add
3101                                         break;
3102                                 }
3103                         }
3104                         firing = false;
3105                         if ( list ) {
3106                                 if ( stack ) {
3107                                         if ( stack.length ) {
3108                                                 fire( stack.shift() );
3109                                         }
3110                                 } else if ( memory ) {
3111                                         list = [];
3112                                 } else {
3113                                         self.disable();
3114                                 }
3115                         }
3116                 },
3117                 // Actual Callbacks object
3118                 self = {
3119                         // Add a callback or a collection of callbacks to the list
3120                         add: function() {
3121                                 if ( list ) {
3122                                         // First, we save the current length
3123                                         var start = list.length;
3124                                         (function add( args ) {
3125                                                 jQuery.each( args, function( _, arg ) {
3126                                                         var type = jQuery.type( arg );
3127                                                         if ( type === "function" ) {
3128                                                                 if ( !options.unique || !self.has( arg ) ) {
3129                                                                         list.push( arg );
3130                                                                 }
3131                                                         } else if ( arg && arg.length && type !== "string" ) {
3132                                                                 // Inspect recursively
3133                                                                 add( arg );
3134                                                         }
3135                                                 });
3136                                         })( arguments );
3137                                         // Do we need to add the callbacks to the
3138                                         // current firing batch?
3139                                         if ( firing ) {
3140                                                 firingLength = list.length;
3141                                         // With memory, if we're not firing then
3142                                         // we should call right away
3143                                         } else if ( memory ) {
3144                                                 firingStart = start;
3145                                                 fire( memory );
3146                                         }
3147                                 }
3148                                 return this;
3149                         },
3150                         // Remove a callback from the list
3151                         remove: function() {
3152                                 if ( list ) {
3153                                         jQuery.each( arguments, function( _, arg ) {
3154                                                 var index;
3155                                                 while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3156                                                         list.splice( index, 1 );
3157                                                         // Handle firing indexes
3158                                                         if ( firing ) {
3159                                                                 if ( index <= firingLength ) {
3160                                                                         firingLength--;
3161                                                                 }
3162                                                                 if ( index <= firingIndex ) {
3163                                                                         firingIndex--;
3164                                                                 }
3165                                                         }
3166                                                 }
3167                                         });
3168                                 }
3169                                 return this;
3170                         },
3171                         // Check if a given callback is in the list.
3172                         // If no argument is given, return whether or not list has callbacks attached.
3173                         has: function( fn ) {
3174                                 return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length );
3175                         },
3176                         // Remove all callbacks from the list
3177                         empty: function() {
3178                                 list = [];
3179                                 firingLength = 0;
3180                                 return this;
3181                         },
3182                         // Have the list do nothing anymore
3183                         disable: function() {
3184                                 list = stack = memory = undefined;
3185                                 return this;
3186                         },
3187                         // Is it disabled?
3188                         disabled: function() {
3189                                 return !list;
3190                         },
3191                         // Lock the list in its current state
3192                         lock: function() {
3193                                 stack = undefined;
3194                                 if ( !memory ) {
3195                                         self.disable();
3196                                 }
3197                                 return this;
3198                         },
3199                         // Is it locked?
3200                         locked: function() {
3201                                 return !stack;
3202                         },
3203                         // Call all callbacks with the given context and arguments
3204                         fireWith: function( context, args ) {
3205                                 if ( list && ( !fired || stack ) ) {
3206                                         args = args || [];
3207                                         args = [ context, args.slice ? args.slice() : args ];
3208                                         if ( firing ) {
3209                                                 stack.push( args );
3210                                         } else {
3211                                                 fire( args );
3212                                         }
3213                                 }
3214                                 return this;
3215                         },
3216                         // Call all the callbacks with the given arguments
3217                         fire: function() {
3218                                 self.fireWith( this, arguments );
3219                                 return this;
3220                         },
3221                         // To know if the callbacks have already been called at least once
3222                         fired: function() {
3223                                 return !!fired;
3224                         }
3225                 };
3226
3227         return self;
3228 };
3229
3230
3231 jQuery.extend({
3232
3233         Deferred: function( func ) {
3234                 var tuples = [
3235                                 // action, add listener, listener list, final state
3236                                 [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ],
3237                                 [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ],
3238                                 [ "notify", "progress", jQuery.Callbacks("memory") ]
3239                         ],
3240                         state = "pending",
3241                         promise = {
3242                                 state: function() {
3243                                         return state;
3244                                 },
3245                                 always: function() {
3246                                         deferred.done( arguments ).fail( arguments );
3247                                         return this;
3248                                 },
3249                                 then: function( /* fnDone, fnFail, fnProgress */ ) {
3250                                         var fns = arguments;
3251                                         return jQuery.Deferred(function( newDefer ) {
3252                                                 jQuery.each( tuples, function( i, tuple ) {
3253                                                         var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
3254                                                         // deferred[ done | fail | progress ] for forwarding actions to newDefer
3255                                                         deferred[ tuple[1] ](function() {
3256                                                                 var returned = fn && fn.apply( this, arguments );
3257                                                                 if ( returned && jQuery.isFunction( returned.promise ) ) {
3258                                                                         returned.promise()
3259                                                                                 .done( newDefer.resolve )
3260                                                                                 .fail( newDefer.reject )
3261                                                                                 .progress( newDefer.notify );
3262                                                                 } else {
3263                                                                         newDefer[ tuple[ 0 ] + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments );
3264                                                                 }
3265                                                         });
3266                                                 });
3267                                                 fns = null;
3268                                         }).promise();
3269                                 },
3270                                 // Get a promise for this deferred
3271                                 // If obj is provided, the promise aspect is added to the object
3272                                 promise: function( obj ) {
3273                                         return obj != null ? jQuery.extend( obj, promise ) : promise;
3274                                 }
3275                         },
3276                         deferred = {};
3277
3278                 // Keep pipe for back-compat
3279                 promise.pipe = promise.then;
3280
3281                 // Add list-specific methods
3282                 jQuery.each( tuples, function( i, tuple ) {
3283                         var list = tuple[ 2 ],
3284                                 stateString = tuple[ 3 ];
3285
3286                         // promise[ done | fail | progress ] = list.add
3287                         promise[ tuple[1] ] = list.add;
3288
3289                         // Handle state
3290                         if ( stateString ) {
3291                                 list.add(function() {
3292                                         // state = [ resolved | rejected ]
3293                                         state = stateString;
3294
3295                                 // [ reject_list | resolve_list ].disable; progress_list.lock
3296                                 }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );
3297                         }
3298
3299                         // deferred[ resolve | reject | notify ]
3300                         deferred[ tuple[0] ] = function() {
3301                                 deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments );
3302                                 return this;
3303                         };
3304                         deferred[ tuple[0] + "With" ] = list.fireWith;
3305                 });
3306
3307                 // Make the deferred a promise
3308                 promise.promise( deferred );
3309
3310                 // Call given func if any
3311                 if ( func ) {
3312                         func.call( deferred, deferred );
3313                 }
3314
3315                 // All done!
3316                 return deferred;
3317         },
3318
3319         // Deferred helper
3320         when: function( subordinate /* , ..., subordinateN */ ) {
3321                 var i = 0,
3322                         resolveValues = slice.call( arguments ),
3323                         length = resolveValues.length,
3324
3325                         // the count of uncompleted subordinates
3326                         remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,
3327
3328                         // the master Deferred. If resolveValues consist of only a single Deferred, just use that.
3329                         deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
3330
3331                         // Update function for both resolve and progress values
3332                         updateFunc = function( i, contexts, values ) {
3333                                 return function( value ) {
3334                                         contexts[ i ] = this;
3335                                         values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
3336                                         if ( values === progressValues ) {
3337                                                 deferred.notifyWith( contexts, values );
3338
3339                                         } else if ( !(--remaining) ) {
3340                                                 deferred.resolveWith( contexts, values );
3341                                         }
3342                                 };
3343                         },
3344
3345                         progressValues, progressContexts, resolveContexts;
3346
3347                 // add listeners to Deferred subordinates; treat others as resolved
3348                 if ( length > 1 ) {
3349                         progressValues = new Array( length );
3350                         progressContexts = new Array( length );
3351                         resolveContexts = new Array( length );
3352                         for ( ; i < length; i++ ) {
3353                                 if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
3354                                         resolveValues[ i ].promise()
3355                                                 .done( updateFunc( i, resolveContexts, resolveValues ) )
3356                                                 .fail( deferred.reject )
3357                                                 .progress( updateFunc( i, progressContexts, progressValues ) );
3358                                 } else {
3359                                         --remaining;
3360                                 }
3361                         }
3362                 }
3363
3364                 // if we're not waiting on anything, resolve the master
3365                 if ( !remaining ) {
3366                         deferred.resolveWith( resolveContexts, resolveValues );
3367                 }
3368
3369                 return deferred.promise();
3370         }
3371 });
3372
3373
3374 // The deferred used on DOM ready
3375 var readyList;
3376
3377 jQuery.fn.ready = function( fn ) {
3378         // Add the callback
3379         jQuery.ready.promise().done( fn );
3380
3381         return this;
3382 };
3383
3384 jQuery.extend({
3385         // Is the DOM ready to be used? Set to true once it occurs.
3386         isReady: false,
3387
3388         // A counter to track how many items to wait for before
3389         // the ready event fires. See #6781
3390         readyWait: 1,
3391
3392         // Hold (or release) the ready event
3393         holdReady: function( hold ) {
3394                 if ( hold ) {
3395                         jQuery.readyWait++;
3396                 } else {
3397                         jQuery.ready( true );
3398                 }
3399         },
3400
3401         // Handle when the DOM is ready
3402         ready: function( wait ) {
3403
3404                 // Abort if there are pending holds or we're already ready
3405                 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
3406                         return;
3407                 }
3408
3409                 // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
3410                 if ( !document.body ) {
3411                         return setTimeout( jQuery.ready );
3412                 }
3413
3414                 // Remember that the DOM is ready
3415                 jQuery.isReady = true;
3416
3417                 // If a normal DOM Ready event fired, decrement, and wait if need be
3418                 if ( wait !== true && --jQuery.readyWait > 0 ) {
3419                         return;
3420                 }
3421
3422                 // If there are functions bound, to execute
3423                 readyList.resolveWith( document, [ jQuery ] );
3424
3425                 // Trigger any bound ready events
3426                 if ( jQuery.fn.trigger ) {
3427                         jQuery( document ).trigger("ready").off("ready");
3428                 }
3429         }
3430 });
3431
3432 /**
3433  * Clean-up method for dom ready events
3434  */
3435 function detach() {
3436         if ( document.addEventListener ) {
3437                 document.removeEventListener( "DOMContentLoaded", completed, false );
3438                 window.removeEventListener( "load", completed, false );
3439
3440         } else {
3441                 document.detachEvent( "onreadystatechange", completed );
3442                 window.detachEvent( "onload", completed );
3443         }
3444 }
3445
3446 /**
3447  * The ready event handler and self cleanup method
3448  */
3449 function completed() {
3450         // readyState === "complete" is good enough for us to call the dom ready in oldIE
3451         if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) {
3452                 detach();
3453                 jQuery.ready();
3454         }
3455 }
3456
3457 jQuery.ready.promise = function( obj ) {
3458         if ( !readyList ) {
3459
3460                 readyList = jQuery.Deferred();
3461
3462                 // Catch cases where $(document).ready() is called after the browser event has already occurred.
3463                 // we once tried to use readyState "interactive" here, but it caused issues like the one
3464                 // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
3465                 if ( document.readyState === "complete" ) {
3466                         // Handle it asynchronously to allow scripts the opportunity to delay ready
3467                         setTimeout( jQuery.ready );
3468
3469                 // Standards-based browsers support DOMContentLoaded
3470                 } else if ( document.addEventListener ) {
3471                         // Use the handy event callback
3472                         document.addEventListener( "DOMContentLoaded", completed, false );
3473
3474                         // A fallback to window.onload, that will always work
3475                         window.addEventListener( "load", completed, false );
3476
3477                 // If IE event model is used
3478                 } else {
3479                         // Ensure firing before onload, maybe late but safe also for iframes
3480                         document.attachEvent( "onreadystatechange", completed );
3481
3482                         // A fallback to window.onload, that will always work
3483                         window.attachEvent( "onload", completed );
3484
3485                         // If IE and not a frame
3486                         // continually check to see if the document is ready
3487                         var top = false;
3488
3489                         try {
3490                                 top = window.frameElement == null && document.documentElement;
3491                         } catch(e) {}
3492
3493                         if ( top && top.doScroll ) {
3494                                 (function doScrollCheck() {
3495                                         if ( !jQuery.isReady ) {
3496
3497                                                 try {
3498                                                         // Use the trick by Diego Perini
3499                                                         // http://javascript.nwbox.com/IEContentLoaded/
3500                                                         top.doScroll("left");
3501                                                 } catch(e) {
3502                                                         return setTimeout( doScrollCheck, 50 );
3503                                                 }
3504
3505                                                 // detach all dom ready events
3506                                                 detach();
3507
3508                                                 // and execute any waiting functions
3509                                                 jQuery.ready();
3510                                         }
3511                                 })();
3512                         }
3513                 }
3514         }
3515         return readyList.promise( obj );
3516 };
3517
3518
3519 var strundefined = typeof undefined;
3520
3521
3522
3523 // Support: IE<9
3524 // Iteration over object's inherited properties before its own
3525 var i;
3526 for ( i in jQuery( support ) ) {
3527         break;
3528 }
3529 support.ownLast = i !== "0";
3530
3531 // Note: most support tests are defined in their respective modules.
3532 // false until the test is run
3533 support.inlineBlockNeedsLayout = false;
3534
3535 jQuery(function() {
3536         // We need to execute this one support test ASAP because we need to know
3537         // if body.style.zoom needs to be set.
3538
3539         var container, div,
3540                 body = document.getElementsByTagName("body")[0];
3541
3542         if ( !body ) {
3543                 // Return for frameset docs that don't have a body
3544                 return;
3545         }
3546
3547         // Setup
3548         container = document.createElement( "div" );
3549         container.style.cssText = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px";
3550
3551         div = document.createElement( "div" );
3552         body.appendChild( container ).appendChild( div );
3553
3554         if ( typeof div.style.zoom !== strundefined ) {
3555                 // Support: IE<8
3556                 // Check if natively block-level elements act like inline-block
3557                 // elements when setting their display to 'inline' and giving
3558                 // them layout
3559                 div.style.cssText = "border:0;margin:0;width:1px;padding:1px;display:inline;zoom:1";
3560
3561                 if ( (support.inlineBlockNeedsLayout = ( div.offsetWidth === 3 )) ) {
3562                         // Prevent IE 6 from affecting layout for positioned elements #11048
3563                         // Prevent IE from shrinking the body in IE 7 mode #12869
3564                         // Support: IE<8
3565                         body.style.zoom = 1;
3566                 }
3567         }
3568
3569         body.removeChild( container );
3570
3571         // Null elements to avoid leaks in IE
3572         container = div = null;
3573 });
3574
3575
3576
3577
3578 (function() {
3579         var div = document.createElement( "div" );
3580
3581         // Execute the test only if not already executed in another module.
3582         if (support.deleteExpando == null) {
3583                 // Support: IE<9
3584                 support.deleteExpando = true;
3585                 try {
3586                         delete div.test;
3587                 } catch( e ) {
3588                         support.deleteExpando = false;
3589                 }
3590         }
3591
3592         // Null elements to avoid leaks in IE.
3593         div = null;
3594 })();
3595
3596
3597 /**
3598  * Determines whether an object can have data
3599  */
3600 jQuery.acceptData = function( elem ) {
3601         var noData = jQuery.noData[ (elem.nodeName + " ").toLowerCase() ],
3602                 nodeType = +elem.nodeType || 1;
3603
3604         // Do not set data on non-element DOM nodes because it will not be cleared (#8335).
3605         return nodeType !== 1 && nodeType !== 9 ?
3606                 false :
3607
3608                 // Nodes accept data unless otherwise specified; rejection can be conditional
3609                 !noData || noData !== true && elem.getAttribute("classid") === noData;
3610 };
3611
3612
3613 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
3614         rmultiDash = /([A-Z])/g;
3615
3616 function dataAttr( elem, key, data ) {
3617         // If nothing was found internally, try to fetch any
3618         // data from the HTML5 data-* attribute
3619         if ( data === undefined && elem.nodeType === 1 ) {
3620
3621                 var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
3622
3623                 data = elem.getAttribute( name );
3624
3625                 if ( typeof data === "string" ) {
3626                         try {
3627                                 data = data === "true" ? true :
3628                                         data === "false" ? false :
3629                                         data === "null" ? null :
3630                                         // Only convert to a number if it doesn't change the string
3631                                         +data + "" === data ? +data :
3632                                         rbrace.test( data ) ? jQuery.parseJSON( data ) :
3633                                         data;
3634                         } catch( e ) {}
3635
3636                         // Make sure we set the data so it isn't changed later
3637                         jQuery.data( elem, key, data );
3638
3639                 } else {
3640                         data = undefined;
3641                 }
3642         }
3643
3644         return data;
3645 }
3646
3647 // checks a cache object for emptiness
3648 function isEmptyDataObject( obj ) {
3649         var name;
3650         for ( name in obj ) {
3651
3652                 // if the public data object is empty, the private is still empty
3653                 if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) {
3654                         continue;
3655                 }
3656                 if ( name !== "toJSON" ) {
3657                         return false;
3658                 }
3659         }
3660
3661         return true;
3662 }
3663
3664 function internalData( elem, name, data, pvt /* Internal Use Only */ ) {
3665         if ( !jQuery.acceptData( elem ) ) {
3666                 return;
3667         }
3668
3669         var ret, thisCache,
3670                 internalKey = jQuery.expando,
3671
3672                 // We have to handle DOM nodes and JS objects differently because IE6-7
3673                 // can't GC object references properly across the DOM-JS boundary
3674                 isNode = elem.nodeType,
3675
3676                 // Only DOM nodes need the global jQuery cache; JS object data is
3677                 // attached directly to the object so GC can occur automatically
3678                 cache = isNode ? jQuery.cache : elem,
3679
3680                 // Only defining an ID for JS objects if its cache already exists allows
3681                 // the code to shortcut on the same path as a DOM node with no cache
3682                 id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;
3683
3684         // Avoid doing any more work than we need to when trying to get data on an
3685         // object that has no data at all
3686         if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && data === undefined && typeof name === "string" ) {
3687                 return;
3688         }
3689
3690         if ( !id ) {
3691                 // Only DOM nodes need a new unique ID for each element since their data
3692                 // ends up in the global cache
3693                 if ( isNode ) {
3694                         id = elem[ internalKey ] = deletedIds.pop() || jQuery.guid++;
3695                 } else {
3696                         id = internalKey;
3697                 }
3698         }
3699
3700         if ( !cache[ id ] ) {
3701                 // Avoid exposing jQuery metadata on plain JS objects when the object
3702                 // is serialized using JSON.stringify
3703                 cache[ id ] = isNode ? {} : { toJSON: jQuery.noop };
3704         }
3705
3706         // An object can be passed to jQuery.data instead of a key/value pair; this gets
3707         // shallow copied over onto the existing cache
3708         if ( typeof name === "object" || typeof name === "function" ) {
3709                 if ( pvt ) {
3710                         cache[ id ] = jQuery.extend( cache[ id ], name );
3711                 } else {
3712                         cache[ id ].data = jQuery.extend( cache[ id ].data, name );
3713                 }
3714         }
3715
3716         thisCache = cache[ id ];
3717
3718         // jQuery data() is stored in a separate object inside the object's internal data
3719         // cache in order to avoid key collisions between internal data and user-defined
3720         // data.
3721         if ( !pvt ) {
3722                 if ( !thisCache.data ) {
3723                         thisCache.data = {};
3724                 }
3725
3726                 thisCache = thisCache.data;
3727         }
3728
3729         if ( data !== undefined ) {
3730                 thisCache[ jQuery.camelCase( name ) ] = data;
3731         }
3732
3733         // Check for both converted-to-camel and non-converted data property names
3734         // If a data property was specified
3735         if ( typeof name === "string" ) {
3736
3737                 // First Try to find as-is property data
3738                 ret = thisCache[ name ];
3739
3740                 // Test for null|undefined property data
3741                 if ( ret == null ) {
3742
3743                         // Try to find the camelCased property
3744                         ret = thisCache[ jQuery.camelCase( name ) ];
3745                 }
3746         } else {
3747                 ret = thisCache;
3748         }
3749
3750         return ret;
3751 }
3752
3753 function internalRemoveData( elem, name, pvt ) {
3754         if ( !jQuery.acceptData( elem ) ) {
3755                 return;
3756         }
3757
3758         var thisCache, i,
3759                 isNode = elem.nodeType,
3760
3761                 // See jQuery.data for more information
3762                 cache = isNode ? jQuery.cache : elem,
3763                 id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
3764
3765         // If there is already no cache entry for this object, there is no
3766         // purpose in continuing
3767         if ( !cache[ id ] ) {
3768                 return;
3769         }
3770
3771         if ( name ) {
3772
3773                 thisCache = pvt ? cache[ id ] : cache[ id ].data;
3774
3775                 if ( thisCache ) {
3776
3777                         // Support array or space separated string names for data keys
3778                         if ( !jQuery.isArray( name ) ) {
3779
3780                                 // try the string as a key before any manipulation
3781                                 if ( name in thisCache ) {
3782                                         name = [ name ];
3783                                 } else {
3784
3785                                         // split the camel cased version by spaces unless a key with the spaces exists
3786                                         name = jQuery.camelCase( name );
3787                                         if ( name in thisCache ) {
3788                                                 name = [ name ];
3789                                         } else {
3790                                                 name = name.split(" ");
3791                                         }
3792                                 }
3793                         } else {
3794                                 // If "name" is an array of keys...
3795                                 // When data is initially created, via ("key", "val") signature,
3796                                 // keys will be converted to camelCase.
3797                                 // Since there is no way to tell _how_ a key was added, remove
3798                                 // both plain key and camelCase key. #12786
3799                                 // This will only penalize the array argument path.
3800                                 name = name.concat( jQuery.map( name, jQuery.camelCase ) );
3801                         }
3802
3803                         i = name.length;
3804                         while ( i-- ) {
3805                                 delete thisCache[ name[i] ];
3806                         }
3807
3808                         // If there is no data left in the cache, we want to continue
3809                         // and let the cache object itself get destroyed
3810                         if ( pvt ? !isEmptyDataObject(thisCache) : !jQuery.isEmptyObject(thisCache) ) {
3811                                 return;
3812                         }
3813                 }
3814         }
3815
3816         // See jQuery.data for more information
3817         if ( !pvt ) {
3818                 delete cache[ id ].data;
3819
3820                 // Don't destroy the parent cache unless the internal data object
3821                 // had been the only thing left in it
3822                 if ( !isEmptyDataObject( cache[ id ] ) ) {
3823                         return;
3824                 }
3825         }
3826
3827         // Destroy the cache
3828         if ( isNode ) {
3829                 jQuery.cleanData( [ elem ], true );
3830
3831         // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
3832         /* jshint eqeqeq: false */
3833         } else if ( support.deleteExpando || cache != cache.window ) {
3834                 /* jshint eqeqeq: true */
3835                 delete cache[ id ];
3836
3837         // When all else fails, null
3838         } else {
3839                 cache[ id ] = null;
3840         }
3841 }
3842
3843 jQuery.extend({
3844         cache: {},
3845
3846         // The following elements (space-suffixed to avoid Object.prototype collisions)
3847         // throw uncatchable exceptions if you attempt to set expando properties
3848         noData: {
3849                 "applet ": true,
3850                 "embed ": true,
3851                 // ...but Flash objects (which have this classid) *can* handle expandos
3852                 "object ": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
3853         },
3854
3855         hasData: function( elem ) {
3856                 elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
3857                 return !!elem && !isEmptyDataObject( elem );
3858         },
3859
3860         data: function( elem, name, data ) {
3861                 return internalData( elem, name, data );
3862         },
3863
3864         removeData: function( elem, name ) {
3865                 return internalRemoveData( elem, name );
3866         },
3867
3868         // For internal use only.
3869         _data: function( elem, name, data ) {
3870                 return internalData( elem, name, data, true );
3871         },
3872
3873         _removeData: function( elem, name ) {
3874                 return internalRemoveData( elem, name, true );
3875         }
3876 });
3877
3878 jQuery.fn.extend({
3879         data: function( key, value ) {
3880                 var i, name, data,
3881                         elem = this[0],
3882                         attrs = elem && elem.attributes;
3883
3884                 // Special expections of .data basically thwart jQuery.access,
3885                 // so implement the relevant behavior ourselves
3886
3887                 // Gets all values
3888                 if ( key === undefined ) {
3889                         if ( this.length ) {
3890                                 data = jQuery.data( elem );
3891
3892                                 if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) {
3893                                         i = attrs.length;
3894                                         while ( i-- ) {
3895                                                 name = attrs[i].name;
3896
3897                                                 if ( name.indexOf("data-") === 0 ) {
3898                                                         name = jQuery.camelCase( name.slice(5) );
3899
3900                                                         dataAttr( elem, name, data[ name ] );
3901                                                 }
3902                                         }
3903                                         jQuery._data( elem, "parsedAttrs", true );
3904                                 }
3905                         }
3906
3907                         return data;
3908                 }
3909
3910                 // Sets multiple values
3911                 if ( typeof key === "object" ) {
3912                         return this.each(function() {
3913                                 jQuery.data( this, key );
3914                         });
3915                 }
3916
3917                 return arguments.length > 1 ?
3918
3919                         // Sets one value
3920                         this.each(function() {
3921                                 jQuery.data( this, key, value );
3922                         }) :
3923
3924                         // Gets one value
3925                         // Try to fetch any internally stored data first
3926                         elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : undefined;
3927         },
3928
3929         removeData: function( key ) {
3930                 return this.each(function() {
3931                         jQuery.removeData( this, key );
3932                 });
3933         }
3934 });
3935
3936
3937 jQuery.extend({
3938         queue: function( elem, type, data ) {
3939                 var queue;
3940
3941                 if ( elem ) {
3942                         type = ( type || "fx" ) + "queue";
3943                         queue = jQuery._data( elem, type );
3944
3945                         // Speed up dequeue by getting out quickly if this is just a lookup
3946                         if ( data ) {
3947                                 if ( !queue || jQuery.isArray(data) ) {
3948                                         queue = jQuery._data( elem, type, jQuery.makeArray(data) );
3949                                 } else {
3950                                         queue.push( data );
3951                                 }
3952                         }
3953                         return queue || [];
3954                 }
3955         },
3956
3957         dequeue: function( elem, type ) {
3958                 type = type || "fx";
3959
3960                 var queue = jQuery.queue( elem, type ),
3961                         startLength = queue.length,
3962                         fn = queue.shift(),
3963                         hooks = jQuery._queueHooks( elem, type ),
3964                         next = function() {
3965                                 jQuery.dequeue( elem, type );
3966                         };
3967
3968                 // If the fx queue is dequeued, always remove the progress sentinel
3969                 if ( fn === "inprogress" ) {
3970                         fn = queue.shift();
3971                         startLength--;
3972                 }
3973
3974                 if ( fn ) {
3975
3976                         // Add a progress sentinel to prevent the fx queue from being
3977                         // automatically dequeued
3978                         if ( type === "fx" ) {
3979                                 queue.unshift( "inprogress" );
3980                         }
3981
3982                         // clear up the last queue stop function
3983                         delete hooks.stop;
3984                         fn.call( elem, next, hooks );
3985                 }
3986
3987                 if ( !startLength && hooks ) {
3988                         hooks.empty.fire();
3989                 }
3990         },
3991
3992         // not intended for public consumption - generates a queueHooks object, or returns the current one
3993         _queueHooks: function( elem, type ) {
3994                 var key = type + "queueHooks";
3995                 return jQuery._data( elem, key ) || jQuery._data( elem, key, {
3996                         empty: jQuery.Callbacks("once memory").add(function() {
3997                                 jQuery._removeData( elem, type + "queue" );
3998                                 jQuery._removeData( elem, key );
3999                         })
4000                 });
4001         }
4002 });
4003
4004 jQuery.fn.extend({
4005         queue: function( type, data ) {
4006                 var setter = 2;
4007
4008                 if ( typeof type !== "string" ) {
4009                         data = type;
4010                         type = "fx";
4011                         setter--;
4012                 }
4013
4014                 if ( arguments.length < setter ) {
4015                         return jQuery.queue( this[0], type );
4016                 }
4017
4018                 return data === undefined ?
4019                         this :
4020                         this.each(function() {
4021                                 var queue = jQuery.queue( this, type, data );
4022
4023                                 // ensure a hooks for this queue
4024                                 jQuery._queueHooks( this, type );
4025
4026                                 if ( type === "fx" && queue[0] !== "inprogress" ) {
4027                                         jQuery.dequeue( this, type );
4028                                 }
4029                         });
4030         },
4031         dequeue: function( type ) {
4032                 return this.each(function() {
4033                         jQuery.dequeue( this, type );
4034                 });
4035         },
4036         clearQueue: function( type ) {
4037                 return this.queue( type || "fx", [] );
4038         },
4039         // Get a promise resolved when queues of a certain type
4040         // are emptied (fx is the type by default)
4041         promise: function( type, obj ) {
4042                 var tmp,
4043                         count = 1,
4044                         defer = jQuery.Deferred(),
4045                         elements = this,
4046                         i = this.length,
4047                         resolve = function() {
4048                                 if ( !( --count ) ) {
4049                                         defer.resolveWith( elements, [ elements ] );
4050                                 }
4051                         };
4052
4053                 if ( typeof type !== "string" ) {
4054                         obj = type;
4055                         type = undefined;
4056                 }
4057                 type = type || "fx";
4058
4059                 while ( i-- ) {
4060                         tmp = jQuery._data( elements[ i ], type + "queueHooks" );
4061                         if ( tmp && tmp.empty ) {
4062                                 count++;
4063                                 tmp.empty.add( resolve );
4064                         }
4065                 }
4066                 resolve();
4067                 return defer.promise( obj );
4068         }
4069 });
4070 var pnum = (/[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/).source;
4071
4072 var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4073
4074 var isHidden = function( elem, el ) {
4075                 // isHidden might be called from jQuery#filter function;
4076                 // in that case, element will be second argument
4077                 elem = el || elem;
4078                 return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
4079         };
4080
4081
4082
4083 // Multifunctional method to get and set values of a collection
4084 // The value/s can optionally be executed if it's a function
4085 var access = jQuery.access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
4086         var i = 0,
4087                 length = elems.length,
4088                 bulk = key == null;
4089
4090         // Sets many values
4091         if ( jQuery.type( key ) === "object" ) {
4092                 chainable = true;
4093                 for ( i in key ) {
4094                         jQuery.access( elems, fn, i, key[i], true, emptyGet, raw );
4095                 }
4096
4097         // Sets one value
4098         } else if ( value !== undefined ) {
4099                 chainable = true;
4100
4101                 if ( !jQuery.isFunction( value ) ) {
4102                         raw = true;
4103                 }
4104
4105                 if ( bulk ) {
4106                         // Bulk operations run against the entire set
4107                         if ( raw ) {
4108                                 fn.call( elems, value );
4109                                 fn = null;
4110
4111                         // ...except when executing function values
4112                         } else {
4113                                 bulk = fn;
4114                                 fn = function( elem, key, value ) {
4115                                         return bulk.call( jQuery( elem ), value );
4116                                 };
4117                         }
4118                 }
4119
4120                 if ( fn ) {
4121                         for ( ; i < length; i++ ) {
4122                                 fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) );
4123                         }
4124                 }
4125         }
4126
4127         return chainable ?
4128                 elems :
4129
4130                 // Gets
4131                 bulk ?
4132                         fn.call( elems ) :
4133                         length ? fn( elems[0], key ) : emptyGet;
4134 };
4135 var rcheckableType = (/^(?:checkbox|radio)$/i);
4136
4137
4138
4139 (function() {
4140         var fragment = document.createDocumentFragment(),
4141                 div = document.createElement("div"),
4142                 input = document.createElement("input");
4143
4144         // Setup
4145         div.setAttribute( "className", "t" );
4146         div.innerHTML = "  <link/><table></table><a href='/a'>a</a>";
4147
4148         // IE strips leading whitespace when .innerHTML is used
4149         support.leadingWhitespace = div.firstChild.nodeType === 3;
4150
4151         // Make sure that tbody elements aren't automatically inserted
4152         // IE will insert them into empty tables
4153         support.tbody = !div.getElementsByTagName( "tbody" ).length;
4154
4155         // Make sure that link elements get serialized correctly by innerHTML
4156         // This requires a wrapper element in IE
4157         support.htmlSerialize = !!div.getElementsByTagName( "link" ).length;
4158
4159         // Makes sure cloning an html5 element does not cause problems
4160         // Where outerHTML is undefined, this still works
4161         support.html5Clone =
4162                 document.createElement( "nav" ).cloneNode( true ).outerHTML !== "<:nav></:nav>";
4163
4164         // Check if a disconnected checkbox will retain its checked
4165         // value of true after appended to the DOM (IE6/7)
4166         input.type = "checkbox";
4167         input.checked = true;
4168         fragment.appendChild( input );
4169         support.appendChecked = input.checked;
4170
4171         // Make sure textarea (and checkbox) defaultValue is properly cloned
4172         // Support: IE6-IE11+
4173         div.innerHTML = "<textarea>x</textarea>";
4174         support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4175
4176         // #11217 - WebKit loses check when the name is after the checked attribute
4177         fragment.appendChild( div );
4178         div.innerHTML = "<input type='radio' checked='checked' name='t'/>";
4179
4180         // Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3
4181         // old WebKit doesn't clone checked state correctly in fragments
4182         support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4183
4184         // Support: IE<9
4185         // Opera does not clone events (and typeof div.attachEvent === undefined).
4186         // IE9-10 clones events bound via attachEvent, but they don't trigger with .click()
4187         support.noCloneEvent = true;
4188         if ( div.attachEvent ) {
4189                 div.attachEvent( "onclick", function() {
4190                         support.noCloneEvent = false;
4191                 });
4192
4193                 div.cloneNode( true ).click();
4194         }
4195
4196         // Execute the test only if not already executed in another module.
4197         if (support.deleteExpando == null) {
4198                 // Support: IE<9
4199                 support.deleteExpando = true;
4200                 try {
4201                         delete div.test;
4202                 } catch( e ) {
4203                         support.deleteExpando = false;
4204                 }
4205         }
4206
4207         // Null elements to avoid leaks in IE.
4208         fragment = div = input = null;
4209 })();
4210
4211
4212 (function() {
4213         var i, eventName,
4214                 div = document.createElement( "div" );
4215
4216         // Support: IE<9 (lack submit/change bubble), Firefox 23+ (lack focusin event)
4217         for ( i in { submit: true, change: true, focusin: true }) {
4218                 eventName = "on" + i;
4219
4220                 if ( !(support[ i + "Bubbles" ] = eventName in window) ) {
4221                         // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP)
4222                         div.setAttribute( eventName, "t" );
4223                         support[ i + "Bubbles" ] = div.attributes[ eventName ].expando === false;
4224                 }
4225         }
4226
4227         // Null elements to avoid leaks in IE.
4228         div = null;
4229 })();
4230
4231
4232 var rformElems = /^(?:input|select|textarea)$/i,
4233         rkeyEvent = /^key/,
4234         rmouseEvent = /^(?:mouse|contextmenu)|click/,
4235         rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
4236         rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;
4237
4238 function returnTrue() {
4239         return true;
4240 }
4241
4242 function returnFalse() {
4243         return false;
4244 }
4245
4246 function safeActiveElement() {
4247         try {
4248                 return document.activeElement;
4249         } catch ( err ) { }
4250 }
4251
4252 /*
4253  * Helper functions for managing events -- not part of the public interface.
4254  * Props to Dean Edwards' addEvent library for many of the ideas.
4255  */
4256 jQuery.event = {
4257
4258         global: {},
4259
4260         add: function( elem, types, handler, data, selector ) {
4261                 var tmp, events, t, handleObjIn,
4262                         special, eventHandle, handleObj,
4263                         handlers, type, namespaces, origType,
4264                         elemData = jQuery._data( elem );
4265
4266                 // Don't attach events to noData or text/comment nodes (but allow plain objects)
4267                 if ( !elemData ) {
4268                         return;
4269                 }
4270
4271                 // Caller can pass in an object of custom data in lieu of the handler
4272                 if ( handler.handler ) {
4273                         handleObjIn = handler;
4274                         handler = handleObjIn.handler;
4275                         selector = handleObjIn.selector;
4276                 }
4277
4278                 // Make sure that the handler has a unique ID, used to find/remove it later
4279                 if ( !handler.guid ) {
4280                         handler.guid = jQuery.guid++;
4281                 }
4282
4283                 // Init the element's event structure and main handler, if this is the first
4284                 if ( !(events = elemData.events) ) {
4285                         events = elemData.events = {};
4286                 }
4287                 if ( !(eventHandle = elemData.handle) ) {
4288                         eventHandle = elemData.handle = function( e ) {
4289                                 // Discard the second event of a jQuery.event.trigger() and
4290                                 // when an event is called after a page has unloaded
4291                                 return typeof jQuery !== strundefined && (!e || jQuery.event.triggered !== e.type) ?
4292                                         jQuery.event.dispatch.apply( eventHandle.elem, arguments ) :
4293                                         undefined;
4294                         };
4295                         // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
4296                         eventHandle.elem = elem;
4297                 }
4298
4299                 // Handle multiple events separated by a space
4300                 types = ( types || "" ).match( rnotwhite ) || [ "" ];
4301                 t = types.length;
4302                 while ( t-- ) {
4303                         tmp = rtypenamespace.exec( types[t] ) || [];
4304                         type = origType = tmp[1];
4305                         namespaces = ( tmp[2] || "" ).split( "." ).sort();
4306
4307                         // There *must* be a type, no attaching namespace-only handlers
4308                         if ( !type ) {
4309                                 continue;
4310                         }
4311
4312                         // If event changes its type, use the special event handlers for the changed type
4313                         special = jQuery.event.special[ type ] || {};
4314
4315                         // If selector defined, determine special event api type, otherwise given type
4316                         type = ( selector ? special.delegateType : special.bindType ) || type;
4317
4318                         // Update special based on newly reset type
4319                         special = jQuery.event.special[ type ] || {};
4320
4321                         // handleObj is passed to all event handlers
4322                         handleObj = jQuery.extend({
4323                                 type: type,
4324                                 origType: origType,
4325                                 data: data,
4326                                 handler: handler,
4327                                 guid: handler.guid,
4328                                 selector: selector,
4329                                 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
4330                                 namespace: namespaces.join(".")
4331                         }, handleObjIn );
4332
4333                         // Init the event handler queue if we're the first
4334                         if ( !(handlers = events[ type ]) ) {
4335                                 handlers = events[ type ] = [];
4336                                 handlers.delegateCount = 0;
4337
4338                                 // Only use addEventListener/attachEvent if the special events handler returns false
4339                                 if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
4340                                         // Bind the global event handler to the element
4341                                         if ( elem.addEventListener ) {
4342                                                 elem.addEventListener( type, eventHandle, false );
4343
4344                                         } else if ( elem.attachEvent ) {
4345                                                 elem.attachEvent( "on" + type, eventHandle );
4346                                         }
4347                                 }
4348                         }
4349
4350                         if ( special.add ) {
4351                                 special.add.call( elem, handleObj );
4352
4353                                 if ( !handleObj.handler.guid ) {
4354                                         handleObj.handler.guid = handler.guid;
4355                                 }
4356                         }
4357
4358                         // Add to the element's handler list, delegates in front
4359                         if ( selector ) {
4360                                 handlers.splice( handlers.delegateCount++, 0, handleObj );
4361                         } else {
4362                                 handlers.push( handleObj );
4363                         }
4364
4365                         // Keep track of which events have ever been used, for event optimization
4366                         jQuery.event.global[ type ] = true;
4367                 }
4368
4369                 // Nullify elem to prevent memory leaks in IE
4370                 elem = null;
4371         },
4372
4373         // Detach an event or set of events from an element
4374         remove: function( elem, types, handler, selector, mappedTypes ) {
4375                 var j, handleObj, tmp,
4376                         origCount, t, events,
4377                         special, handlers, type,
4378                         namespaces, origType,
4379                         elemData = jQuery.hasData( elem ) && jQuery._data( elem );
4380
4381                 if ( !elemData || !(events = elemData.events) ) {
4382                         return;
4383                 }
4384
4385                 // Once for each type.namespace in types; type may be omitted
4386                 types = ( types || "" ).match( rnotwhite ) || [ "" ];
4387                 t = types.length;
4388                 while ( t-- ) {
4389                         tmp = rtypenamespace.exec( types[t] ) || [];
4390                         type = origType = tmp[1];
4391                         namespaces = ( tmp[2] || "" ).split( "." ).sort();
4392
4393                         // Unbind all events (on this namespace, if provided) for the element
4394                         if ( !type ) {
4395                                 for ( type in events ) {
4396                                         jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
4397                                 }
4398                                 continue;
4399                         }
4400
4401                         special = jQuery.event.special[ type ] || {};
4402                         type = ( selector ? special.delegateType : special.bindType ) || type;
4403                         handlers = events[ type ] || [];
4404                         tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );
4405
4406                         // Remove matching events
4407                         origCount = j = handlers.length;
4408                         while ( j-- ) {
4409                                 handleObj = handlers[ j ];
4410
4411                                 if ( ( mappedTypes || origType === handleObj.origType ) &&
4412                                         ( !handler || handler.guid === handleObj.guid ) &&
4413                                         ( !tmp || tmp.test( handleObj.namespace ) ) &&
4414                                         ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) {
4415                                         handlers.splice( j, 1 );
4416
4417                                         if ( handleObj.selector ) {
4418                                                 handlers.delegateCount--;
4419                                         }
4420                                         if ( special.remove ) {
4421                                                 special.remove.call( elem, handleObj );
4422                                         }
4423                                 }
4424                         }
4425
4426                         // Remove generic event handler if we removed something and no more handlers exist
4427                         // (avoids potential for endless recursion during removal of special event handlers)
4428                         if ( origCount && !handlers.length ) {
4429                                 if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
4430                                         jQuery.removeEvent( elem, type, elemData.handle );
4431                                 }
4432
4433                                 delete events[ type ];
4434                         }
4435                 }
4436
4437                 // Remove the expando if it's no longer used
4438                 if ( jQuery.isEmptyObject( events ) ) {
4439                         delete elemData.handle;
4440
4441                         // removeData also checks for emptiness and clears the expando if empty
4442                         // so use it instead of delete
4443                         jQuery._removeData( elem, "events" );
4444                 }
4445         },
4446
4447         trigger: function( event, data, elem, onlyHandlers ) {
4448                 var handle, ontype, cur,
4449                         bubbleType, special, tmp, i,
4450                         eventPath = [ elem || document ],
4451                         type = hasOwn.call( event, "type" ) ? event.type : event,
4452                         namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];
4453
4454                 cur = tmp = elem = elem || document;
4455
4456                 // Don't do events on text and comment nodes
4457                 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
4458                         return;
4459                 }
4460
4461                 // focus/blur morphs to focusin/out; ensure we're not firing them right now
4462                 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
4463                         return;
4464                 }
4465
4466                 if ( type.indexOf(".") >= 0 ) {
4467                         // Namespaced trigger; create a regexp to match event type in handle()
4468                         namespaces = type.split(".");
4469                         type = namespaces.shift();
4470                         namespaces.sort();
4471                 }
4472                 ontype = type.indexOf(":") < 0 && "on" + type;
4473
4474                 // Caller can pass in a jQuery.Event object, Object, or just an event type string
4475                 event = event[ jQuery.expando ] ?
4476                         event :
4477                         new jQuery.Event( type, typeof event === "object" && event );
4478
4479                 // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
4480                 event.isTrigger = onlyHandlers ? 2 : 3;
4481                 event.namespace = namespaces.join(".");
4482                 event.namespace_re = event.namespace ?
4483                         new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) :
4484                         null;
4485
4486                 // Clean up the event in case it is being reused
4487                 event.result = undefined;
4488                 if ( !event.target ) {
4489                         event.target = elem;
4490                 }
4491
4492                 // Clone any incoming data and prepend the event, creating the handler arg list
4493                 data = data == null ?
4494                         [ event ] :
4495                         jQuery.makeArray( data, [ event ] );
4496
4497                 // Allow special events to draw outside the lines
4498                 special = jQuery.event.special[ type ] || {};
4499                 if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
4500                         return;
4501                 }
4502
4503                 // Determine event propagation path in advance, per W3C events spec (#9951)
4504                 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
4505                 if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
4506
4507                         bubbleType = special.delegateType || type;
4508                         if ( !rfocusMorph.test( bubbleType + type ) ) {
4509                                 cur = cur.parentNode;
4510                         }
4511                         for ( ; cur; cur = cur.parentNode ) {
4512                                 eventPath.push( cur );
4513                                 tmp = cur;
4514                         }
4515
4516                         // Only add window if we got to document (e.g., not plain obj or detached DOM)
4517                         if ( tmp === (elem.ownerDocument || document) ) {
4518                                 eventPath.push( tmp.defaultView || tmp.parentWindow || window );
4519                         }
4520                 }
4521
4522                 // Fire handlers on the event path
4523                 i = 0;
4524                 while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) {
4525
4526                         event.type = i > 1 ?
4527                                 bubbleType :
4528                                 special.bindType || type;
4529
4530                         // jQuery handler
4531                         handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" );
4532                         if ( handle ) {
4533                                 handle.apply( cur, data );
4534                         }
4535
4536                         // Native handler
4537                         handle = ontype && cur[ ontype ];
4538                         if ( handle && handle.apply && jQuery.acceptData( cur ) ) {
4539                                 event.result = handle.apply( cur, data );
4540                                 if ( event.result === false ) {
4541                                         event.preventDefault();
4542                                 }
4543                         }
4544                 }
4545                 event.type = type;
4546
4547                 // If nobody prevented the default action, do it now
4548                 if ( !onlyHandlers && !event.isDefaultPrevented() ) {
4549
4550                         if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) &&
4551                                 jQuery.acceptData( elem ) ) {
4552
4553                                 // Call a native DOM method on the target with the same name name as the event.
4554                                 // Can't use an .isFunction() check here because IE6/7 fails that test.
4555                                 // Don't do default actions on window, that's where global variables be (#6170)
4556                                 if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) {
4557
4558                                         // Don't re-trigger an onFOO event when we call its FOO() method
4559                                         tmp = elem[ ontype ];
4560
4561                                         if ( tmp ) {
4562                                                 elem[ ontype ] = null;
4563                                         }
4564
4565                                         // Prevent re-triggering of the same event, since we already bubbled it above
4566                                         jQuery.event.triggered = type;
4567                                         try {
4568                                                 elem[ type ]();
4569                                         } catch ( e ) {
4570                                                 // IE<9 dies on focus/blur to hidden element (#1486,#12518)
4571                                                 // only reproducible on winXP IE8 native, not IE9 in IE8 mode
4572                                         }
4573                                         jQuery.event.triggered = undefined;
4574
4575                                         if ( tmp ) {
4576                                                 elem[ ontype ] = tmp;
4577                                         }
4578                                 }
4579                         }
4580                 }
4581
4582                 return event.result;
4583         },
4584
4585         dispatch: function( event ) {
4586
4587                 // Make a writable jQuery.Event from the native event object
4588                 event = jQuery.event.fix( event );
4589
4590                 var i, ret, handleObj, matched, j,
4591                         handlerQueue = [],
4592                         args = slice.call( arguments ),
4593                         handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [],
4594                         special = jQuery.event.special[ event.type ] || {};
4595
4596                 // Use the fix-ed jQuery.Event rather than the (read-only) native event
4597                 args[0] = event;
4598                 event.delegateTarget = this;
4599
4600                 // Call the preDispatch hook for the mapped type, and let it bail if desired
4601                 if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
4602                         return;
4603                 }
4604
4605                 // Determine handlers
4606                 handlerQueue = jQuery.event.handlers.call( this, event, handlers );
4607
4608                 // Run delegates first; they may want to stop propagation beneath us
4609                 i = 0;
4610                 while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) {
4611                         event.currentTarget = matched.elem;
4612
4613                         j = 0;
4614                         while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) {
4615
4616                                 // Triggered event must either 1) have no namespace, or
4617                                 // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
4618                                 if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {
4619
4620                                         event.handleObj = handleObj;
4621                                         event.data = handleObj.data;
4622
4623                                         ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler )
4624                                                         .apply( matched.elem, args );
4625
4626                                         if ( ret !== undefined ) {
4627                                                 if ( (event.result = ret) === false ) {
4628                                                         event.preventDefault();
4629                                                         event.stopPropagation();
4630                                                 }
4631                                         }
4632                                 }
4633                         }
4634                 }
4635
4636                 // Call the postDispatch hook for the mapped type
4637                 if ( special.postDispatch ) {
4638                         special.postDispatch.call( this, event );
4639                 }
4640
4641                 return event.result;
4642         },
4643
4644         handlers: function( event, handlers ) {
4645                 var sel, handleObj, matches, i,
4646                         handlerQueue = [],
4647                         delegateCount = handlers.delegateCount,
4648                         cur = event.target;
4649
4650                 // Find delegate handlers
4651                 // Black-hole SVG <use> instance trees (#13180)
4652                 // Avoid non-left-click bubbling in Firefox (#3861)
4653                 if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) {
4654
4655                         /* jshint eqeqeq: false */
4656                         for ( ; cur != this; cur = cur.parentNode || this ) {
4657                                 /* jshint eqeqeq: true */
4658
4659                                 // Don't check non-elements (#13208)
4660                                 // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
4661                                 if ( cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click") ) {
4662                                         matches = [];
4663                                         for ( i = 0; i < delegateCount; i++ ) {
4664                                                 handleObj = handlers[ i ];
4665
4666                                                 // Don't conflict with Object.prototype properties (#13203)
4667                                                 sel = handleObj.selector + " ";
4668
4669                                                 if ( matches[ sel ] === undefined ) {
4670                                                         matches[ sel ] = handleObj.needsContext ?
4671                                                                 jQuery( sel, this ).index( cur ) >= 0 :
4672                                                                 jQuery.find( sel, this, null, [ cur ] ).length;
4673                                                 }
4674                                                 if ( matches[ sel ] ) {
4675                                                         matches.push( handleObj );
4676                                                 }
4677                                         }
4678                                         if ( matches.length ) {
4679                                                 handlerQueue.push({ elem: cur, handlers: matches });
4680                                         }
4681                                 }
4682                         }
4683                 }
4684
4685                 // Add the remaining (directly-bound) handlers
4686                 if ( delegateCount < handlers.length ) {
4687                         handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) });
4688                 }
4689
4690                 return handlerQueue;
4691         },
4692
4693         fix: function( event ) {
4694                 if ( event[ jQuery.expando ] ) {
4695                         return event;
4696                 }
4697
4698                 // Create a writable copy of the event object and normalize some properties
4699                 var i, prop, copy,
4700                         type = event.type,
4701                         originalEvent = event,
4702                         fixHook = this.fixHooks[ type ];
4703
4704                 if ( !fixHook ) {
4705                         this.fixHooks[ type ] = fixHook =
4706                                 rmouseEvent.test( type ) ? this.mouseHooks :
4707                                 rkeyEvent.test( type ) ? this.keyHooks :
4708                                 {};
4709                 }
4710                 copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
4711
4712                 event = new jQuery.Event( originalEvent );
4713
4714                 i = copy.length;
4715                 while ( i-- ) {
4716                         prop = copy[ i ];
4717                         event[ prop ] = originalEvent[ prop ];
4718                 }
4719
4720                 // Support: IE<9
4721                 // Fix target property (#1925)
4722                 if ( !event.target ) {
4723                         event.target = originalEvent.srcElement || document;
4724                 }
4725
4726                 // Support: Chrome 23+, Safari?
4727                 // Target should not be a text node (#504, #13143)
4728                 if ( event.target.nodeType === 3 ) {
4729                         event.target = event.target.parentNode;
4730                 }
4731
4732                 // Support: IE<9
4733                 // For mouse/key events, metaKey==false if it's undefined (#3368, #11328)
4734                 event.metaKey = !!event.metaKey;
4735
4736                 return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
4737         },
4738
4739         // Includes some event props shared by KeyEvent and MouseEvent
4740         props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),
4741
4742         fixHooks: {},
4743
4744         keyHooks: {
4745                 props: "char charCode key keyCode".split(" "),
4746                 filter: function( event, original ) {
4747
4748                         // Add which for key events
4749                         if ( event.which == null ) {
4750                                 event.which = original.charCode != null ? original.charCode : original.keyCode;
4751                         }
4752
4753                         return event;
4754                 }
4755         },
4756
4757         mouseHooks: {
4758                 props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
4759                 filter: function( event, original ) {
4760                         var body, eventDoc, doc,
4761                                 button = original.button,
4762                                 fromElement = original.fromElement;
4763
4764                         // Calculate pageX/Y if missing and clientX/Y available
4765                         if ( event.pageX == null && original.clientX != null ) {
4766                                 eventDoc = event.target.ownerDocument || document;
4767                                 doc = eventDoc.documentElement;
4768                                 body = eventDoc.body;
4769
4770                                 event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 );
4771                                 event.pageY = original.clientY + ( doc && doc.scrollTop  || body && body.scrollTop  || 0 ) - ( doc && doc.clientTop  || body && body.clientTop  || 0 );
4772                         }
4773
4774                         // Add relatedTarget, if necessary
4775                         if ( !event.relatedTarget && fromElement ) {
4776                                 event.relatedTarget = fromElement === event.target ? original.toElement : fromElement;
4777                         }
4778
4779                         // Add which for click: 1 === left; 2 === middle; 3 === right
4780                         // Note: button is not normalized, so don't use it
4781                         if ( !event.which && button !== undefined ) {
4782                                 event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
4783                         }
4784
4785                         return event;
4786                 }
4787         },
4788
4789         special: {
4790                 load: {
4791                         // Prevent triggered image.load events from bubbling to window.load
4792                         noBubble: true
4793                 },
4794                 focus: {
4795                         // Fire native event if possible so blur/focus sequence is correct
4796                         trigger: function() {
4797                                 if ( this !== safeActiveElement() && this.focus ) {
4798                                         try {
4799                                                 this.focus();
4800                                                 return false;
4801                                         } catch ( e ) {
4802                                                 // Support: IE<9
4803                                                 // If we error on focus to hidden element (#1486, #12518),
4804                                                 // let .trigger() run the handlers
4805                                         }
4806                                 }
4807                         },
4808                         delegateType: "focusin"
4809                 },
4810                 blur: {
4811                         trigger: function() {
4812                                 if ( this === safeActiveElement() && this.blur ) {
4813                                         this.blur();
4814                                         return false;
4815                                 }
4816                         },
4817                         delegateType: "focusout"
4818                 },
4819                 click: {
4820                         // For checkbox, fire native event so checked state will be right
4821                         trigger: function() {
4822                                 if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) {
4823                                         this.click();
4824                                         return false;
4825                                 }
4826                         },
4827
4828                         // For cross-browser consistency, don't fire native .click() on links
4829                         _default: function( event ) {
4830                                 return jQuery.nodeName( event.target, "a" );
4831                         }
4832                 },
4833
4834                 beforeunload: {
4835                         postDispatch: function( event ) {
4836
4837                                 // Even when returnValue equals to undefined Firefox will still show alert
4838                                 if ( event.result !== undefined ) {
4839                                         event.originalEvent.returnValue = event.result;
4840                                 }
4841                         }
4842                 }
4843         },
4844
4845         simulate: function( type, elem, event, bubble ) {
4846                 // Piggyback on a donor event to simulate a different one.
4847                 // Fake originalEvent to avoid donor's stopPropagation, but if the
4848                 // simulated event prevents default then we do the same on the donor.
4849                 var e = jQuery.extend(
4850                         new jQuery.Event(),
4851                         event,
4852                         {
4853                                 type: type,
4854                                 isSimulated: true,
4855                                 originalEvent: {}
4856                         }
4857                 );
4858                 if ( bubble ) {
4859                         jQuery.event.trigger( e, null, elem );
4860                 } else {
4861                         jQuery.event.dispatch.call( elem, e );
4862                 }
4863                 if ( e.isDefaultPrevented() ) {
4864                         event.preventDefault();
4865                 }
4866         }
4867 };
4868
4869 jQuery.removeEvent = document.removeEventListener ?
4870         function( elem, type, handle ) {
4871                 if ( elem.removeEventListener ) {
4872                         elem.removeEventListener( type, handle, false );
4873                 }
4874         } :
4875         function( elem, type, handle ) {
4876                 var name = "on" + type;
4877
4878                 if ( elem.detachEvent ) {
4879
4880                         // #8545, #7054, preventing memory leaks for custom events in IE6-8
4881                         // detachEvent needed property on element, by name of that event, to properly expose it to GC
4882                         if ( typeof elem[ name ] === strundefined ) {
4883                                 elem[ name ] = null;
4884                         }
4885
4886                         elem.detachEvent( name, handle );
4887                 }
4888         };
4889
4890 jQuery.Event = function( src, props ) {
4891         // Allow instantiation without the 'new' keyword
4892         if ( !(this instanceof jQuery.Event) ) {
4893                 return new jQuery.Event( src, props );
4894         }
4895
4896         // Event object
4897         if ( src && src.type ) {
4898                 this.originalEvent = src;
4899                 this.type = src.type;
4900
4901                 // Events bubbling up the document may have been marked as prevented
4902                 // by a handler lower down the tree; reflect the correct value.
4903                 this.isDefaultPrevented = src.defaultPrevented ||
4904                                 src.defaultPrevented === undefined && (
4905                                 // Support: IE < 9
4906                                 src.returnValue === false ||
4907                                 // Support: Android < 4.0
4908                                 src.getPreventDefault && src.getPreventDefault() ) ?
4909                         returnTrue :
4910                         returnFalse;
4911
4912         // Event type
4913         } else {
4914                 this.type = src;
4915         }
4916
4917         // Put explicitly provided properties onto the event object
4918         if ( props ) {
4919                 jQuery.extend( this, props );
4920         }
4921
4922         // Create a timestamp if incoming event doesn't have one
4923         this.timeStamp = src && src.timeStamp || jQuery.now();
4924
4925         // Mark it as fixed
4926         this[ jQuery.expando ] = true;
4927 };
4928
4929 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
4930 // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
4931 jQuery.Event.prototype = {
4932         isDefaultPrevented: returnFalse,
4933         isPropagationStopped: returnFalse,
4934         isImmediatePropagationStopped: returnFalse,
4935
4936         preventDefault: function() {
4937                 var e = this.originalEvent;
4938
4939                 this.isDefaultPrevented = returnTrue;
4940                 if ( !e ) {
4941                         return;
4942                 }
4943
4944                 // If preventDefault exists, run it on the original event
4945                 if ( e.preventDefault ) {
4946                         e.preventDefault();
4947
4948                 // Support: IE
4949                 // Otherwise set the returnValue property of the original event to false
4950                 } else {
4951                         e.returnValue = false;
4952                 }
4953         },
4954         stopPropagation: function() {
4955                 var e = this.originalEvent;
4956
4957                 this.isPropagationStopped = returnTrue;
4958                 if ( !e ) {
4959                         return;
4960                 }
4961                 // If stopPropagation exists, run it on the original event
4962                 if ( e.stopPropagation ) {
4963                         e.stopPropagation();
4964                 }
4965
4966                 // Support: IE
4967                 // Set the cancelBubble property of the original event to true
4968                 e.cancelBubble = true;
4969         },
4970         stopImmediatePropagation: function() {
4971                 this.isImmediatePropagationStopped = returnTrue;
4972                 this.stopPropagation();
4973         }
4974 };
4975
4976 // Create mouseenter/leave events using mouseover/out and event-time checks
4977 jQuery.each({
4978         mouseenter: "mouseover",
4979         mouseleave: "mouseout"
4980 }, function( orig, fix ) {
4981         jQuery.event.special[ orig ] = {
4982                 delegateType: fix,
4983                 bindType: fix,
4984
4985                 handle: function( event ) {
4986                         var ret,
4987                                 target = this,
4988                                 related = event.relatedTarget,
4989                                 handleObj = event.handleObj;
4990
4991                         // For mousenter/leave call the handler if related is outside the target.
4992                         // NB: No relatedTarget if the mouse left/entered the browser window
4993                         if ( !related || (related !== target && !jQuery.contains( target, related )) ) {
4994                                 event.type = handleObj.origType;
4995                                 ret = handleObj.handler.apply( this, arguments );
4996                                 event.type = fix;
4997                         }
4998                         return ret;
4999                 }
5000         };
5001 });
5002
5003 // IE submit delegation
5004 if ( !support.submitBubbles ) {
5005
5006         jQuery.event.special.submit = {
5007                 setup: function() {
5008                         // Only need this for delegated form submit events
5009                         if ( jQuery.nodeName( this, "form" ) ) {
5010                                 return false;
5011                         }
5012
5013                         // Lazy-add a submit handler when a descendant form may potentially be submitted
5014                         jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
5015                                 // Node name check avoids a VML-related crash in IE (#9807)
5016                                 var elem = e.target,
5017                                         form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined;
5018                                 if ( form && !jQuery._data( form, "submitBubbles" ) ) {
5019                                         jQuery.event.add( form, "submit._submit", function( event ) {
5020                                                 event._submit_bubble = true;
5021                                         });
5022                                         jQuery._data( form, "submitBubbles", true );
5023                                 }
5024                         });
5025                         // return undefined since we don't need an event listener
5026                 },
5027
5028                 postDispatch: function( event ) {
5029                         // If form was submitted by the user, bubble the event up the tree
5030                         if ( event._submit_bubble ) {
5031                                 delete event._submit_bubble;
5032                                 if ( this.parentNode && !event.isTrigger ) {
5033                                         jQuery.event.simulate( "submit", this.parentNode, event, true );
5034                                 }
5035                         }
5036                 },
5037
5038                 teardown: function() {
5039                         // Only need this for delegated form submit events
5040                         if ( jQuery.nodeName( this, "form" ) ) {
5041                                 return false;
5042                         }
5043
5044                         // Remove delegated handlers; cleanData eventually reaps submit handlers attached above
5045                         jQuery.event.remove( this, "._submit" );
5046                 }
5047         };
5048 }
5049
5050 // IE change delegation and checkbox/radio fix
5051 if ( !support.changeBubbles ) {
5052
5053         jQuery.event.special.change = {
5054
5055                 setup: function() {
5056
5057                         if ( rformElems.test( this.nodeName ) ) {
5058                                 // IE doesn't fire change on a check/radio until blur; trigger it on click
5059                                 // after a propertychange. Eat the blur-change in special.change.handle.
5060                                 // This still fires onchange a second time for check/radio after blur.
5061                                 if ( this.type === "checkbox" || this.type === "radio" ) {
5062                                         jQuery.event.add( this, "propertychange._change", function( event ) {
5063                                                 if ( event.originalEvent.propertyName === "checked" ) {
5064                                                         this._just_changed = true;
5065                                                 }
5066                                         });
5067                                         jQuery.event.add( this, "click._change", function( event ) {
5068                                                 if ( this._just_changed && !event.isTrigger ) {
5069                                                         this._just_changed = false;
5070                                                 }
5071                                                 // Allow triggered, simulated change events (#11500)
5072                                                 jQuery.event.simulate( "change", this, event, true );
5073                                         });
5074                                 }
5075                                 return false;
5076                         }
5077                         // Delegated event; lazy-add a change handler on descendant inputs
5078                         jQuery.event.add( this, "beforeactivate._change", function( e ) {
5079                                 var elem = e.target;
5080
5081                                 if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "changeBubbles" ) ) {
5082                                         jQuery.event.add( elem, "change._change", function( event ) {
5083                                                 if ( this.parentNode && !event.isSimulated && !event.isTrigger ) {
5084                                                         jQuery.event.simulate( "change", this.parentNode, event, true );
5085                                                 }
5086                                         });
5087                                         jQuery._data( elem, "changeBubbles", true );
5088                                 }
5089                         });
5090                 },
5091
5092                 handle: function( event ) {
5093                         var elem = event.target;
5094
5095                         // Swallow native change events from checkbox/radio, we already triggered them above
5096                         if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) {
5097                                 return event.handleObj.handler.apply( this, arguments );
5098                         }
5099                 },
5100
5101                 teardown: function() {
5102                         jQuery.event.remove( this, "._change" );
5103
5104                         return !rformElems.test( this.nodeName );
5105                 }
5106         };
5107 }
5108
5109 // Create "bubbling" focus and blur events
5110 if ( !support.focusinBubbles ) {
5111         jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
5112
5113                 // Attach a single capturing handler on the document while someone wants focusin/focusout
5114                 var handler = function( event ) {
5115                                 jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
5116                         };
5117
5118                 jQuery.event.special[ fix ] = {
5119                         setup: function() {
5120                                 var doc = this.ownerDocument || this,
5121                                         attaches = jQuery._data( doc, fix );
5122
5123                                 if ( !attaches ) {
5124                                         doc.addEventListener( orig, handler, true );
5125                                 }
5126                                 jQuery._data( doc, fix, ( attaches || 0 ) + 1 );
5127                         },
5128                         teardown: function() {
5129                                 var doc = this.ownerDocument || this,
5130                                         attaches = jQuery._data( doc, fix ) - 1;
5131
5132                                 if ( !attaches ) {
5133                                         doc.removeEventListener( orig, handler, true );
5134                                         jQuery._removeData( doc, fix );
5135                                 } else {
5136                                         jQuery._data( doc, fix, attaches );
5137                                 }
5138                         }
5139                 };
5140         });
5141 }
5142
5143 jQuery.fn.extend({
5144
5145         on: function( types, selector, data, fn, /*INTERNAL*/ one ) {
5146                 var type, origFn;
5147
5148                 // Types can be a map of types/handlers
5149                 if ( typeof types === "object" ) {
5150                         // ( types-Object, selector, data )
5151                         if ( typeof selector !== "string" ) {
5152                                 // ( types-Object, data )
5153                                 data = data || selector;
5154                                 selector = undefined;
5155                         }
5156                         for ( type in types ) {
5157                                 this.on( type, selector, data, types[ type ], one );
5158                         }
5159                         return this;
5160                 }
5161
5162                 if ( data == null && fn == null ) {
5163                         // ( types, fn )
5164                         fn = selector;
5165                         data = selector = undefined;
5166                 } else if ( fn == null ) {
5167                         if ( typeof selector === "string" ) {
5168                                 // ( types, selector, fn )
5169                                 fn = data;
5170                                 data = undefined;
5171                         } else {
5172                                 // ( types, data, fn )
5173                                 fn = data;
5174                                 data = selector;
5175                                 selector = undefined;
5176                         }
5177                 }
5178                 if ( fn === false ) {
5179                         fn = returnFalse;
5180                 } else if ( !fn ) {
5181                         return this;
5182                 }
5183
5184                 if ( one === 1 ) {
5185                         origFn = fn;
5186                         fn = function( event ) {
5187                                 // Can use an empty set, since event contains the info
5188                                 jQuery().off( event );
5189                                 return origFn.apply( this, arguments );
5190                         };
5191                         // Use same guid so caller can remove using origFn
5192                         fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
5193                 }
5194                 return this.each( function() {
5195                         jQuery.event.add( this, types, fn, data, selector );
5196                 });
5197         },
5198         one: function( types, selector, data, fn ) {
5199                 return this.on( types, selector, data, fn, 1 );
5200         },
5201         off: function( types, selector, fn ) {
5202                 var handleObj, type;
5203                 if ( types && types.preventDefault && types.handleObj ) {
5204                         // ( event )  dispatched jQuery.Event
5205                         handleObj = types.handleObj;
5206                         jQuery( types.delegateTarget ).off(
5207                                 handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType,
5208                                 handleObj.selector,
5209                                 handleObj.handler
5210                         );
5211                         return this;
5212                 }
5213                 if ( typeof types === "object" ) {
5214                         // ( types-object [, selector] )
5215                         for ( type in types ) {
5216                                 this.off( type, selector, types[ type ] );
5217                         }
5218                         return this;
5219                 }
5220                 if ( selector === false || typeof selector === "function" ) {
5221                         // ( types [, fn] )
5222                         fn = selector;
5223                         selector = undefined;
5224                 }
5225                 if ( fn === false ) {
5226                         fn = returnFalse;
5227                 }
5228                 return this.each(function() {
5229                         jQuery.event.remove( this, types, fn, selector );
5230                 });
5231         },
5232
5233         trigger: function( type, data ) {
5234                 return this.each(function() {
5235                         jQuery.event.trigger( type, data, this );
5236                 });
5237         },
5238         triggerHandler: function( type, data ) {
5239                 var elem = this[0];
5240                 if ( elem ) {
5241                         return jQuery.event.trigger( type, data, elem, true );
5242                 }
5243         }
5244 });
5245
5246
5247 function createSafeFragment( document ) {
5248         var list = nodeNames.split( "|" ),
5249                 safeFrag = document.createDocumentFragment();
5250
5251         if ( safeFrag.createElement ) {
5252                 while ( list.length ) {
5253                         safeFrag.createElement(
5254                                 list.pop()
5255                         );
5256                 }
5257         }
5258         return safeFrag;
5259 }
5260
5261 var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +
5262                 "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
5263         rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
5264         rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
5265         rleadingWhitespace = /^\s+/,
5266         rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
5267         rtagName = /<([\w:]+)/,
5268         rtbody = /<tbody/i,
5269         rhtml = /<|&#?\w+;/,
5270         rnoInnerhtml = /<(?:script|style|link)/i,
5271         // checked="checked" or checked
5272         rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5273         rscriptType = /^$|\/(?:java|ecma)script/i,
5274         rscriptTypeMasked = /^true\/(.*)/,
5275         rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,
5276
5277         // We have to close these tags to support XHTML (#13200)
5278         wrapMap = {
5279                 option: [ 1, "<select multiple='multiple'>", "</select>" ],
5280                 legend: [ 1, "<fieldset>", "</fieldset>" ],
5281                 area: [ 1, "<map>", "</map>" ],
5282                 param: [ 1, "<object>", "</object>" ],
5283                 thead: [ 1, "<table>", "</table>" ],
5284                 tr: [ 2, "<table><tbody>", "</tbody></table>" ],
5285                 col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
5286                 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
5287
5288                 // IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
5289                 // unless wrapped in a div with non-breaking characters in front of it.
5290                 _default: support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X<div>", "</div>"  ]
5291         },
5292         safeFragment = createSafeFragment( document ),
5293         fragmentDiv = safeFragment.appendChild( document.createElement("div") );
5294
5295 wrapMap.optgroup = wrapMap.option;
5296 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
5297 wrapMap.th = wrapMap.td;
5298
5299 function getAll( context, tag ) {
5300         var elems, elem,
5301                 i = 0,
5302                 found = typeof context.getElementsByTagName !== strundefined ? context.getElementsByTagName( tag || "*" ) :
5303                         typeof context.querySelectorAll !== strundefined ? context.querySelectorAll( tag || "*" ) :
5304                         undefined;
5305
5306         if ( !found ) {
5307                 for ( found = [], elems = context.childNodes || context; (elem = elems[i]) != null; i++ ) {
5308                         if ( !tag || jQuery.nodeName( elem, tag ) ) {
5309                                 found.push( elem );
5310                         } else {
5311                                 jQuery.merge( found, getAll( elem, tag ) );
5312                         }
5313                 }
5314         }
5315
5316         return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
5317                 jQuery.merge( [ context ], found ) :
5318                 found;
5319 }
5320
5321 // Used in buildFragment, fixes the defaultChecked property
5322 function fixDefaultChecked( elem ) {
5323         if ( rcheckableType.test( elem.type ) ) {
5324                 elem.defaultChecked = elem.checked;
5325         }
5326 }
5327
5328 // Support: IE<8
5329 // Manipulating tables requires a tbody
5330 function manipulationTarget( elem, content ) {
5331         return jQuery.nodeName( elem, "table" ) &&
5332                 jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ?
5333
5334                 elem.getElementsByTagName("tbody")[0] ||
5335                         elem.appendChild( elem.ownerDocument.createElement("tbody") ) :
5336                 elem;
5337 }
5338
5339 // Replace/restore the type attribute of script elements for safe DOM manipulation
5340 function disableScript( elem ) {
5341         elem.type = (jQuery.find.attr( elem, "type" ) !== null) + "/" + elem.type;
5342         return elem;
5343 }
5344 function restoreScript( elem ) {
5345         var match = rscriptTypeMasked.exec( elem.type );
5346         if ( match ) {
5347                 elem.type = match[1];
5348         } else {
5349                 elem.removeAttribute("type");
5350         }
5351         return elem;
5352 }
5353
5354 // Mark scripts as having already been evaluated
5355 function setGlobalEval( elems, refElements ) {
5356         var elem,
5357                 i = 0;
5358         for ( ; (elem = elems[i]) != null; i++ ) {
5359                 jQuery._data( elem, "globalEval", !refElements || jQuery._data( refElements[i], "globalEval" ) );
5360         }
5361 }
5362
5363 function cloneCopyEvent( src, dest ) {
5364
5365         if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
5366                 return;
5367         }
5368
5369         var type, i, l,
5370                 oldData = jQuery._data( src ),
5371                 curData = jQuery._data( dest, oldData ),
5372                 events = oldData.events;
5373
5374         if ( events ) {
5375                 delete curData.handle;
5376                 curData.events = {};
5377
5378                 for ( type in events ) {
5379                         for ( i = 0, l = events[ type ].length; i < l; i++ ) {
5380                                 jQuery.event.add( dest, type, events[ type ][ i ] );
5381                         }
5382                 }
5383         }
5384
5385         // make the cloned public data object a copy from the original
5386         if ( curData.data ) {
5387                 curData.data = jQuery.extend( {}, curData.data );
5388         }
5389 }
5390
5391 function fixCloneNodeIssues( src, dest ) {
5392         var nodeName, e, data;
5393
5394         // We do not need to do anything for non-Elements
5395         if ( dest.nodeType !== 1 ) {
5396                 return;
5397         }
5398
5399         nodeName = dest.nodeName.toLowerCase();
5400
5401         // IE6-8 copies events bound via attachEvent when using cloneNode.
5402         if ( !support.noCloneEvent && dest[ jQuery.expando ] ) {
5403                 data = jQuery._data( dest );
5404
5405                 for ( e in data.events ) {
5406                         jQuery.removeEvent( dest, e, data.handle );
5407                 }
5408
5409                 // Event data gets referenced instead of copied if the expando gets copied too
5410                 dest.removeAttribute( jQuery.expando );
5411         }
5412
5413         // IE blanks contents when cloning scripts, and tries to evaluate newly-set text
5414         if ( nodeName === "script" && dest.text !== src.text ) {
5415                 disableScript( dest ).text = src.text;
5416                 restoreScript( dest );
5417
5418         // IE6-10 improperly clones children of object elements using classid.
5419         // IE10 throws NoModificationAllowedError if parent is null, #12132.
5420         } else if ( nodeName === "object" ) {
5421                 if ( dest.parentNode ) {
5422                         dest.outerHTML = src.outerHTML;
5423                 }
5424
5425                 // This path appears unavoidable for IE9. When cloning an object
5426                 // element in IE9, the outerHTML strategy above is not sufficient.
5427                 // If the src has innerHTML and the destination does not,
5428                 // copy the src.innerHTML into the dest.innerHTML. #10324
5429                 if ( support.html5Clone && ( src.innerHTML && !jQuery.trim(dest.innerHTML) ) ) {
5430                         dest.innerHTML = src.innerHTML;
5431                 }
5432
5433         } else if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
5434                 // IE6-8 fails to persist the checked state of a cloned checkbox
5435                 // or radio button. Worse, IE6-7 fail to give the cloned element
5436                 // a checked appearance if the defaultChecked value isn't also set
5437
5438                 dest.defaultChecked = dest.checked = src.checked;
5439
5440                 // IE6-7 get confused and end up setting the value of a cloned
5441                 // checkbox/radio button to an empty string instead of "on"
5442                 if ( dest.value !== src.value ) {
5443                         dest.value = src.value;
5444                 }
5445
5446         // IE6-8 fails to return the selected option to the default selected
5447         // state when cloning options
5448         } else if ( nodeName === "option" ) {
5449                 dest.defaultSelected = dest.selected = src.defaultSelected;
5450
5451         // IE6-8 fails to set the defaultValue to the correct value when
5452         // cloning other types of input fields
5453         } else if ( nodeName === "input" || nodeName === "textarea" ) {
5454                 dest.defaultValue = src.defaultValue;
5455         }
5456 }
5457
5458 jQuery.extend({
5459         clone: function( elem, dataAndEvents, deepDataAndEvents ) {
5460                 var destElements, node, clone, i, srcElements,
5461                         inPage = jQuery.contains( elem.ownerDocument, elem );
5462
5463                 if ( support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ) {
5464                         clone = elem.cloneNode( true );
5465
5466                 // IE<=8 does not properly clone detached, unknown element nodes
5467                 } else {
5468                         fragmentDiv.innerHTML = elem.outerHTML;
5469                         fragmentDiv.removeChild( clone = fragmentDiv.firstChild );
5470                 }
5471
5472                 if ( (!support.noCloneEvent || !support.noCloneChecked) &&
5473                                 (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {
5474
5475                         // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
5476                         destElements = getAll( clone );
5477                         srcElements = getAll( elem );
5478
5479                         // Fix all IE cloning issues
5480                         for ( i = 0; (node = srcElements[i]) != null; ++i ) {
5481                                 // Ensure that the destination node is not null; Fixes #9587
5482                                 if ( destElements[i] ) {
5483                                         fixCloneNodeIssues( node, destElements[i] );
5484                                 }
5485                         }
5486                 }
5487
5488                 // Copy the events from the original to the clone
5489                 if ( dataAndEvents ) {
5490                         if ( deepDataAndEvents ) {
5491                                 srcElements = srcElements || getAll( elem );
5492                                 destElements = destElements || getAll( clone );
5493
5494                                 for ( i = 0; (node = srcElements[i]) != null; i++ ) {
5495                                         cloneCopyEvent( node, destElements[i] );
5496                                 }
5497                         } else {
5498                                 cloneCopyEvent( elem, clone );
5499                         }
5500                 }
5501
5502                 // Preserve script evaluation history
5503                 destElements = getAll( clone, "script" );
5504                 if ( destElements.length > 0 ) {
5505                         setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
5506                 }
5507
5508                 destElements = srcElements = node = null;
5509
5510                 // Return the cloned set
5511                 return clone;
5512         },
5513
5514         buildFragment: function( elems, context, scripts, selection ) {
5515                 var j, elem, contains,
5516                         tmp, tag, tbody, wrap,
5517                         l = elems.length,
5518
5519                         // Ensure a safe fragment
5520                         safe = createSafeFragment( context ),
5521
5522                         nodes = [],
5523                         i = 0;
5524
5525                 for ( ; i < l; i++ ) {
5526                         elem = elems[ i ];
5527
5528                         if ( elem || elem === 0 ) {
5529
5530                                 // Add nodes directly
5531                                 if ( jQuery.type( elem ) === "object" ) {
5532                                         jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
5533
5534                                 // Convert non-html into a text node
5535                                 } else if ( !rhtml.test( elem ) ) {
5536                                         nodes.push( context.createTextNode( elem ) );
5537
5538                                 // Convert html into DOM nodes
5539                                 } else {
5540                                         tmp = tmp || safe.appendChild( context.createElement("div") );
5541
5542                                         // Deserialize a standard representation
5543                                         tag = (rtagName.exec( elem ) || [ "", "" ])[ 1 ].toLowerCase();
5544                                         wrap = wrapMap[ tag ] || wrapMap._default;
5545
5546                                         tmp.innerHTML = wrap[1] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[2];
5547
5548                                         // Descend through wrappers to the right content
5549                                         j = wrap[0];
5550                                         while ( j-- ) {
5551                                                 tmp = tmp.lastChild;
5552                                         }
5553
5554                                         // Manually add leading whitespace removed by IE
5555                                         if ( !support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
5556                                                 nodes.push( context.createTextNode( rleadingWhitespace.exec( elem )[0] ) );
5557                                         }
5558
5559                                         // Remove IE's autoinserted <tbody> from table fragments
5560                                         if ( !support.tbody ) {
5561
5562                                                 // String was a <table>, *may* have spurious <tbody>
5563                                                 elem = tag === "table" && !rtbody.test( elem ) ?
5564                                                         tmp.firstChild :
5565
5566                                                         // String was a bare <thead> or <tfoot>
5567                                                         wrap[1] === "<table>" && !rtbody.test( elem ) ?
5568                                                                 tmp :
5569                                                                 0;
5570
5571                                                 j = elem && elem.childNodes.length;
5572                                                 while ( j-- ) {
5573                                                         if ( jQuery.nodeName( (tbody = elem.childNodes[j]), "tbody" ) && !tbody.childNodes.length ) {
5574                                                                 elem.removeChild( tbody );
5575                                                         }
5576                                                 }
5577                                         }
5578
5579                                         jQuery.merge( nodes, tmp.childNodes );
5580
5581                                         // Fix #12392 for WebKit and IE > 9
5582                                         tmp.textContent = "";
5583
5584                                         // Fix #12392 for oldIE
5585                                         while ( tmp.firstChild ) {
5586                                                 tmp.removeChild( tmp.firstChild );
5587                                         }
5588
5589                                         // Remember the top-level container for proper cleanup
5590                                         tmp = safe.lastChild;
5591                                 }
5592                         }
5593                 }
5594
5595                 // Fix #11356: Clear elements from fragment
5596                 if ( tmp ) {
5597                         safe.removeChild( tmp );
5598                 }
5599
5600                 // Reset defaultChecked for any radios and checkboxes
5601                 // about to be appended to the DOM in IE 6/7 (#8060)
5602                 if ( !support.appendChecked ) {
5603                         jQuery.grep( getAll( nodes, "input" ), fixDefaultChecked );
5604                 }
5605
5606                 i = 0;
5607                 while ( (elem = nodes[ i++ ]) ) {
5608
5609                         // #4087 - If origin and destination elements are the same, and this is
5610                         // that element, do not do anything
5611                         if ( selection && jQuery.inArray( elem, selection ) !== -1 ) {
5612                                 continue;
5613                         }
5614
5615                         contains = jQuery.contains( elem.ownerDocument, elem );
5616
5617                         // Append to fragment
5618                         tmp = getAll( safe.appendChild( elem ), "script" );
5619
5620                         // Preserve script evaluation history
5621                         if ( contains ) {
5622                                 setGlobalEval( tmp );
5623                         }
5624
5625                         // Capture executables
5626                         if ( scripts ) {
5627                                 j = 0;
5628                                 while ( (elem = tmp[ j++ ]) ) {
5629                                         if ( rscriptType.test( elem.type || "" ) ) {
5630                                                 scripts.push( elem );
5631                                         }
5632                                 }
5633                         }
5634                 }
5635
5636                 tmp = null;
5637
5638                 return safe;
5639         },
5640
5641         cleanData: function( elems, /* internal */ acceptData ) {
5642                 var elem, type, id, data,
5643                         i = 0,
5644                         internalKey = jQuery.expando,
5645                         cache = jQuery.cache,
5646                         deleteExpando = support.deleteExpando,
5647                         special = jQuery.event.special;
5648
5649                 for ( ; (elem = elems[i]) != null; i++ ) {
5650                         if ( acceptData || jQuery.acceptData( elem ) ) {
5651
5652                                 id = elem[ internalKey ];
5653                                 data = id && cache[ id ];
5654
5655                                 if ( data ) {
5656                                         if ( data.events ) {
5657                                                 for ( type in data.events ) {
5658                                                         if ( special[ type ] ) {
5659                                                                 jQuery.event.remove( elem, type );
5660
5661                                                         // This is a shortcut to avoid jQuery.event.remove's overhead
5662                                                         } else {
5663                                                                 jQuery.removeEvent( elem, type, data.handle );
5664                                                         }
5665                                                 }
5666                                         }
5667
5668                                         // Remove cache only if it was not already removed by jQuery.event.remove
5669                                         if ( cache[ id ] ) {
5670
5671                                                 delete cache[ id ];
5672
5673                                                 // IE does not allow us to delete expando properties from nodes,
5674                                                 // nor does it have a removeAttribute function on Document nodes;
5675                                                 // we must handle all of these cases
5676                                                 if ( deleteExpando ) {
5677                                                         delete elem[ internalKey ];
5678
5679                                                 } else if ( typeof elem.removeAttribute !== strundefined ) {
5680                                                         elem.removeAttribute( internalKey );
5681
5682                                                 } else {
5683                                                         elem[ internalKey ] = null;
5684                                                 }
5685
5686                                                 deletedIds.push( id );
5687                                         }
5688                                 }
5689                         }
5690                 }
5691         }
5692 });
5693
5694 jQuery.fn.extend({
5695         text: function( value ) {
5696                 return access( this, function( value ) {
5697                         return value === undefined ?
5698                                 jQuery.text( this ) :
5699                                 this.empty().append( ( this[0] && this[0].ownerDocument || document ).createTextNode( value ) );
5700                 }, null, value, arguments.length );
5701         },
5702
5703         append: function() {
5704                 return this.domManip( arguments, function( elem ) {
5705                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5706                                 var target = manipulationTarget( this, elem );
5707                                 target.appendChild( elem );
5708                         }
5709                 });
5710         },
5711
5712         prepend: function() {
5713                 return this.domManip( arguments, function( elem ) {
5714                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5715                                 var target = manipulationTarget( this, elem );
5716                                 target.insertBefore( elem, target.firstChild );
5717                         }
5718                 });
5719         },
5720
5721         before: function() {
5722                 return this.domManip( arguments, function( elem ) {
5723                         if ( this.parentNode ) {
5724                                 this.parentNode.insertBefore( elem, this );
5725                         }
5726                 });
5727         },
5728
5729         after: function() {
5730                 return this.domManip( arguments, function( elem ) {
5731                         if ( this.parentNode ) {
5732                                 this.parentNode.insertBefore( elem, this.nextSibling );
5733                         }
5734                 });
5735         },
5736
5737         remove: function( selector, keepData /* Internal Use Only */ ) {
5738                 var elem,
5739                         elems = selector ? jQuery.filter( selector, this ) : this,
5740                         i = 0;
5741
5742                 for ( ; (elem = elems[i]) != null; i++ ) {
5743
5744                         if ( !keepData && elem.nodeType === 1 ) {
5745                                 jQuery.cleanData( getAll( elem ) );
5746                         }
5747
5748                         if ( elem.parentNode ) {
5749                                 if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) {
5750                                         setGlobalEval( getAll( elem, "script" ) );
5751                                 }
5752                                 elem.parentNode.removeChild( elem );
5753                         }
5754                 }
5755
5756                 return this;
5757         },
5758
5759         empty: function() {
5760                 var elem,
5761                         i = 0;
5762
5763                 for ( ; (elem = this[i]) != null; i++ ) {
5764                         // Remove element nodes and prevent memory leaks
5765                         if ( elem.nodeType === 1 ) {
5766                                 jQuery.cleanData( getAll( elem, false ) );
5767                         }
5768
5769                         // Remove any remaining nodes
5770                         while ( elem.firstChild ) {
5771                                 elem.removeChild( elem.firstChild );
5772                         }
5773
5774                         // If this is a select, ensure that it displays empty (#12336)
5775                         // Support: IE<9
5776                         if ( elem.options && jQuery.nodeName( elem, "select" ) ) {
5777                                 elem.options.length = 0;
5778                         }
5779                 }
5780
5781                 return this;
5782         },
5783
5784         clone: function( dataAndEvents, deepDataAndEvents ) {
5785                 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
5786                 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
5787
5788                 return this.map(function() {
5789                         return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
5790                 });
5791         },
5792
5793         html: function( value ) {
5794                 return access( this, function( value ) {
5795                         var elem = this[ 0 ] || {},
5796                                 i = 0,
5797                                 l = this.length;
5798
5799                         if ( value === undefined ) {
5800                                 return elem.nodeType === 1 ?
5801                                         elem.innerHTML.replace( rinlinejQuery, "" ) :
5802                                         undefined;
5803                         }
5804
5805                         // See if we can take a shortcut and just use innerHTML
5806                         if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
5807                                 ( support.htmlSerialize || !rnoshimcache.test( value )  ) &&
5808                                 ( support.leadingWhitespace || !rleadingWhitespace.test( value ) ) &&
5809                                 !wrapMap[ (rtagName.exec( value ) || [ "", "" ])[ 1 ].toLowerCase() ] ) {
5810
5811                                 value = value.replace( rxhtmlTag, "<$1></$2>" );
5812
5813                                 try {
5814                                         for (; i < l; i++ ) {
5815                                                 // Remove element nodes and prevent memory leaks
5816                                                 elem = this[i] || {};
5817                                                 if ( elem.nodeType === 1 ) {
5818                                                         jQuery.cleanData( getAll( elem, false ) );
5819                                                         elem.innerHTML = value;
5820                                                 }
5821                                         }
5822
5823                                         elem = 0;
5824
5825                                 // If using innerHTML throws an exception, use the fallback method
5826                                 } catch(e) {}
5827                         }
5828
5829                         if ( elem ) {
5830                                 this.empty().append( value );
5831                         }
5832                 }, null, value, arguments.length );
5833         },
5834
5835         replaceWith: function() {
5836                 var arg = arguments[ 0 ];
5837
5838                 // Make the changes, replacing each context element with the new content
5839                 this.domManip( arguments, function( elem ) {
5840                         arg = this.parentNode;
5841
5842                         jQuery.cleanData( getAll( this ) );
5843
5844                         if ( arg ) {
5845                                 arg.replaceChild( elem, this );
5846                         }
5847                 });
5848
5849                 // Force removal if there was no new content (e.g., from empty arguments)
5850                 return arg && (arg.length || arg.nodeType) ? this : this.remove();
5851         },
5852
5853         detach: function( selector ) {
5854                 return this.remove( selector, true );
5855         },
5856
5857         domManip: function( args, callback ) {
5858
5859                 // Flatten any nested arrays
5860                 args = concat.apply( [], args );
5861
5862                 var first, node, hasScripts,
5863                         scripts, doc, fragment,
5864                         i = 0,
5865                         l = this.length,
5866                         set = this,
5867                         iNoClone = l - 1,
5868                         value = args[0],
5869                         isFunction = jQuery.isFunction( value );
5870
5871                 // We can't cloneNode fragments that contain checked, in WebKit
5872                 if ( isFunction ||
5873                                 ( l > 1 && typeof value === "string" &&
5874                                         !support.checkClone && rchecked.test( value ) ) ) {
5875                         return this.each(function( index ) {
5876                                 var self = set.eq( index );
5877                                 if ( isFunction ) {
5878                                         args[0] = value.call( this, index, self.html() );
5879                                 }
5880                                 self.domManip( args, callback );
5881                         });
5882                 }
5883
5884                 if ( l ) {
5885                         fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, this );
5886                         first = fragment.firstChild;
5887
5888                         if ( fragment.childNodes.length === 1 ) {
5889                                 fragment = first;
5890                         }
5891
5892                         if ( first ) {
5893                                 scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
5894                                 hasScripts = scripts.length;
5895
5896                                 // Use the original fragment for the last item instead of the first because it can end up
5897                                 // being emptied incorrectly in certain situations (#8070).
5898                                 for ( ; i < l; i++ ) {
5899                                         node = fragment;
5900
5901                                         if ( i !== iNoClone ) {
5902                                                 node = jQuery.clone( node, true, true );
5903
5904                                                 // Keep references to cloned scripts for later restoration
5905                                                 if ( hasScripts ) {
5906                                                         jQuery.merge( scripts, getAll( node, "script" ) );
5907                                                 }
5908                                         }
5909
5910                                         callback.call( this[i], node, i );
5911                                 }
5912
5913                                 if ( hasScripts ) {
5914                                         doc = scripts[ scripts.length - 1 ].ownerDocument;
5915
5916                                         // Reenable scripts
5917                                         jQuery.map( scripts, restoreScript );
5918
5919                                         // Evaluate executable scripts on first document insertion
5920                                         for ( i = 0; i < hasScripts; i++ ) {
5921                                                 node = scripts[ i ];
5922                                                 if ( rscriptType.test( node.type || "" ) &&
5923                                                         !jQuery._data( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
5924
5925                                                         if ( node.src ) {
5926                                                                 // Optional AJAX dependency, but won't run scripts if not present
5927                                                                 if ( jQuery._evalUrl ) {
5928                                                                         jQuery._evalUrl( node.src );
5929                                                                 }
5930                                                         } else {
5931                                                                 jQuery.globalEval( ( node.text || node.textContent || node.innerHTML || "" ).replace( rcleanScript, "" ) );
5932                                                         }
5933                                                 }
5934                                         }
5935                                 }
5936
5937                                 // Fix #11809: Avoid leaking memory
5938                                 fragment = first = null;
5939                         }
5940                 }
5941
5942                 return this;
5943         }
5944 });
5945
5946 jQuery.each({
5947         appendTo: "append",
5948         prependTo: "prepend",
5949         insertBefore: "before",
5950         insertAfter: "after",
5951         replaceAll: "replaceWith"
5952 }, function( name, original ) {
5953         jQuery.fn[ name ] = function( selector ) {
5954                 var elems,
5955                         i = 0,
5956                         ret = [],
5957                         insert = jQuery( selector ),
5958                         last = insert.length - 1;
5959
5960                 for ( ; i <= last; i++ ) {
5961                         elems = i === last ? this : this.clone(true);
5962                         jQuery( insert[i] )[ original ]( elems );
5963
5964                         // Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get()
5965                         push.apply( ret, elems.get() );
5966                 }
5967
5968                 return this.pushStack( ret );
5969         };
5970 });
5971
5972
5973 var iframe,
5974         elemdisplay = {};
5975
5976 /**
5977  * Retrieve the actual display of a element
5978  * @param {String} name nodeName of the element
5979  * @param {Object} doc Document object
5980  */
5981 // Called only from within defaultDisplay
5982 function actualDisplay( name, doc ) {
5983         var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
5984
5985                 // getDefaultComputedStyle might be reliably used only on attached element
5986                 display = window.getDefaultComputedStyle ?
5987
5988                         // Use of this method is a temporary fix (more like optmization) until something better comes along,
5989                         // since it was removed from specification and supported only in FF
5990                         window.getDefaultComputedStyle( elem[ 0 ] ).display : jQuery.css( elem[ 0 ], "display" );
5991
5992         // We don't have any data stored on the element,
5993         // so use "detach" method as fast way to get rid of the element
5994         elem.detach();
5995
5996         return display;
5997 }
5998
5999 /**
6000  * Try to determine the default display value of an element
6001  * @param {String} nodeName
6002  */
6003 function defaultDisplay( nodeName ) {
6004         var doc = document,
6005                 display = elemdisplay[ nodeName ];
6006
6007         if ( !display ) {
6008                 display = actualDisplay( nodeName, doc );
6009
6010                 // If the simple way fails, read from inside an iframe
6011                 if ( display === "none" || !display ) {
6012
6013                         // Use the already-created iframe if possible
6014                         iframe = (iframe || jQuery( "<iframe frameborder='0' width='0' height='0'/>" )).appendTo( doc.documentElement );
6015
6016                         // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
6017                         doc = ( iframe[ 0 ].contentWindow || iframe[ 0 ].contentDocument ).document;
6018
6019                         // Support: IE
6020                         doc.write();
6021                         doc.close();
6022
6023                         display = actualDisplay( nodeName, doc );
6024                         iframe.detach();
6025                 }
6026
6027                 // Store the correct default display
6028                 elemdisplay[ nodeName ] = display;
6029         }
6030
6031         return display;
6032 }
6033
6034
6035 (function() {
6036         var a, shrinkWrapBlocksVal,
6037                 div = document.createElement( "div" ),
6038                 divReset =
6039                         "-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box;" +
6040                         "display:block;padding:0;margin:0;border:0";
6041
6042         // Setup
6043         div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
6044         a = div.getElementsByTagName( "a" )[ 0 ];
6045
6046         a.style.cssText = "float:left;opacity:.5";
6047
6048         // Make sure that element opacity exists
6049         // (IE uses filter instead)
6050         // Use a regex to work around a WebKit issue. See #5145
6051         support.opacity = /^0.5/.test( a.style.opacity );
6052
6053         // Verify style float existence
6054         // (IE uses styleFloat instead of cssFloat)
6055         support.cssFloat = !!a.style.cssFloat;
6056
6057         div.style.backgroundClip = "content-box";
6058         div.cloneNode( true ).style.backgroundClip = "";
6059         support.clearCloneStyle = div.style.backgroundClip === "content-box";
6060
6061         // Null elements to avoid leaks in IE.
6062         a = div = null;
6063
6064         support.shrinkWrapBlocks = function() {
6065                 var body, container, div, containerStyles;
6066
6067                 if ( shrinkWrapBlocksVal == null ) {
6068                         body = document.getElementsByTagName( "body" )[ 0 ];
6069                         if ( !body ) {
6070                                 // Test fired too early or in an unsupported environment, exit.
6071                                 return;
6072                         }
6073
6074                         containerStyles = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px";
6075                         container = document.createElement( "div" );
6076                         div = document.createElement( "div" );
6077
6078                         body.appendChild( container ).appendChild( div );
6079
6080                         // Will be changed later if needed.
6081                         shrinkWrapBlocksVal = false;
6082
6083                         if ( typeof div.style.zoom !== strundefined ) {
6084                                 // Support: IE6
6085                                 // Check if elements with layout shrink-wrap their children
6086                                 div.style.cssText = divReset + ";width:1px;padding:1px;zoom:1";
6087                                 div.innerHTML = "<div></div>";
6088                                 div.firstChild.style.width = "5px";
6089                                 shrinkWrapBlocksVal = div.offsetWidth !== 3;
6090                         }
6091
6092                         body.removeChild( container );
6093
6094                         // Null elements to avoid leaks in IE.
6095                         body = container = div = null;
6096                 }
6097
6098                 return shrinkWrapBlocksVal;
6099         };
6100
6101 })();
6102 var rmargin = (/^margin/);
6103
6104 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
6105
6106
6107
6108 var getStyles, curCSS,
6109         rposition = /^(top|right|bottom|left)$/;
6110
6111 if ( window.getComputedStyle ) {
6112         getStyles = function( elem ) {
6113                 return elem.ownerDocument.defaultView.getComputedStyle( elem, null );
6114         };
6115
6116         curCSS = function( elem, name, computed ) {
6117                 var width, minWidth, maxWidth, ret,
6118                         style = elem.style;
6119
6120                 computed = computed || getStyles( elem );
6121
6122                 // getPropertyValue is only needed for .css('filter') in IE9, see #12537
6123                 ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined;
6124
6125                 if ( computed ) {
6126
6127                         if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
6128                                 ret = jQuery.style( elem, name );
6129                         }
6130
6131                         // A tribute to the "awesome hack by Dean Edwards"
6132                         // Chrome < 17 and Safari 5.0 uses "computed value" instead of "used value" for margin-right
6133                         // Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
6134                         // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
6135                         if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {
6136
6137                                 // Remember the original values
6138                                 width = style.width;
6139                                 minWidth = style.minWidth;
6140                                 maxWidth = style.maxWidth;
6141
6142                                 // Put in the new values to get a computed value out
6143                                 style.minWidth = style.maxWidth = style.width = ret;
6144                                 ret = computed.width;
6145
6146                                 // Revert the changed values
6147                                 style.width = width;
6148                                 style.minWidth = minWidth;
6149                                 style.maxWidth = maxWidth;
6150                         }
6151                 }
6152
6153                 // Support: IE
6154                 // IE returns zIndex value as an integer.
6155                 return ret === undefined ?
6156                         ret :
6157                         ret + "";
6158         };
6159 } else if ( document.documentElement.currentStyle ) {
6160         getStyles = function( elem ) {
6161                 return elem.currentStyle;
6162         };
6163
6164         curCSS = function( elem, name, computed ) {
6165                 var left, rs, rsLeft, ret,
6166                         style = elem.style;
6167
6168                 computed = computed || getStyles( elem );
6169                 ret = computed ? computed[ name ] : undefined;
6170
6171                 // Avoid setting ret to empty string here
6172                 // so we don't default to auto
6173                 if ( ret == null && style && style[ name ] ) {
6174                         ret = style[ name ];
6175                 }
6176
6177                 // From the awesome hack by Dean Edwards
6178                 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
6179
6180                 // If we're not dealing with a regular pixel number
6181                 // but a number that has a weird ending, we need to convert it to pixels
6182                 // but not position css attributes, as those are proportional to the parent element instead
6183                 // and we can't measure the parent instead because it might trigger a "stacking dolls" problem
6184                 if ( rnumnonpx.test( ret ) && !rposition.test( name ) ) {
6185
6186                         // Remember the original values
6187                         left = style.left;
6188                         rs = elem.runtimeStyle;
6189                         rsLeft = rs && rs.left;
6190
6191                         // Put in the new values to get a computed value out
6192                         if ( rsLeft ) {
6193                                 rs.left = elem.currentStyle.left;
6194                         }
6195                         style.left = name === "fontSize" ? "1em" : ret;
6196                         ret = style.pixelLeft + "px";
6197
6198                         // Revert the changed values
6199                         style.left = left;
6200                         if ( rsLeft ) {
6201                                 rs.left = rsLeft;
6202                         }
6203                 }
6204
6205                 // Support: IE
6206                 // IE returns zIndex value as an integer.
6207                 return ret === undefined ?
6208                         ret :
6209                         ret + "" || "auto";
6210         };
6211 }
6212
6213
6214
6215
6216 function addGetHookIf( conditionFn, hookFn ) {
6217         // Define the hook, we'll check on the first run if it's really needed.
6218         return {
6219                 get: function() {
6220                         var condition = conditionFn();
6221
6222                         if ( condition == null ) {
6223                                 // The test was not ready at this point; screw the hook this time
6224                                 // but check again when needed next time.
6225                                 return;
6226                         }
6227
6228                         if ( condition ) {
6229                                 // Hook not needed (or it's not possible to use it due to missing dependency),
6230                                 // remove it.
6231                                 // Since there are no other hooks for marginRight, remove the whole object.
6232                                 delete this.get;
6233                                 return;
6234                         }
6235
6236                         // Hook needed; redefine it so that the support test is not executed again.
6237
6238                         return (this.get = hookFn).apply( this, arguments );
6239                 }
6240         };
6241 }
6242
6243
6244 (function() {
6245         var a, reliableHiddenOffsetsVal, boxSizingVal, boxSizingReliableVal,
6246                 pixelPositionVal, reliableMarginRightVal,
6247                 div = document.createElement( "div" ),
6248                 containerStyles = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px",
6249                 divReset =
6250                         "-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box;" +
6251                         "display:block;padding:0;margin:0;border:0";
6252
6253         // Setup
6254         div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
6255         a = div.getElementsByTagName( "a" )[ 0 ];
6256
6257         a.style.cssText = "float:left;opacity:.5";
6258
6259         // Make sure that element opacity exists
6260         // (IE uses filter instead)
6261         // Use a regex to work around a WebKit issue. See #5145
6262         support.opacity = /^0.5/.test( a.style.opacity );
6263
6264         // Verify style float existence
6265         // (IE uses styleFloat instead of cssFloat)
6266         support.cssFloat = !!a.style.cssFloat;
6267
6268         div.style.backgroundClip = "content-box";
6269         div.cloneNode( true ).style.backgroundClip = "";
6270         support.clearCloneStyle = div.style.backgroundClip === "content-box";
6271
6272         // Null elements to avoid leaks in IE.
6273         a = div = null;
6274
6275         jQuery.extend(support, {
6276                 reliableHiddenOffsets: function() {
6277                         if ( reliableHiddenOffsetsVal != null ) {
6278                                 return reliableHiddenOffsetsVal;
6279                         }
6280
6281                         var container, tds, isSupported,
6282                                 div = document.createElement( "div" ),
6283                                 body = document.getElementsByTagName( "body" )[ 0 ];
6284
6285                         if ( !body ) {
6286                                 // Return for frameset docs that don't have a body
6287                                 return;
6288                         }
6289
6290                         // Setup
6291                         div.setAttribute( "className", "t" );
6292                         div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
6293
6294                         container = document.createElement( "div" );
6295                         container.style.cssText = containerStyles;
6296
6297                         body.appendChild( container ).appendChild( div );
6298
6299                         // Support: IE8
6300                         // Check if table cells still have offsetWidth/Height when they are set
6301                         // to display:none and there are still other visible table cells in a
6302                         // table row; if so, offsetWidth/Height are not reliable for use when
6303                         // determining if an element has been hidden directly using
6304                         // display:none (it is still safe to use offsets if a parent element is
6305                         // hidden; don safety goggles and see bug #4512 for more information).
6306                         div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
6307                         tds = div.getElementsByTagName( "td" );
6308                         tds[ 0 ].style.cssText = "padding:0;margin:0;border:0;display:none";
6309                         isSupported = ( tds[ 0 ].offsetHeight === 0 );
6310
6311                         tds[ 0 ].style.display = "";
6312                         tds[ 1 ].style.display = "none";
6313
6314                         // Support: IE8
6315                         // Check if empty table cells still have offsetWidth/Height
6316                         reliableHiddenOffsetsVal = isSupported && ( tds[ 0 ].offsetHeight === 0 );
6317
6318                         body.removeChild( container );
6319
6320                         // Null elements to avoid leaks in IE.
6321                         div = body = null;
6322
6323                         return reliableHiddenOffsetsVal;
6324                 },
6325
6326                 boxSizing: function() {
6327                         if ( boxSizingVal == null ) {
6328                                 computeStyleTests();
6329                         }
6330                         return boxSizingVal;
6331                 },
6332
6333                 boxSizingReliable: function() {
6334                         if ( boxSizingReliableVal == null ) {
6335                                 computeStyleTests();
6336                         }
6337                         return boxSizingReliableVal;
6338                 },
6339
6340                 pixelPosition: function() {
6341                         if ( pixelPositionVal == null ) {
6342                                 computeStyleTests();
6343                         }
6344                         return pixelPositionVal;
6345                 },
6346
6347                 reliableMarginRight: function() {
6348                         var body, container, div, marginDiv;
6349
6350                         // Use window.getComputedStyle because jsdom on node.js will break without it.
6351                         if ( reliableMarginRightVal == null && window.getComputedStyle ) {
6352                                 body = document.getElementsByTagName( "body" )[ 0 ];
6353                                 if ( !body ) {
6354                                         // Test fired too early or in an unsupported environment, exit.
6355                                         return;
6356                                 }
6357
6358                                 container = document.createElement( "div" );
6359                                 div = document.createElement( "div" );
6360                                 container.style.cssText = containerStyles;
6361
6362                                 body.appendChild( container ).appendChild( div );
6363
6364                                 // Check if div with explicit width and no margin-right incorrectly
6365                                 // gets computed margin-right based on width of container. (#3333)
6366                                 // Fails in WebKit before Feb 2011 nightlies
6367                                 // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
6368                                 marginDiv = div.appendChild( document.createElement( "div" ) );
6369                                 marginDiv.style.cssText = div.style.cssText = divReset;
6370                                 marginDiv.style.marginRight = marginDiv.style.width = "0";
6371                                 div.style.width = "1px";
6372
6373                                 reliableMarginRightVal =
6374                                         !parseFloat( ( window.getComputedStyle( marginDiv, null ) || {} ).marginRight );
6375
6376                                 body.removeChild( container );
6377                         }
6378
6379                         return reliableMarginRightVal;
6380                 }
6381         });
6382
6383         function computeStyleTests() {
6384                 var container, div,
6385                         body = document.getElementsByTagName( "body" )[ 0 ];
6386
6387                 if ( !body ) {
6388                         // Test fired too early or in an unsupported environment, exit.
6389                         return;
6390                 }
6391
6392                 container = document.createElement( "div" );
6393                 div = document.createElement( "div" );
6394                 container.style.cssText = containerStyles;
6395
6396                 body.appendChild( container ).appendChild( div );
6397
6398                 div.style.cssText =
6399                         "-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;" +
6400                                 "position:absolute;display:block;padding:1px;border:1px;width:4px;" +
6401                                 "margin-top:1%;top:1%";
6402
6403                 // Workaround failing boxSizing test due to offsetWidth returning wrong value
6404                 // with some non-1 values of body zoom, ticket #13543
6405                 jQuery.swap( body, body.style.zoom != null ? { zoom: 1 } : {}, function() {
6406                         boxSizingVal = div.offsetWidth === 4;
6407                 });
6408
6409                 // Will be changed later if needed.
6410                 boxSizingReliableVal = true;
6411                 pixelPositionVal = false;
6412                 reliableMarginRightVal = true;
6413
6414                 // Use window.getComputedStyle because jsdom on node.js will break without it.
6415                 if ( window.getComputedStyle ) {
6416                         pixelPositionVal = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
6417                         boxSizingReliableVal =
6418                                 ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";
6419                 }
6420
6421                 body.removeChild( container );
6422
6423                 // Null elements to avoid leaks in IE.
6424                 div = body = null;
6425         }
6426
6427 })();
6428
6429
6430 // A method for quickly swapping in/out CSS properties to get correct calculations.
6431 jQuery.swap = function( elem, options, callback, args ) {
6432         var ret, name,
6433                 old = {};
6434
6435         // Remember the old values, and insert the new ones
6436         for ( name in options ) {
6437                 old[ name ] = elem.style[ name ];
6438                 elem.style[ name ] = options[ name ];
6439         }
6440
6441         ret = callback.apply( elem, args || [] );
6442
6443         // Revert the old values
6444         for ( name in options ) {
6445                 elem.style[ name ] = old[ name ];
6446         }
6447
6448         return ret;
6449 };
6450
6451
6452 var
6453                 ralpha = /alpha\([^)]*\)/i,
6454         ropacity = /opacity\s*=\s*([^)]*)/,
6455
6456         // swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
6457         // see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6458         rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6459         rnumsplit = new RegExp( "^(" + pnum + ")(.*)$", "i" ),
6460         rrelNum = new RegExp( "^([+-])=(" + pnum + ")", "i" ),
6461
6462         cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6463         cssNormalTransform = {
6464                 letterSpacing: 0,
6465                 fontWeight: 400
6466         },
6467
6468         cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];
6469
6470
6471 // return a css property mapped to a potentially vendor prefixed property
6472 function vendorPropName( style, name ) {
6473
6474         // shortcut for names that are not vendor prefixed
6475         if ( name in style ) {
6476                 return name;
6477         }
6478
6479         // check for vendor prefixed names
6480         var capName = name.charAt(0).toUpperCase() + name.slice(1),
6481                 origName = name,
6482                 i = cssPrefixes.length;
6483
6484         while ( i-- ) {
6485                 name = cssPrefixes[ i ] + capName;
6486                 if ( name in style ) {
6487                         return name;
6488                 }
6489         }
6490
6491         return origName;
6492 }
6493
6494 function showHide( elements, show ) {
6495         var display, elem, hidden,
6496                 values = [],
6497                 index = 0,
6498                 length = elements.length;
6499
6500         for ( ; index < length; index++ ) {
6501                 elem = elements[ index ];
6502                 if ( !elem.style ) {
6503                         continue;
6504                 }
6505
6506                 values[ index ] = jQuery._data( elem, "olddisplay" );
6507                 display = elem.style.display;
6508                 if ( show ) {
6509                         // Reset the inline display of this element to learn if it is
6510                         // being hidden by cascaded rules or not
6511                         if ( !values[ index ] && display === "none" ) {
6512                                 elem.style.display = "";
6513                         }
6514
6515                         // Set elements which have been overridden with display: none
6516                         // in a stylesheet to whatever the default browser style is
6517                         // for such an element
6518                         if ( elem.style.display === "" && isHidden( elem ) ) {
6519                                 values[ index ] = jQuery._data( elem, "olddisplay", defaultDisplay(elem.nodeName) );
6520                         }
6521                 } else {
6522
6523                         if ( !values[ index ] ) {
6524                                 hidden = isHidden( elem );
6525
6526                                 if ( display && display !== "none" || !hidden ) {
6527                                         jQuery._data( elem, "olddisplay", hidden ? display : jQuery.css( elem, "display" ) );
6528                                 }
6529                         }
6530                 }
6531         }
6532
6533         // Set the display of most of the elements in a second loop
6534         // to avoid the constant reflow
6535         for ( index = 0; index < length; index++ ) {
6536                 elem = elements[ index ];
6537                 if ( !elem.style ) {
6538                         continue;
6539                 }
6540                 if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
6541                         elem.style.display = show ? values[ index ] || "" : "none";
6542                 }
6543         }
6544
6545         return elements;
6546 }
6547
6548 function setPositiveNumber( elem, value, subtract ) {
6549         var matches = rnumsplit.exec( value );
6550         return matches ?
6551                 // Guard against undefined "subtract", e.g., when used as in cssHooks
6552                 Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
6553                 value;
6554 }
6555
6556 function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
6557         var i = extra === ( isBorderBox ? "border" : "content" ) ?
6558                 // If we already have the right measurement, avoid augmentation
6559                 4 :
6560                 // Otherwise initialize for horizontal or vertical properties
6561                 name === "width" ? 1 : 0,
6562
6563                 val = 0;
6564
6565         for ( ; i < 4; i += 2 ) {
6566                 // both box models exclude margin, so add it if we want it
6567                 if ( extra === "margin" ) {
6568                         val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
6569                 }
6570
6571                 if ( isBorderBox ) {
6572                         // border-box includes padding, so remove it if we want content
6573                         if ( extra === "content" ) {
6574                                 val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6575                         }
6576
6577                         // at this point, extra isn't border nor margin, so remove border
6578                         if ( extra !== "margin" ) {
6579                                 val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6580                         }
6581                 } else {
6582                         // at this point, extra isn't content, so add padding
6583                         val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6584
6585                         // at this point, extra isn't content nor padding, so add border
6586                         if ( extra !== "padding" ) {
6587                                 val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6588                         }
6589                 }
6590         }
6591
6592         return val;
6593 }
6594
6595 function getWidthOrHeight( elem, name, extra ) {
6596
6597         // Start with offset property, which is equivalent to the border-box value
6598         var valueIsBorderBox = true,
6599                 val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
6600                 styles = getStyles( elem ),
6601                 isBorderBox = support.boxSizing() && jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
6602
6603         // some non-html elements return undefined for offsetWidth, so check for null/undefined
6604         // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
6605         // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
6606         if ( val <= 0 || val == null ) {
6607                 // Fall back to computed then uncomputed css if necessary
6608                 val = curCSS( elem, name, styles );
6609                 if ( val < 0 || val == null ) {
6610                         val = elem.style[ name ];
6611                 }
6612
6613                 // Computed unit is not pixels. Stop here and return.
6614                 if ( rnumnonpx.test(val) ) {
6615                         return val;
6616                 }
6617
6618                 // we need the check for style in case a browser which returns unreliable values
6619                 // for getComputedStyle silently falls back to the reliable elem.style
6620                 valueIsBorderBox = isBorderBox && ( support.boxSizingReliable() || val === elem.style[ name ] );
6621
6622                 // Normalize "", auto, and prepare for extra
6623                 val = parseFloat( val ) || 0;
6624         }
6625
6626         // use the active box-sizing model to add/subtract irrelevant styles
6627         return ( val +
6628                 augmentWidthOrHeight(
6629                         elem,
6630                         name,
6631                         extra || ( isBorderBox ? "border" : "content" ),
6632                         valueIsBorderBox,
6633                         styles
6634                 )
6635         ) + "px";
6636 }
6637
6638 jQuery.extend({
6639         // Add in style property hooks for overriding the default
6640         // behavior of getting and setting a style property
6641         cssHooks: {
6642                 opacity: {
6643                         get: function( elem, computed ) {
6644                                 if ( computed ) {
6645                                         // We should always get a number back from opacity
6646                                         var ret = curCSS( elem, "opacity" );
6647                                         return ret === "" ? "1" : ret;
6648                                 }
6649                         }
6650                 }
6651         },
6652
6653         // Don't automatically add "px" to these possibly-unitless properties
6654         cssNumber: {
6655                 "columnCount": true,
6656                 "fillOpacity": true,
6657                 "fontWeight": true,
6658                 "lineHeight": true,
6659                 "opacity": true,
6660                 "order": true,
6661                 "orphans": true,
6662                 "widows": true,
6663                 "zIndex": true,
6664                 "zoom": true
6665         },
6666
6667         // Add in properties whose names you wish to fix before
6668         // setting or getting the value
6669         cssProps: {
6670                 // normalize float css property
6671                 "float": support.cssFloat ? "cssFloat" : "styleFloat"
6672         },
6673
6674         // Get and set the style property on a DOM Node
6675         style: function( elem, name, value, extra ) {
6676                 // Don't set styles on text and comment nodes
6677                 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6678                         return;
6679                 }
6680
6681                 // Make sure that we're working with the right name
6682                 var ret, type, hooks,
6683                         origName = jQuery.camelCase( name ),
6684                         style = elem.style;
6685
6686                 name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );
6687
6688                 // gets hook for the prefixed version
6689                 // followed by the unprefixed version
6690                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6691
6692                 // Check if we're setting a value
6693                 if ( value !== undefined ) {
6694                         type = typeof value;
6695
6696                         // convert relative number strings (+= or -=) to relative numbers. #7345
6697                         if ( type === "string" && (ret = rrelNum.exec( value )) ) {
6698                                 value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
6699                                 // Fixes bug #9237
6700                                 type = "number";
6701                         }
6702
6703                         // Make sure that null and NaN values aren't set. See: #7116
6704                         if ( value == null || value !== value ) {
6705                                 return;
6706                         }
6707
6708                         // If a number was passed in, add 'px' to the (except for certain CSS properties)
6709                         if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
6710                                 value += "px";
6711                         }
6712
6713                         // Fixes #8908, it can be done more correctly by specifing setters in cssHooks,
6714                         // but it would mean to define eight (for every problematic property) identical functions
6715                         if ( !support.clearCloneStyle && value === "" && name.indexOf("background") === 0 ) {
6716                                 style[ name ] = "inherit";
6717                         }
6718
6719                         // If a hook was provided, use that value, otherwise just set the specified value
6720                         if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {
6721
6722                                 // Support: IE
6723                                 // Swallow errors from 'invalid' CSS values (#5509)
6724                                 try {
6725                                         // Support: Chrome, Safari
6726                                         // Setting style to blank string required to delete "style: x !important;"
6727                                         style[ name ] = "";
6728                                         style[ name ] = value;
6729                                 } catch(e) {}
6730                         }
6731
6732                 } else {
6733                         // If a hook was provided get the non-computed value from there
6734                         if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
6735                                 return ret;
6736                         }
6737
6738                         // Otherwise just get the value from the style object
6739                         return style[ name ];
6740                 }
6741         },
6742
6743         css: function( elem, name, extra, styles ) {
6744                 var num, val, hooks,
6745                         origName = jQuery.camelCase( name );
6746
6747                 // Make sure that we're working with the right name
6748                 name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );
6749
6750                 // gets hook for the prefixed version
6751                 // followed by the unprefixed version
6752                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6753
6754                 // If a hook was provided get the computed value from there
6755                 if ( hooks && "get" in hooks ) {
6756                         val = hooks.get( elem, true, extra );
6757                 }
6758
6759                 // Otherwise, if a way to get the computed value exists, use that
6760                 if ( val === undefined ) {
6761                         val = curCSS( elem, name, styles );
6762                 }
6763
6764                 //convert "normal" to computed value
6765                 if ( val === "normal" && name in cssNormalTransform ) {
6766                         val = cssNormalTransform[ name ];
6767                 }
6768
6769                 // Return, converting to number if forced or a qualifier was provided and val looks numeric
6770                 if ( extra === "" || extra ) {
6771                         num = parseFloat( val );
6772                         return extra === true || jQuery.isNumeric( num ) ? num || 0 : val;
6773                 }
6774                 return val;
6775         }
6776 });
6777
6778 jQuery.each([ "height", "width" ], function( i, name ) {
6779         jQuery.cssHooks[ name ] = {
6780                 get: function( elem, computed, extra ) {
6781                         if ( computed ) {
6782                                 // certain elements can have dimension info if we invisibly show them
6783                                 // however, it must have a current display style that would benefit from this
6784                                 return elem.offsetWidth === 0 && rdisplayswap.test( jQuery.css( elem, "display" ) ) ?
6785                                         jQuery.swap( elem, cssShow, function() {
6786                                                 return getWidthOrHeight( elem, name, extra );
6787                                         }) :
6788                                         getWidthOrHeight( elem, name, extra );
6789                         }
6790                 },
6791
6792                 set: function( elem, value, extra ) {
6793                         var styles = extra && getStyles( elem );
6794                         return setPositiveNumber( elem, value, extra ?
6795                                 augmentWidthOrHeight(
6796                                         elem,
6797                                         name,
6798                                         extra,
6799                                         support.boxSizing() && jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6800                                         styles
6801                                 ) : 0
6802                         );
6803                 }
6804         };
6805 });
6806
6807 if ( !support.opacity ) {
6808         jQuery.cssHooks.opacity = {
6809                 get: function( elem, computed ) {
6810                         // IE uses filters for opacity
6811                         return ropacity.test( (computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "" ) ?
6812                                 ( 0.01 * parseFloat( RegExp.$1 ) ) + "" :
6813                                 computed ? "1" : "";
6814                 },
6815
6816                 set: function( elem, value ) {
6817                         var style = elem.style,
6818                                 currentStyle = elem.currentStyle,
6819                                 opacity = jQuery.isNumeric( value ) ? "alpha(opacity=" + value * 100 + ")" : "",
6820                                 filter = currentStyle && currentStyle.filter || style.filter || "";
6821
6822                         // IE has trouble with opacity if it does not have layout
6823                         // Force it by setting the zoom level
6824                         style.zoom = 1;
6825
6826                         // if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652
6827                         // if value === "", then remove inline opacity #12685
6828                         if ( ( value >= 1 || value === "" ) &&
6829                                         jQuery.trim( filter.replace( ralpha, "" ) ) === "" &&
6830                                         style.removeAttribute ) {
6831
6832                                 // Setting style.filter to null, "" & " " still leave "filter:" in the cssText
6833                                 // if "filter:" is present at all, clearType is disabled, we want to avoid this
6834                                 // style.removeAttribute is IE Only, but so apparently is this code path...
6835                                 style.removeAttribute( "filter" );
6836
6837                                 // if there is no filter style applied in a css rule or unset inline opacity, we are done
6838                                 if ( value === "" || currentStyle && !currentStyle.filter ) {
6839                                         return;
6840                                 }
6841                         }
6842
6843                         // otherwise, set new filter values
6844                         style.filter = ralpha.test( filter ) ?
6845                                 filter.replace( ralpha, opacity ) :
6846                                 filter + " " + opacity;
6847                 }
6848         };
6849 }
6850
6851 jQuery.cssHooks.marginRight = addGetHookIf( support.reliableMarginRight,
6852         function( elem, computed ) {
6853                 if ( computed ) {
6854                         // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
6855                         // Work around by temporarily setting element display to inline-block
6856                         return jQuery.swap( elem, { "display": "inline-block" },
6857                                 curCSS, [ elem, "marginRight" ] );
6858                 }
6859         }
6860 );
6861
6862 // These hooks are used by animate to expand properties
6863 jQuery.each({
6864         margin: "",
6865         padding: "",
6866         border: "Width"
6867 }, function( prefix, suffix ) {
6868         jQuery.cssHooks[ prefix + suffix ] = {
6869                 expand: function( value ) {
6870                         var i = 0,
6871                                 expanded = {},
6872
6873                                 // assumes a single number if not a string
6874                                 parts = typeof value === "string" ? value.split(" ") : [ value ];
6875
6876                         for ( ; i < 4; i++ ) {
6877                                 expanded[ prefix + cssExpand[ i ] + suffix ] =
6878                                         parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
6879                         }
6880
6881                         return expanded;
6882                 }
6883         };
6884
6885         if ( !rmargin.test( prefix ) ) {
6886                 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
6887         }
6888 });
6889
6890 jQuery.fn.extend({
6891         css: function( name, value ) {
6892                 return access( this, function( elem, name, value ) {
6893                         var styles, len,
6894                                 map = {},
6895                                 i = 0;
6896
6897                         if ( jQuery.isArray( name ) ) {
6898                                 styles = getStyles( elem );
6899                                 len = name.length;
6900
6901                                 for ( ; i < len; i++ ) {
6902                                         map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
6903                                 }
6904
6905                                 return map;
6906                         }
6907
6908                         return value !== undefined ?
6909                                 jQuery.style( elem, name, value ) :
6910                                 jQuery.css( elem, name );
6911                 }, name, value, arguments.length > 1 );
6912         },
6913         show: function() {
6914                 return showHide( this, true );
6915         },
6916         hide: function() {
6917                 return showHide( this );
6918         },
6919         toggle: function( state ) {
6920                 if ( typeof state === "boolean" ) {
6921                         return state ? this.show() : this.hide();
6922                 }
6923
6924                 return this.each(function() {
6925                         if ( isHidden( this ) ) {
6926                                 jQuery( this ).show();
6927                         } else {
6928                                 jQuery( this ).hide();
6929                         }
6930                 });
6931         }
6932 });
6933
6934
6935 function Tween( elem, options, prop, end, easing ) {
6936         return new Tween.prototype.init( elem, options, prop, end, easing );
6937 }
6938 jQuery.Tween = Tween;
6939
6940 Tween.prototype = {
6941         constructor: Tween,
6942         init: function( elem, options, prop, end, easing, unit ) {
6943                 this.elem = elem;
6944                 this.prop = prop;
6945                 this.easing = easing || "swing";
6946                 this.options = options;
6947                 this.start = this.now = this.cur();
6948                 this.end = end;
6949                 this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
6950         },
6951         cur: function() {
6952                 var hooks = Tween.propHooks[ this.prop ];
6953
6954                 return hooks && hooks.get ?
6955                         hooks.get( this ) :
6956                         Tween.propHooks._default.get( this );
6957         },
6958         run: function( percent ) {
6959                 var eased,
6960                         hooks = Tween.propHooks[ this.prop ];
6961
6962                 if ( this.options.duration ) {
6963                         this.pos = eased = jQuery.easing[ this.easing ](
6964                                 percent, this.options.duration * percent, 0, 1, this.options.duration
6965                         );
6966                 } else {
6967                         this.pos = eased = percent;
6968                 }
6969                 this.now = ( this.end - this.start ) * eased + this.start;
6970
6971                 if ( this.options.step ) {
6972                         this.options.step.call( this.elem, this.now, this );
6973                 }
6974
6975                 if ( hooks && hooks.set ) {
6976                         hooks.set( this );
6977                 } else {
6978                         Tween.propHooks._default.set( this );
6979                 }
6980                 return this;
6981         }
6982 };
6983
6984 Tween.prototype.init.prototype = Tween.prototype;
6985
6986 Tween.propHooks = {
6987         _default: {
6988                 get: function( tween ) {
6989                         var result;
6990
6991                         if ( tween.elem[ tween.prop ] != null &&
6992                                 (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
6993                                 return tween.elem[ tween.prop ];
6994                         }
6995
6996                         // passing an empty string as a 3rd parameter to .css will automatically
6997                         // attempt a parseFloat and fallback to a string if the parse fails
6998                         // so, simple values such as "10px" are parsed to Float.
6999                         // complex values such as "rotate(1rad)" are returned as is.
7000                         result = jQuery.css( tween.elem, tween.prop, "" );
7001                         // Empty strings, null, undefined and "auto" are converted to 0.
7002                         return !result || result === "auto" ? 0 : result;
7003                 },
7004                 set: function( tween ) {
7005                         // use step hook for back compat - use cssHook if its there - use .style if its
7006                         // available and use plain properties where available
7007                         if ( jQuery.fx.step[ tween.prop ] ) {
7008                                 jQuery.fx.step[ tween.prop ]( tween );
7009                         } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
7010                                 jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
7011                         } else {
7012                                 tween.elem[ tween.prop ] = tween.now;
7013                         }
7014                 }
7015         }
7016 };
7017
7018 // Support: IE <=9
7019 // Panic based approach to setting things on disconnected nodes
7020
7021 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
7022         set: function( tween ) {
7023                 if ( tween.elem.nodeType && tween.elem.parentNode ) {
7024                         tween.elem[ tween.prop ] = tween.now;
7025                 }
7026         }
7027 };
7028
7029 jQuery.easing = {
7030         linear: function( p ) {
7031                 return p;
7032         },
7033         swing: function( p ) {
7034                 return 0.5 - Math.cos( p * Math.PI ) / 2;
7035         }
7036 };
7037
7038 jQuery.fx = Tween.prototype.init;
7039
7040 // Back Compat <1.8 extension point
7041 jQuery.fx.step = {};
7042
7043
7044
7045
7046 var
7047         fxNow, timerId,
7048         rfxtypes = /^(?:toggle|show|hide)$/,
7049         rfxnum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ),
7050         rrun = /queueHooks$/,
7051         animationPrefilters = [ defaultPrefilter ],
7052         tweeners = {
7053                 "*": [ function( prop, value ) {
7054                         var tween = this.createTween( prop, value ),
7055                                 target = tween.cur(),
7056                                 parts = rfxnum.exec( value ),
7057                                 unit = parts && parts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
7058
7059                                 // Starting value computation is required for potential unit mismatches
7060                                 start = ( jQuery.cssNumber[ prop ] || unit !== "px" && +target ) &&
7061                                         rfxnum.exec( jQuery.css( tween.elem, prop ) ),
7062                                 scale = 1,
7063                                 maxIterations = 20;
7064
7065                         if ( start && start[ 3 ] !== unit ) {
7066                                 // Trust units reported by jQuery.css
7067                                 unit = unit || start[ 3 ];
7068
7069                                 // Make sure we update the tween properties later on
7070                                 parts = parts || [];
7071
7072                                 // Iteratively approximate from a nonzero starting point
7073                                 start = +target || 1;
7074
7075                                 do {
7076                                         // If previous iteration zeroed out, double until we get *something*
7077                                         // Use a string for doubling factor so we don't accidentally see scale as unchanged below
7078                                         scale = scale || ".5";
7079
7080                                         // Adjust and apply
7081                                         start = start / scale;
7082                                         jQuery.style( tween.elem, prop, start + unit );
7083
7084                                 // Update scale, tolerating zero or NaN from tween.cur()
7085                                 // And breaking the loop if scale is unchanged or perfect, or if we've just had enough
7086                                 } while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations );
7087                         }
7088
7089                         // Update tween properties
7090                         if ( parts ) {
7091                                 start = tween.start = +start || +target || 0;
7092                                 tween.unit = unit;
7093                                 // If a +=/-= token was provided, we're doing a relative animation
7094                                 tween.end = parts[ 1 ] ?
7095                                         start + ( parts[ 1 ] + 1 ) * parts[ 2 ] :
7096                                         +parts[ 2 ];
7097                         }
7098
7099                         return tween;
7100                 } ]
7101         };
7102
7103 // Animations created synchronously will run synchronously
7104 function createFxNow() {
7105         setTimeout(function() {
7106                 fxNow = undefined;
7107         });
7108         return ( fxNow = jQuery.now() );
7109 }
7110
7111 // Generate parameters to create a standard animation
7112 function genFx( type, includeWidth ) {
7113         var which,
7114                 attrs = { height: type },
7115                 i = 0;
7116
7117         // if we include width, step value is 1 to do all cssExpand values,
7118         // if we don't include width, step value is 2 to skip over Left and Right
7119         includeWidth = includeWidth ? 1 : 0;
7120         for ( ; i < 4 ; i += 2 - includeWidth ) {
7121                 which = cssExpand[ i ];
7122                 attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
7123         }
7124
7125         if ( includeWidth ) {
7126                 attrs.opacity = attrs.width = type;
7127         }
7128
7129         return attrs;
7130 }
7131
7132 function createTween( value, prop, animation ) {
7133         var tween,
7134                 collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
7135                 index = 0,
7136                 length = collection.length;
7137         for ( ; index < length; index++ ) {
7138                 if ( (tween = collection[ index ].call( animation, prop, value )) ) {
7139
7140                         // we're done with this property
7141                         return tween;
7142                 }
7143         }
7144 }
7145
7146 function defaultPrefilter( elem, props, opts ) {
7147         /* jshint validthis: true */
7148         var prop, value, toggle, tween, hooks, oldfire, display, dDisplay,
7149                 anim = this,
7150                 orig = {},
7151                 style = elem.style,
7152                 hidden = elem.nodeType && isHidden( elem ),
7153                 dataShow = jQuery._data( elem, "fxshow" );
7154
7155         // handle queue: false promises
7156         if ( !opts.queue ) {
7157                 hooks = jQuery._queueHooks( elem, "fx" );
7158                 if ( hooks.unqueued == null ) {
7159                         hooks.unqueued = 0;
7160                         oldfire = hooks.empty.fire;
7161                         hooks.empty.fire = function() {
7162                                 if ( !hooks.unqueued ) {
7163                                         oldfire();
7164                                 }
7165                         };
7166                 }
7167                 hooks.unqueued++;
7168
7169                 anim.always(function() {
7170                         // doing this makes sure that the complete handler will be called
7171                         // before this completes
7172                         anim.always(function() {
7173                                 hooks.unqueued--;
7174                                 if ( !jQuery.queue( elem, "fx" ).length ) {
7175                                         hooks.empty.fire();
7176                                 }
7177                         });
7178                 });
7179         }
7180
7181         // height/width overflow pass
7182         if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
7183                 // Make sure that nothing sneaks out
7184                 // Record all 3 overflow attributes because IE does not
7185                 // change the overflow attribute when overflowX and
7186                 // overflowY are set to the same value
7187                 opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
7188
7189                 // Set display property to inline-block for height/width
7190                 // animations on inline elements that are having width/height animated
7191                 display = jQuery.css( elem, "display" );
7192                 dDisplay = defaultDisplay( elem.nodeName );
7193                 if ( display === "none" ) {
7194                         display = dDisplay;
7195                 }
7196                 if ( display === "inline" &&
7197                                 jQuery.css( elem, "float" ) === "none" ) {
7198
7199                         // inline-level elements accept inline-block;
7200                         // block-level elements need to be inline with layout
7201                         if ( !support.inlineBlockNeedsLayout || dDisplay === "inline" ) {
7202                                 style.display = "inline-block";
7203                         } else {
7204                                 style.zoom = 1;
7205                         }
7206                 }
7207         }
7208
7209         if ( opts.overflow ) {
7210                 style.overflow = "hidden";
7211                 if ( !support.shrinkWrapBlocks() ) {
7212                         anim.always(function() {
7213                                 style.overflow = opts.overflow[ 0 ];
7214                                 style.overflowX = opts.overflow[ 1 ];
7215                                 style.overflowY = opts.overflow[ 2 ];
7216                         });
7217                 }
7218         }
7219
7220         // show/hide pass
7221         for ( prop in props ) {
7222                 value = props[ prop ];
7223                 if ( rfxtypes.exec( value ) ) {
7224                         delete props[ prop ];
7225                         toggle = toggle || value === "toggle";
7226                         if ( value === ( hidden ? "hide" : "show" ) ) {
7227
7228                                 // If there is dataShow left over from a stopped hide or show and we are going to proceed with show, we should pretend to be hidden
7229                                 if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
7230                                         hidden = true;
7231                                 } else {
7232                                         continue;
7233                                 }
7234                         }
7235                         orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
7236                 }
7237         }
7238
7239         if ( !jQuery.isEmptyObject( orig ) ) {
7240                 if ( dataShow ) {
7241                         if ( "hidden" in dataShow ) {
7242                                 hidden = dataShow.hidden;
7243                         }
7244                 } else {
7245                         dataShow = jQuery._data( elem, "fxshow", {} );
7246                 }
7247
7248                 // store state if its toggle - enables .stop().toggle() to "reverse"
7249                 if ( toggle ) {
7250                         dataShow.hidden = !hidden;
7251                 }
7252                 if ( hidden ) {
7253                         jQuery( elem ).show();
7254                 } else {
7255                         anim.done(function() {
7256                                 jQuery( elem ).hide();
7257                         });
7258                 }
7259                 anim.done(function() {
7260                         var prop;
7261                         jQuery._removeData( elem, "fxshow" );
7262                         for ( prop in orig ) {
7263                                 jQuery.style( elem, prop, orig[ prop ] );
7264                         }
7265                 });
7266                 for ( prop in orig ) {
7267                         tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
7268
7269                         if ( !( prop in dataShow ) ) {
7270                                 dataShow[ prop ] = tween.start;
7271                                 if ( hidden ) {
7272                                         tween.end = tween.start;
7273                                         tween.start = prop === "width" || prop === "height" ? 1 : 0;
7274                                 }
7275                         }
7276                 }
7277         }
7278 }
7279
7280 function propFilter( props, specialEasing ) {
7281         var index, name, easing, value, hooks;
7282
7283         // camelCase, specialEasing and expand cssHook pass
7284         for ( index in props ) {
7285                 name = jQuery.camelCase( index );
7286                 easing = specialEasing[ name ];
7287                 value = props[ index ];
7288                 if ( jQuery.isArray( value ) ) {
7289                         easing = value[ 1 ];
7290                         value = props[ index ] = value[ 0 ];
7291                 }
7292
7293                 if ( index !== name ) {
7294                         props[ name ] = value;
7295                         delete props[ index ];
7296                 }
7297
7298                 hooks = jQuery.cssHooks[ name ];
7299                 if ( hooks && "expand" in hooks ) {
7300                         value = hooks.expand( value );
7301                         delete props[ name ];
7302
7303                         // not quite $.extend, this wont overwrite keys already present.
7304                         // also - reusing 'index' from above because we have the correct "name"
7305                         for ( index in value ) {
7306                                 if ( !( index in props ) ) {
7307                                         props[ index ] = value[ index ];
7308                                         specialEasing[ index ] = easing;
7309                                 }
7310                         }
7311                 } else {
7312                         specialEasing[ name ] = easing;
7313                 }
7314         }
7315 }
7316
7317 function Animation( elem, properties, options ) {
7318         var result,
7319                 stopped,
7320                 index = 0,
7321                 length = animationPrefilters.length,
7322                 deferred = jQuery.Deferred().always( function() {
7323                         // don't match elem in the :animated selector
7324                         delete tick.elem;
7325                 }),
7326                 tick = function() {
7327                         if ( stopped ) {
7328                                 return false;
7329                         }
7330                         var currentTime = fxNow || createFxNow(),
7331                                 remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
7332                                 // archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
7333                                 temp = remaining / animation.duration || 0,
7334                                 percent = 1 - temp,
7335                                 index = 0,
7336                                 length = animation.tweens.length;
7337
7338                         for ( ; index < length ; index++ ) {
7339                                 animation.tweens[ index ].run( percent );
7340                         }
7341
7342                         deferred.notifyWith( elem, [ animation, percent, remaining ]);
7343
7344                         if ( percent < 1 && length ) {
7345                                 return remaining;
7346                         } else {
7347                                 deferred.resolveWith( elem, [ animation ] );
7348                                 return false;
7349                         }
7350                 },
7351                 animation = deferred.promise({
7352                         elem: elem,
7353                         props: jQuery.extend( {}, properties ),
7354                         opts: jQuery.extend( true, { specialEasing: {} }, options ),
7355                         originalProperties: properties,
7356                         originalOptions: options,
7357                         startTime: fxNow || createFxNow(),
7358                         duration: options.duration,
7359                         tweens: [],
7360                         createTween: function( prop, end ) {
7361                                 var tween = jQuery.Tween( elem, animation.opts, prop, end,
7362                                                 animation.opts.specialEasing[ prop ] || animation.opts.easing );
7363                                 animation.tweens.push( tween );
7364                                 return tween;
7365                         },
7366                         stop: function( gotoEnd ) {
7367                                 var index = 0,
7368                                         // if we are going to the end, we want to run all the tweens
7369                                         // otherwise we skip this part
7370                                         length = gotoEnd ? animation.tweens.length : 0;
7371                                 if ( stopped ) {
7372                                         return this;
7373                                 }
7374                                 stopped = true;
7375                                 for ( ; index < length ; index++ ) {
7376                                         animation.tweens[ index ].run( 1 );
7377                                 }
7378
7379                                 // resolve when we played the last frame
7380                                 // otherwise, reject
7381                                 if ( gotoEnd ) {
7382                                         deferred.resolveWith( elem, [ animation, gotoEnd ] );
7383                                 } else {
7384                                         deferred.rejectWith( elem, [ animation, gotoEnd ] );
7385                                 }
7386                                 return this;
7387                         }
7388                 }),
7389                 props = animation.props;
7390
7391         propFilter( props, animation.opts.specialEasing );
7392
7393         for ( ; index < length ; index++ ) {
7394                 result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
7395                 if ( result ) {
7396                         return result;
7397                 }
7398         }
7399
7400         jQuery.map( props, createTween, animation );
7401
7402         if ( jQuery.isFunction( animation.opts.start ) ) {
7403                 animation.opts.start.call( elem, animation );
7404         }
7405
7406         jQuery.fx.timer(
7407                 jQuery.extend( tick, {
7408                         elem: elem,
7409                         anim: animation,
7410                         queue: animation.opts.queue
7411                 })
7412         );
7413
7414         // attach callbacks from options
7415         return animation.progress( animation.opts.progress )
7416                 .done( animation.opts.done, animation.opts.complete )
7417                 .fail( animation.opts.fail )
7418                 .always( animation.opts.always );
7419 }
7420
7421 jQuery.Animation = jQuery.extend( Animation, {
7422         tweener: function( props, callback ) {
7423                 if ( jQuery.isFunction( props ) ) {
7424                         callback = props;
7425                         props = [ "*" ];
7426                 } else {
7427                         props = props.split(" ");
7428                 }
7429
7430                 var prop,
7431                         index = 0,
7432                         length = props.length;
7433
7434                 for ( ; index < length ; index++ ) {
7435                         prop = props[ index ];
7436                         tweeners[ prop ] = tweeners[ prop ] || [];
7437                         tweeners[ prop ].unshift( callback );
7438                 }
7439         },
7440
7441         prefilter: function( callback, prepend ) {
7442                 if ( prepend ) {
7443                         animationPrefilters.unshift( callback );
7444                 } else {
7445                         animationPrefilters.push( callback );
7446                 }
7447         }
7448 });
7449
7450 jQuery.speed = function( speed, easing, fn ) {
7451         var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
7452                 complete: fn || !fn && easing ||
7453                         jQuery.isFunction( speed ) && speed,
7454                 duration: speed,
7455                 easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
7456         };
7457
7458         opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
7459                 opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
7460
7461         // normalize opt.queue - true/undefined/null -> "fx"
7462         if ( opt.queue == null || opt.queue === true ) {
7463                 opt.queue = "fx";
7464         }
7465
7466         // Queueing
7467         opt.old = opt.complete;
7468
7469         opt.complete = function() {
7470                 if ( jQuery.isFunction( opt.old ) ) {
7471                         opt.old.call( this );
7472                 }
7473
7474                 if ( opt.queue ) {
7475                         jQuery.dequeue( this, opt.queue );
7476                 }
7477         };
7478
7479         return opt;
7480 };
7481
7482 jQuery.fn.extend({
7483         fadeTo: function( speed, to, easing, callback ) {
7484
7485                 // show any hidden elements after setting opacity to 0
7486                 return this.filter( isHidden ).css( "opacity", 0 ).show()
7487
7488                         // animate to the value specified
7489                         .end().animate({ opacity: to }, speed, easing, callback );
7490         },
7491         animate: function( prop, speed, easing, callback ) {
7492                 var empty = jQuery.isEmptyObject( prop ),
7493                         optall = jQuery.speed( speed, easing, callback ),
7494                         doAnimation = function() {
7495                                 // Operate on a copy of prop so per-property easing won't be lost
7496                                 var anim = Animation( this, jQuery.extend( {}, prop ), optall );
7497
7498                                 // Empty animations, or finishing resolves immediately
7499                                 if ( empty || jQuery._data( this, "finish" ) ) {
7500                                         anim.stop( true );
7501                                 }
7502                         };
7503                         doAnimation.finish = doAnimation;
7504
7505                 return empty || optall.queue === false ?
7506                         this.each( doAnimation ) :
7507                         this.queue( optall.queue, doAnimation );
7508         },
7509         stop: function( type, clearQueue, gotoEnd ) {
7510                 var stopQueue = function( hooks ) {
7511                         var stop = hooks.stop;
7512                         delete hooks.stop;
7513                         stop( gotoEnd );
7514                 };
7515
7516                 if ( typeof type !== "string" ) {
7517                         gotoEnd = clearQueue;
7518                         clearQueue = type;
7519                         type = undefined;
7520                 }
7521                 if ( clearQueue && type !== false ) {
7522                         this.queue( type || "fx", [] );
7523                 }
7524
7525                 return this.each(function() {
7526                         var dequeue = true,
7527                                 index = type != null && type + "queueHooks",
7528                                 timers = jQuery.timers,
7529                                 data = jQuery._data( this );
7530
7531                         if ( index ) {
7532                                 if ( data[ index ] && data[ index ].stop ) {
7533                                         stopQueue( data[ index ] );
7534                                 }
7535                         } else {
7536                                 for ( index in data ) {
7537                                         if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
7538                                                 stopQueue( data[ index ] );
7539                                         }
7540                                 }
7541                         }
7542
7543                         for ( index = timers.length; index--; ) {
7544                                 if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
7545                                         timers[ index ].anim.stop( gotoEnd );
7546                                         dequeue = false;
7547                                         timers.splice( index, 1 );
7548                                 }
7549                         }
7550
7551                         // start the next in the queue if the last step wasn't forced
7552                         // timers currently will call their complete callbacks, which will dequeue
7553                         // but only if they were gotoEnd
7554                         if ( dequeue || !gotoEnd ) {
7555                                 jQuery.dequeue( this, type );
7556                         }
7557                 });
7558         },
7559         finish: function( type ) {
7560                 if ( type !== false ) {
7561                         type = type || "fx";
7562                 }
7563                 return this.each(function() {
7564                         var index,
7565                                 data = jQuery._data( this ),
7566                                 queue = data[ type + "queue" ],
7567                                 hooks = data[ type + "queueHooks" ],
7568                                 timers = jQuery.timers,
7569                                 length = queue ? queue.length : 0;
7570
7571                         // enable finishing flag on private data
7572                         data.finish = true;
7573
7574                         // empty the queue first
7575                         jQuery.queue( this, type, [] );
7576
7577                         if ( hooks && hooks.stop ) {
7578                                 hooks.stop.call( this, true );
7579                         }
7580
7581                         // look for any active animations, and finish them
7582                         for ( index = timers.length; index--; ) {
7583                                 if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
7584                                         timers[ index ].anim.stop( true );
7585                                         timers.splice( index, 1 );
7586                                 }
7587                         }
7588
7589                         // look for any animations in the old queue and finish them
7590                         for ( index = 0; index < length; index++ ) {
7591                                 if ( queue[ index ] && queue[ index ].finish ) {
7592                                         queue[ index ].finish.call( this );
7593                                 }
7594                         }
7595
7596                         // turn off finishing flag
7597                         delete data.finish;
7598                 });
7599         }
7600 });
7601
7602 jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
7603         var cssFn = jQuery.fn[ name ];
7604         jQuery.fn[ name ] = function( speed, easing, callback ) {
7605                 return speed == null || typeof speed === "boolean" ?
7606                         cssFn.apply( this, arguments ) :
7607                         this.animate( genFx( name, true ), speed, easing, callback );
7608         };
7609 });
7610
7611 // Generate shortcuts for custom animations
7612 jQuery.each({
7613         slideDown: genFx("show"),
7614         slideUp: genFx("hide"),
7615         slideToggle: genFx("toggle"),
7616         fadeIn: { opacity: "show" },
7617         fadeOut: { opacity: "hide" },
7618         fadeToggle: { opacity: "toggle" }
7619 }, function( name, props ) {
7620         jQuery.fn[ name ] = function( speed, easing, callback ) {
7621                 return this.animate( props, speed, easing, callback );
7622         };
7623 });
7624
7625 jQuery.timers = [];
7626 jQuery.fx.tick = function() {
7627         var timer,
7628                 timers = jQuery.timers,
7629                 i = 0;
7630
7631         fxNow = jQuery.now();
7632
7633         for ( ; i < timers.length; i++ ) {
7634                 timer = timers[ i ];
7635                 // Checks the timer has not already been removed
7636                 if ( !timer() && timers[ i ] === timer ) {
7637                         timers.splice( i--, 1 );
7638                 }
7639         }
7640
7641         if ( !timers.length ) {
7642                 jQuery.fx.stop();
7643         }
7644         fxNow = undefined;
7645 };
7646
7647 jQuery.fx.timer = function( timer ) {
7648         jQuery.timers.push( timer );
7649         if ( timer() ) {
7650                 jQuery.fx.start();
7651         } else {
7652                 jQuery.timers.pop();
7653         }
7654 };
7655
7656 jQuery.fx.interval = 13;
7657
7658 jQuery.fx.start = function() {
7659         if ( !timerId ) {
7660                 timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
7661         }
7662 };
7663
7664 jQuery.fx.stop = function() {
7665         clearInterval( timerId );
7666         timerId = null;
7667 };
7668
7669 jQuery.fx.speeds = {
7670         slow: 600,
7671         fast: 200,
7672         // Default speed
7673         _default: 400
7674 };
7675
7676
7677 // Based off of the plugin by Clint Helfers, with permission.
7678 // http://blindsignals.com/index.php/2009/07/jquery-delay/
7679 jQuery.fn.delay = function( time, type ) {
7680         time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
7681         type = type || "fx";
7682
7683         return this.queue( type, function( next, hooks ) {
7684                 var timeout = setTimeout( next, time );
7685                 hooks.stop = function() {
7686                         clearTimeout( timeout );
7687                 };
7688         });
7689 };
7690
7691
7692 (function() {
7693         var a, input, select, opt,
7694                 div = document.createElement("div" );
7695
7696         // Setup
7697         div.setAttribute( "className", "t" );
7698         div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
7699         a = div.getElementsByTagName("a")[ 0 ];
7700
7701         // First batch of tests.
7702         select = document.createElement("select");
7703         opt = select.appendChild( document.createElement("option") );
7704         input = div.getElementsByTagName("input")[ 0 ];
7705
7706         a.style.cssText = "top:1px";
7707
7708         // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
7709         support.getSetAttribute = div.className !== "t";
7710
7711         // Get the style information from getAttribute
7712         // (IE uses .cssText instead)
7713         support.style = /top/.test( a.getAttribute("style") );
7714
7715         // Make sure that URLs aren't manipulated
7716         // (IE normalizes it by default)
7717         support.hrefNormalized = a.getAttribute("href") === "/a";
7718
7719         // Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
7720         support.checkOn = !!input.value;
7721
7722         // Make sure that a selected-by-default option has a working selected property.
7723         // (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
7724         support.optSelected = opt.selected;
7725
7726         // Tests for enctype support on a form (#6743)
7727         support.enctype = !!document.createElement("form").enctype;
7728
7729         // Make sure that the options inside disabled selects aren't marked as disabled
7730         // (WebKit marks them as disabled)
7731         select.disabled = true;
7732         support.optDisabled = !opt.disabled;
7733
7734         // Support: IE8 only
7735         // Check if we can trust getAttribute("value")
7736         input = document.createElement( "input" );
7737         input.setAttribute( "value", "" );
7738         support.input = input.getAttribute( "value" ) === "";
7739
7740         // Check if an input maintains its value after becoming a radio
7741         input.value = "t";
7742         input.setAttribute( "type", "radio" );
7743         support.radioValue = input.value === "t";
7744
7745         // Null elements to avoid leaks in IE.
7746         a = input = select = opt = div = null;
7747 })();
7748
7749
7750 var rreturn = /\r/g;
7751
7752 jQuery.fn.extend({
7753         val: function( value ) {
7754                 var hooks, ret, isFunction,
7755                         elem = this[0];
7756
7757                 if ( !arguments.length ) {
7758                         if ( elem ) {
7759                                 hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
7760
7761                                 if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
7762                                         return ret;
7763                                 }
7764
7765                                 ret = elem.value;
7766
7767                                 return typeof ret === "string" ?
7768                                         // handle most common string cases
7769                                         ret.replace(rreturn, "") :
7770                                         // handle cases where value is null/undef or number
7771                                         ret == null ? "" : ret;
7772                         }
7773
7774                         return;
7775                 }
7776
7777                 isFunction = jQuery.isFunction( value );
7778
7779                 return this.each(function( i ) {
7780                         var val;
7781
7782                         if ( this.nodeType !== 1 ) {
7783                                 return;
7784                         }
7785
7786                         if ( isFunction ) {
7787                                 val = value.call( this, i, jQuery( this ).val() );
7788                         } else {
7789                                 val = value;
7790                         }
7791
7792                         // Treat null/undefined as ""; convert numbers to string
7793                         if ( val == null ) {
7794                                 val = "";
7795                         } else if ( typeof val === "number" ) {
7796                                 val += "";
7797                         } else if ( jQuery.isArray( val ) ) {
7798                                 val = jQuery.map( val, function( value ) {
7799                                         return value == null ? "" : value + "";
7800                                 });
7801                         }
7802
7803                         hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
7804
7805                         // If set returns undefined, fall back to normal setting
7806                         if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
7807                                 this.value = val;
7808                         }
7809                 });
7810         }
7811 });
7812
7813 jQuery.extend({
7814         valHooks: {
7815                 option: {
7816                         get: function( elem ) {
7817                                 var val = jQuery.find.attr( elem, "value" );
7818                                 return val != null ?
7819                                         val :
7820                                         jQuery.text( elem );
7821                         }
7822                 },
7823                 select: {
7824                         get: function( elem ) {
7825                                 var value, option,
7826                                         options = elem.options,
7827                                         index = elem.selectedIndex,
7828                                         one = elem.type === "select-one" || index < 0,
7829                                         values = one ? null : [],
7830                                         max = one ? index + 1 : options.length,
7831                                         i = index < 0 ?
7832                                                 max :
7833                                                 one ? index : 0;
7834
7835                                 // Loop through all the selected options
7836                                 for ( ; i < max; i++ ) {
7837                                         option = options[ i ];
7838
7839                                         // oldIE doesn't update selected after form reset (#2551)
7840                                         if ( ( option.selected || i === index ) &&
7841                                                         // Don't return options that are disabled or in a disabled optgroup
7842                                                         ( support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) &&
7843                                                         ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
7844
7845                                                 // Get the specific value for the option
7846                                                 value = jQuery( option ).val();
7847
7848                                                 // We don't need an array for one selects
7849                                                 if ( one ) {
7850                                                         return value;
7851                                                 }
7852
7853                                                 // Multi-Selects return an array
7854                                                 values.push( value );
7855                                         }
7856                                 }
7857
7858                                 return values;
7859                         },
7860
7861                         set: function( elem, value ) {
7862                                 var optionSet, option,
7863                                         options = elem.options,
7864                                         values = jQuery.makeArray( value ),
7865                                         i = options.length;
7866
7867                                 while ( i-- ) {
7868                                         option = options[ i ];
7869
7870                                         if ( jQuery.inArray( jQuery.valHooks.option.get( option ), values ) >= 0 ) {
7871
7872                                                 // Support: IE6
7873                                                 // When new option element is added to select box we need to
7874                                                 // force reflow of newly added node in order to workaround delay
7875                                                 // of initialization properties
7876                                                 try {
7877                                                         option.selected = optionSet = true;
7878
7879                                                 } catch ( _ ) {
7880
7881                                                         // Will be executed only in IE6
7882                                                         option.scrollHeight;
7883                                                 }
7884
7885                                         } else {
7886                                                 option.selected = false;
7887                                         }
7888                                 }
7889
7890                                 // Force browsers to behave consistently when non-matching value is set
7891                                 if ( !optionSet ) {
7892                                         elem.selectedIndex = -1;
7893                                 }
7894
7895                                 return options;
7896                         }
7897                 }
7898         }
7899 });
7900
7901 // Radios and checkboxes getter/setter
7902 jQuery.each([ "radio", "checkbox" ], function() {
7903         jQuery.valHooks[ this ] = {
7904                 set: function( elem, value ) {
7905                         if ( jQuery.isArray( value ) ) {
7906                                 return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
7907                         }
7908                 }
7909         };
7910         if ( !support.checkOn ) {
7911                 jQuery.valHooks[ this ].get = function( elem ) {
7912                         // Support: Webkit
7913                         // "" is returned instead of "on" if a value isn't specified
7914                         return elem.getAttribute("value") === null ? "on" : elem.value;
7915                 };
7916         }
7917 });
7918
7919
7920
7921
7922 var nodeHook, boolHook,
7923         attrHandle = jQuery.expr.attrHandle,
7924         ruseDefault = /^(?:checked|selected)$/i,
7925         getSetAttribute = support.getSetAttribute,
7926         getSetInput = support.input;
7927
7928 jQuery.fn.extend({
7929         attr: function( name, value ) {
7930                 return access( this, jQuery.attr, name, value, arguments.length > 1 );
7931         },
7932
7933         removeAttr: function( name ) {
7934                 return this.each(function() {
7935                         jQuery.removeAttr( this, name );
7936                 });
7937         }
7938 });
7939
7940 jQuery.extend({
7941         attr: function( elem, name, value ) {
7942                 var hooks, ret,
7943                         nType = elem.nodeType;
7944
7945                 // don't get/set attributes on text, comment and attribute nodes
7946                 if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
7947                         return;
7948                 }
7949
7950                 // Fallback to prop when attributes are not supported
7951                 if ( typeof elem.getAttribute === strundefined ) {
7952                         return jQuery.prop( elem, name, value );
7953                 }
7954
7955                 // All attributes are lowercase
7956                 // Grab necessary hook if one is defined
7957                 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7958                         name = name.toLowerCase();
7959                         hooks = jQuery.attrHooks[ name ] ||
7960                                 ( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook );
7961                 }
7962
7963                 if ( value !== undefined ) {
7964
7965                         if ( value === null ) {
7966                                 jQuery.removeAttr( elem, name );
7967
7968                         } else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
7969                                 return ret;
7970
7971                         } else {
7972                                 elem.setAttribute( name, value + "" );
7973                                 return value;
7974                         }
7975
7976                 } else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
7977                         return ret;
7978
7979                 } else {
7980                         ret = jQuery.find.attr( elem, name );
7981
7982                         // Non-existent attributes return null, we normalize to undefined
7983                         return ret == null ?
7984                                 undefined :
7985                                 ret;
7986                 }
7987         },
7988
7989         removeAttr: function( elem, value ) {
7990                 var name, propName,
7991                         i = 0,
7992                         attrNames = value && value.match( rnotwhite );
7993
7994                 if ( attrNames && elem.nodeType === 1 ) {
7995                         while ( (name = attrNames[i++]) ) {
7996                                 propName = jQuery.propFix[ name ] || name;
7997
7998                                 // Boolean attributes get special treatment (#10870)
7999                                 if ( jQuery.expr.match.bool.test( name ) ) {
8000                                         // Set corresponding property to false
8001                                         if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
8002                                                 elem[ propName ] = false;
8003                                         // Support: IE<9
8004                                         // Also clear defaultChecked/defaultSelected (if appropriate)
8005                                         } else {
8006                                                 elem[ jQuery.camelCase( "default-" + name ) ] =
8007                                                         elem[ propName ] = false;
8008                                         }
8009
8010                                 // See #9699 for explanation of this approach (setting first, then removal)
8011                                 } else {
8012                                         jQuery.attr( elem, name, "" );
8013                                 }
8014
8015                                 elem.removeAttribute( getSetAttribute ? name : propName );
8016                         }
8017                 }
8018         },
8019
8020         attrHooks: {
8021                 type: {
8022                         set: function( elem, value ) {
8023                                 if ( !support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) {
8024                                         // Setting the type on a radio button after the value resets the value in IE6-9
8025                                         // Reset value to default in case type is set after value during creation
8026                                         var val = elem.value;
8027                                         elem.setAttribute( "type", value );
8028                                         if ( val ) {
8029                                                 elem.value = val;
8030                                         }
8031                                         return value;
8032                                 }
8033                         }
8034                 }
8035         }
8036 });
8037
8038 // Hook for boolean attributes
8039 boolHook = {
8040         set: function( elem, value, name ) {
8041                 if ( value === false ) {
8042                         // Remove boolean attributes when set to false
8043                         jQuery.removeAttr( elem, name );
8044                 } else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
8045                         // IE<8 needs the *property* name
8046                         elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );
8047
8048                 // Use defaultChecked and defaultSelected for oldIE
8049                 } else {
8050                         elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true;
8051                 }
8052
8053                 return name;
8054         }
8055 };
8056
8057 // Retrieve booleans specially
8058 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
8059
8060         var getter = attrHandle[ name ] || jQuery.find.attr;
8061
8062         attrHandle[ name ] = getSetInput && getSetAttribute || !ruseDefault.test( name ) ?
8063                 function( elem, name, isXML ) {
8064                         var ret, handle;
8065                         if ( !isXML ) {
8066                                 // Avoid an infinite loop by temporarily removing this function from the getter
8067                                 handle = attrHandle[ name ];
8068                                 attrHandle[ name ] = ret;
8069                                 ret = getter( elem, name, isXML ) != null ?
8070                                         name.toLowerCase() :
8071                                         null;
8072                                 attrHandle[ name ] = handle;
8073                         }
8074                         return ret;
8075                 } :
8076                 function( elem, name, isXML ) {
8077                         if ( !isXML ) {
8078                                 return elem[ jQuery.camelCase( "default-" + name ) ] ?
8079                                         name.toLowerCase() :
8080                                         null;
8081                         }
8082                 };
8083 });
8084
8085 // fix oldIE attroperties
8086 if ( !getSetInput || !getSetAttribute ) {
8087         jQuery.attrHooks.value = {
8088                 set: function( elem, value, name ) {
8089                         if ( jQuery.nodeName( elem, "input" ) ) {
8090                                 // Does not return so that setAttribute is also used
8091                                 elem.defaultValue = value;
8092                         } else {
8093                                 // Use nodeHook if defined (#1954); otherwise setAttribute is fine
8094                                 return nodeHook && nodeHook.set( elem, value, name );
8095                         }
8096                 }
8097         };
8098 }
8099
8100 // IE6/7 do not support getting/setting some attributes with get/setAttribute
8101 if ( !getSetAttribute ) {
8102
8103         // Use this for any attribute in IE6/7
8104         // This fixes almost every IE6/7 issue
8105         nodeHook = {
8106                 set: function( elem, value, name ) {
8107                         // Set the existing or create a new attribute node
8108                         var ret = elem.getAttributeNode( name );
8109                         if ( !ret ) {
8110                                 elem.setAttributeNode(
8111                                         (ret = elem.ownerDocument.createAttribute( name ))
8112                                 );
8113                         }
8114
8115                         ret.value = value += "";
8116
8117                         // Break association with cloned elements by also using setAttribute (#9646)
8118                         if ( name === "value" || value === elem.getAttribute( name ) ) {
8119                                 return value;
8120                         }
8121                 }
8122         };
8123
8124         // Some attributes are constructed with empty-string values when not defined
8125         attrHandle.id = attrHandle.name = attrHandle.coords =
8126                 function( elem, name, isXML ) {
8127                         var ret;
8128                         if ( !isXML ) {
8129                                 return (ret = elem.getAttributeNode( name )) && ret.value !== "" ?
8130                                         ret.value :
8131                                         null;
8132                         }
8133                 };
8134
8135         // Fixing value retrieval on a button requires this module
8136         jQuery.valHooks.button = {
8137                 get: function( elem, name ) {
8138                         var ret = elem.getAttributeNode( name );
8139                         if ( ret && ret.specified ) {
8140                                 return ret.value;
8141                         }
8142                 },
8143                 set: nodeHook.set
8144         };
8145
8146         // Set contenteditable to false on removals(#10429)
8147         // Setting to empty string throws an error as an invalid value
8148         jQuery.attrHooks.contenteditable = {
8149                 set: function( elem, value, name ) {
8150                         nodeHook.set( elem, value === "" ? false : value, name );
8151                 }
8152         };
8153
8154         // Set width and height to auto instead of 0 on empty string( Bug #8150 )
8155         // This is for removals
8156         jQuery.each([ "width", "height" ], function( i, name ) {
8157                 jQuery.attrHooks[ name ] = {
8158                         set: function( elem, value ) {
8159                                 if ( value === "" ) {
8160                                         elem.setAttribute( name, "auto" );
8161                                         return value;
8162                                 }
8163                         }
8164                 };
8165         });
8166 }
8167
8168 if ( !support.style ) {
8169         jQuery.attrHooks.style = {
8170                 get: function( elem ) {
8171                         // Return undefined in the case of empty string
8172                         // Note: IE uppercases css property names, but if we were to .toLowerCase()
8173                         // .cssText, that would destroy case senstitivity in URL's, like in "background"
8174                         return elem.style.cssText || undefined;
8175                 },
8176                 set: function( elem, value ) {
8177                         return ( elem.style.cssText = value + "" );
8178                 }
8179         };
8180 }
8181
8182
8183
8184
8185 var rfocusable = /^(?:input|select|textarea|button|object)$/i,
8186         rclickable = /^(?:a|area)$/i;
8187
8188 jQuery.fn.extend({
8189         prop: function( name, value ) {
8190                 return access( this, jQuery.prop, name, value, arguments.length > 1 );
8191         },
8192
8193         removeProp: function( name ) {
8194                 name = jQuery.propFix[ name ] || name;
8195                 return this.each(function() {
8196                         // try/catch handles cases where IE balks (such as removing a property on window)
8197                         try {
8198                                 this[ name ] = undefined;
8199                                 delete this[ name ];
8200                         } catch( e ) {}
8201                 });
8202         }
8203 });
8204
8205 jQuery.extend({
8206         propFix: {
8207                 "for": "htmlFor",
8208                 "class": "className"
8209         },
8210
8211         prop: function( elem, name, value ) {
8212                 var ret, hooks, notxml,
8213                         nType = elem.nodeType;
8214
8215                 // don't get/set properties on text, comment and attribute nodes
8216                 if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
8217                         return;
8218                 }
8219
8220                 notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
8221
8222                 if ( notxml ) {
8223                         // Fix name and attach hooks
8224                         name = jQuery.propFix[ name ] || name;
8225                         hooks = jQuery.propHooks[ name ];
8226                 }
8227
8228                 if ( value !== undefined ) {
8229                         return hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ?
8230                                 ret :
8231                                 ( elem[ name ] = value );
8232
8233                 } else {
8234                         return hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ?
8235                                 ret :
8236                                 elem[ name ];
8237                 }
8238         },
8239
8240         propHooks: {
8241                 tabIndex: {
8242                         get: function( elem ) {
8243                                 // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
8244                                 // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
8245                                 // Use proper attribute retrieval(#12072)
8246                                 var tabindex = jQuery.find.attr( elem, "tabindex" );
8247
8248                                 return tabindex ?
8249                                         parseInt( tabindex, 10 ) :
8250                                         rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
8251                                                 0 :
8252                                                 -1;
8253                         }
8254                 }
8255         }
8256 });
8257
8258 // Some attributes require a special call on IE
8259 // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
8260 if ( !support.hrefNormalized ) {
8261         // href/src property should get the full normalized URL (#10299/#12915)
8262         jQuery.each([ "href", "src" ], function( i, name ) {
8263                 jQuery.propHooks[ name ] = {
8264                         get: function( elem ) {
8265                                 return elem.getAttribute( name, 4 );
8266                         }
8267                 };
8268         });
8269 }
8270
8271 // Support: Safari, IE9+
8272 // mis-reports the default selected property of an option
8273 // Accessing the parent's selectedIndex property fixes it
8274 if ( !support.optSelected ) {
8275         jQuery.propHooks.selected = {
8276                 get: function( elem ) {
8277                         var parent = elem.parentNode;
8278
8279                         if ( parent ) {
8280                                 parent.selectedIndex;
8281
8282                                 // Make sure that it also works with optgroups, see #5701
8283                                 if ( parent.parentNode ) {
8284                                         parent.parentNode.selectedIndex;
8285                                 }
8286                         }
8287                         return null;
8288                 }
8289         };
8290 }
8291
8292 jQuery.each([
8293         "tabIndex",
8294         "readOnly",
8295         "maxLength",
8296         "cellSpacing",
8297         "cellPadding",
8298         "rowSpan",
8299         "colSpan",
8300         "useMap",
8301         "frameBorder",
8302         "contentEditable"
8303 ], function() {
8304         jQuery.propFix[ this.toLowerCase() ] = this;
8305 });
8306
8307 // IE6/7 call enctype encoding
8308 if ( !support.enctype ) {
8309         jQuery.propFix.enctype = "encoding";
8310 }
8311
8312
8313
8314
8315 var rclass = /[\t\r\n\f]/g;
8316
8317 jQuery.fn.extend({
8318         addClass: function( value ) {
8319                 var classes, elem, cur, clazz, j, finalValue,
8320                         i = 0,
8321                         len = this.length,
8322                         proceed = typeof value === "string" && value;
8323
8324                 if ( jQuery.isFunction( value ) ) {
8325                         return this.each(function( j ) {
8326                                 jQuery( this ).addClass( value.call( this, j, this.className ) );
8327                         });
8328                 }
8329
8330                 if ( proceed ) {
8331                         // The disjunction here is for better compressibility (see removeClass)
8332                         classes = ( value || "" ).match( rnotwhite ) || [];
8333
8334                         for ( ; i < len; i++ ) {
8335                                 elem = this[ i ];
8336                                 cur = elem.nodeType === 1 && ( elem.className ?
8337                                         ( " " + elem.className + " " ).replace( rclass, " " ) :
8338                                         " "
8339                                 );
8340
8341                                 if ( cur ) {
8342                                         j = 0;
8343                                         while ( (clazz = classes[j++]) ) {
8344                                                 if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
8345                                                         cur += clazz + " ";
8346                                                 }
8347                                         }
8348
8349                                         // only assign if different to avoid unneeded rendering.
8350                                         finalValue = jQuery.trim( cur );
8351                                         if ( elem.className !== finalValue ) {
8352                                                 elem.className = finalValue;
8353                                         }
8354                                 }
8355                         }
8356                 }
8357
8358                 return this;
8359         },
8360
8361         removeClass: function( value ) {
8362                 var classes, elem, cur, clazz, j, finalValue,
8363                         i = 0,
8364                         len = this.length,
8365                         proceed = arguments.length === 0 || typeof value === "string" && value;
8366
8367                 if ( jQuery.isFunction( value ) ) {
8368                         return this.each(function( j ) {
8369                                 jQuery( this ).removeClass( value.call( this, j, this.className ) );
8370                         });
8371                 }
8372                 if ( proceed ) {
8373                         classes = ( value || "" ).match( rnotwhite ) || [];
8374
8375                         for ( ; i < len; i++ ) {
8376                                 elem = this[ i ];
8377                                 // This expression is here for better compressibility (see addClass)
8378                                 cur = elem.nodeType === 1 && ( elem.className ?
8379                                         ( " " + elem.className + " " ).replace( rclass, " " ) :
8380                                         ""
8381                                 );
8382
8383                                 if ( cur ) {
8384                                         j = 0;
8385                                         while ( (clazz = classes[j++]) ) {
8386                                                 // Remove *all* instances
8387                                                 while ( cur.indexOf( " " + clazz + " " ) >= 0 ) {
8388                                                         cur = cur.replace( " " + clazz + " ", " " );
8389                                                 }
8390                                         }
8391
8392                                         // only assign if different to avoid unneeded rendering.
8393                                         finalValue = value ? jQuery.trim( cur ) : "";
8394                                         if ( elem.className !== finalValue ) {
8395                                                 elem.className = finalValue;
8396                                         }
8397                                 }
8398                         }
8399                 }
8400
8401                 return this;
8402         },
8403
8404         toggleClass: function( value, stateVal ) {
8405                 var type = typeof value;
8406
8407                 if ( typeof stateVal === "boolean" && type === "string" ) {
8408                         return stateVal ? this.addClass( value ) : this.removeClass( value );
8409                 }
8410
8411                 if ( jQuery.isFunction( value ) ) {
8412                         return this.each(function( i ) {
8413                                 jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
8414                         });
8415                 }
8416
8417                 return this.each(function() {
8418                         if ( type === "string" ) {
8419                                 // toggle individual class names
8420                                 var className,
8421                                         i = 0,
8422                                         self = jQuery( this ),
8423                                         classNames = value.match( rnotwhite ) || [];
8424
8425                                 while ( (className = classNames[ i++ ]) ) {
8426                                         // check each className given, space separated list
8427                                         if ( self.hasClass( className ) ) {
8428                                                 self.removeClass( className );
8429                                         } else {
8430                                                 self.addClass( className );
8431                                         }
8432                                 }
8433
8434                         // Toggle whole class name
8435                         } else if ( type === strundefined || type === "boolean" ) {
8436                                 if ( this.className ) {
8437                                         // store className if set
8438                                         jQuery._data( this, "__className__", this.className );
8439                                 }
8440
8441                                 // If the element has a class name or if we're passed "false",
8442                                 // then remove the whole classname (if there was one, the above saved it).
8443                                 // Otherwise bring back whatever was previously saved (if anything),
8444                                 // falling back to the empty string if nothing was stored.
8445                                 this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || "";
8446                         }
8447                 });
8448         },
8449
8450         hasClass: function( selector ) {
8451                 var className = " " + selector + " ",
8452                         i = 0,
8453                         l = this.length;
8454                 for ( ; i < l; i++ ) {
8455                         if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) {
8456                                 return true;
8457                         }
8458                 }
8459
8460                 return false;
8461         }
8462 });
8463
8464
8465
8466
8467 // Return jQuery for attributes-only inclusion
8468
8469
8470 jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
8471         "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
8472         "change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {
8473
8474         // Handle event binding
8475         jQuery.fn[ name ] = function( data, fn ) {
8476                 return arguments.length > 0 ?
8477                         this.on( name, null, data, fn ) :
8478                         this.trigger( name );
8479         };
8480 });
8481
8482 jQuery.fn.extend({
8483         hover: function( fnOver, fnOut ) {
8484                 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
8485         },
8486
8487         bind: function( types, data, fn ) {
8488                 return this.on( types, null, data, fn );
8489         },
8490         unbind: function( types, fn ) {
8491                 return this.off( types, null, fn );
8492         },
8493
8494         delegate: function( selector, types, data, fn ) {
8495                 return this.on( types, selector, data, fn );
8496         },
8497         undelegate: function( selector, types, fn ) {
8498                 // ( namespace ) or ( selector, types [, fn] )
8499                 return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn );
8500         }
8501 });
8502
8503
8504 var nonce = jQuery.now();
8505
8506 var rquery = (/\?/);
8507
8508
8509
8510 var rvalidtokens = /(,)|(\[|{)|(}|])|"(?:[^"\\\r\n]|\\["\\\/bfnrt]|\\u[\da-fA-F]{4})*"\s*:?|true|false|null|-?(?!0\d)\d+(?:\.\d+|)(?:[eE][+-]?\d+|)/g;
8511
8512 jQuery.parseJSON = function( data ) {
8513         // Attempt to parse using the native JSON parser first
8514         if ( window.JSON && window.JSON.parse ) {
8515                 // Support: Android 2.3
8516                 // Workaround failure to string-cast null input
8517                 return window.JSON.parse( data + "" );
8518         }
8519
8520         var requireNonComma,
8521                 depth = null,
8522                 str = jQuery.trim( data + "" );
8523
8524         // Guard against invalid (and possibly dangerous) input by ensuring that nothing remains
8525         // after removing valid tokens
8526         return str && !jQuery.trim( str.replace( rvalidtokens, function( token, comma, open, close ) {
8527
8528                 // Force termination if we see a misplaced comma
8529                 if ( requireNonComma && comma ) {
8530                         depth = 0;
8531                 }
8532
8533                 // Perform no more replacements after returning to outermost depth
8534                 if ( depth === 0 ) {
8535                         return token;
8536                 }
8537
8538                 // Commas must not follow "[", "{", or ","
8539                 requireNonComma = open || comma;
8540
8541                 // Determine new depth
8542                 // array/object open ("[" or "{"): depth += true - false (increment)
8543                 // array/object close ("]" or "}"): depth += false - true (decrement)
8544                 // other cases ("," or primitive): depth += true - true (numeric cast)
8545                 depth += !close - !open;
8546
8547                 // Remove this token
8548                 return "";
8549         }) ) ?
8550                 ( Function( "return " + str ) )() :
8551                 jQuery.error( "Invalid JSON: " + data );
8552 };
8553
8554
8555 // Cross-browser xml parsing
8556 jQuery.parseXML = function( data ) {
8557         var xml, tmp;
8558         if ( !data || typeof data !== "string" ) {
8559                 return null;
8560         }
8561         try {
8562                 if ( window.DOMParser ) { // Standard
8563                         tmp = new DOMParser();
8564                         xml = tmp.parseFromString( data, "text/xml" );
8565                 } else { // IE
8566                         xml = new ActiveXObject( "Microsoft.XMLDOM" );
8567                         xml.async = "false";
8568                         xml.loadXML( data );
8569                 }
8570         } catch( e ) {
8571                 xml = undefined;
8572         }
8573         if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {
8574                 jQuery.error( "Invalid XML: " + data );
8575         }
8576         return xml;
8577 };
8578
8579
8580 var
8581         // Document location
8582         ajaxLocParts,
8583         ajaxLocation,
8584
8585         rhash = /#.*$/,
8586         rts = /([?&])_=[^&]*/,
8587         rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
8588         // #7653, #8125, #8152: local protocol detection
8589         rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
8590         rnoContent = /^(?:GET|HEAD)$/,
8591         rprotocol = /^\/\//,
8592         rurl = /^([\w.+-]+:)(?:\/\/(?:[^\/?#]*@|)([^\/?#:]*)(?::(\d+)|)|)/,
8593
8594         /* Prefilters
8595          * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
8596          * 2) These are called:
8597          *    - BEFORE asking for a transport
8598          *    - AFTER param serialization (s.data is a string if s.processData is true)
8599          * 3) key is the dataType
8600          * 4) the catchall symbol "*" can be used
8601          * 5) execution will start with transport dataType and THEN continue down to "*" if needed
8602          */
8603         prefilters = {},
8604
8605         /* Transports bindings
8606          * 1) key is the dataType
8607          * 2) the catchall symbol "*" can be used
8608          * 3) selection will start with transport dataType and THEN go to "*" if needed
8609          */
8610         transports = {},
8611
8612         // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
8613         allTypes = "*/".concat("*");
8614
8615 // #8138, IE may throw an exception when accessing
8616 // a field from window.location if document.domain has been set
8617 try {
8618         ajaxLocation = location.href;
8619 } catch( e ) {
8620         // Use the href attribute of an A element
8621         // since IE will modify it given document.location
8622         ajaxLocation = document.createElement( "a" );
8623         ajaxLocation.href = "";
8624         ajaxLocation = ajaxLocation.href;
8625 }
8626
8627 // Segment location into parts
8628 ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];
8629
8630 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
8631 function addToPrefiltersOrTransports( structure ) {
8632
8633         // dataTypeExpression is optional and defaults to "*"
8634         return function( dataTypeExpression, func ) {
8635
8636                 if ( typeof dataTypeExpression !== "string" ) {
8637                         func = dataTypeExpression;
8638                         dataTypeExpression = "*";
8639                 }
8640
8641                 var dataType,
8642                         i = 0,
8643                         dataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || [];
8644
8645                 if ( jQuery.isFunction( func ) ) {
8646                         // For each dataType in the dataTypeExpression
8647                         while ( (dataType = dataTypes[i++]) ) {
8648                                 // Prepend if requested
8649                                 if ( dataType.charAt( 0 ) === "+" ) {
8650                                         dataType = dataType.slice( 1 ) || "*";
8651                                         (structure[ dataType ] = structure[ dataType ] || []).unshift( func );
8652
8653                                 // Otherwise append
8654                                 } else {
8655                                         (structure[ dataType ] = structure[ dataType ] || []).push( func );
8656                                 }
8657                         }
8658                 }
8659         };
8660 }
8661
8662 // Base inspection function for prefilters and transports
8663 function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
8664
8665         var inspected = {},
8666                 seekingTransport = ( structure === transports );
8667
8668         function inspect( dataType ) {
8669                 var selected;
8670                 inspected[ dataType ] = true;
8671                 jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
8672                         var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
8673                         if ( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
8674                                 options.dataTypes.unshift( dataTypeOrTransport );
8675                                 inspect( dataTypeOrTransport );
8676                                 return false;
8677                         } else if ( seekingTransport ) {
8678                                 return !( selected = dataTypeOrTransport );
8679                         }
8680                 });
8681                 return selected;
8682         }
8683
8684         return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
8685 }
8686
8687 // A special extend for ajax options
8688 // that takes "flat" options (not to be deep extended)
8689 // Fixes #9887
8690 function ajaxExtend( target, src ) {
8691         var deep, key,
8692                 flatOptions = jQuery.ajaxSettings.flatOptions || {};
8693
8694         for ( key in src ) {
8695                 if ( src[ key ] !== undefined ) {
8696                         ( flatOptions[ key ] ? target : ( deep || (deep = {}) ) )[ key ] = src[ key ];
8697                 }
8698         }
8699         if ( deep ) {
8700                 jQuery.extend( true, target, deep );
8701         }
8702
8703         return target;
8704 }
8705
8706 /* Handles responses to an ajax request:
8707  * - finds the right dataType (mediates between content-type and expected dataType)
8708  * - returns the corresponding response
8709  */
8710 function ajaxHandleResponses( s, jqXHR, responses ) {
8711         var firstDataType, ct, finalDataType, type,
8712                 contents = s.contents,
8713                 dataTypes = s.dataTypes;
8714
8715         // Remove auto dataType and get content-type in the process
8716         while ( dataTypes[ 0 ] === "*" ) {
8717                 dataTypes.shift();
8718                 if ( ct === undefined ) {
8719                         ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
8720                 }
8721         }
8722
8723         // Check if we're dealing with a known content-type
8724         if ( ct ) {
8725                 for ( type in contents ) {
8726                         if ( contents[ type ] && contents[ type ].test( ct ) ) {
8727                                 dataTypes.unshift( type );
8728                                 break;
8729                         }
8730                 }
8731         }
8732
8733         // Check to see if we have a response for the expected dataType
8734         if ( dataTypes[ 0 ] in responses ) {
8735                 finalDataType = dataTypes[ 0 ];
8736         } else {
8737                 // Try convertible dataTypes
8738                 for ( type in responses ) {
8739                         if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) {
8740                                 finalDataType = type;
8741                                 break;
8742                         }
8743                         if ( !firstDataType ) {
8744                                 firstDataType = type;
8745                         }
8746                 }
8747                 // Or just use first one
8748                 finalDataType = finalDataType || firstDataType;
8749         }
8750
8751         // If we found a dataType
8752         // We add the dataType to the list if needed
8753         // and return the corresponding response
8754         if ( finalDataType ) {
8755                 if ( finalDataType !== dataTypes[ 0 ] ) {
8756                         dataTypes.unshift( finalDataType );
8757                 }
8758                 return responses[ finalDataType ];
8759         }
8760 }
8761
8762 /* Chain conversions given the request and the original response
8763  * Also sets the responseXXX fields on the jqXHR instance
8764  */
8765 function ajaxConvert( s, response, jqXHR, isSuccess ) {
8766         var conv2, current, conv, tmp, prev,
8767                 converters = {},
8768                 // Work with a copy of dataTypes in case we need to modify it for conversion
8769                 dataTypes = s.dataTypes.slice();
8770
8771         // Create converters map with lowercased keys
8772         if ( dataTypes[ 1 ] ) {
8773                 for ( conv in s.converters ) {
8774                         converters[ conv.toLowerCase() ] = s.converters[ conv ];
8775                 }
8776         }
8777
8778         current = dataTypes.shift();
8779
8780         // Convert to each sequential dataType
8781         while ( current ) {
8782
8783                 if ( s.responseFields[ current ] ) {
8784                         jqXHR[ s.responseFields[ current ] ] = response;
8785                 }
8786
8787                 // Apply the dataFilter if provided
8788                 if ( !prev && isSuccess && s.dataFilter ) {
8789                         response = s.dataFilter( response, s.dataType );
8790                 }
8791
8792                 prev = current;
8793                 current = dataTypes.shift();
8794
8795                 if ( current ) {
8796
8797                         // There's only work to do if current dataType is non-auto
8798                         if ( current === "*" ) {
8799
8800                                 current = prev;
8801
8802                         // Convert response if prev dataType is non-auto and differs from current
8803                         } else if ( prev !== "*" && prev !== current ) {
8804
8805                                 // Seek a direct converter
8806                                 conv = converters[ prev + " " + current ] || converters[ "* " + current ];
8807
8808                                 // If none found, seek a pair
8809                                 if ( !conv ) {
8810                                         for ( conv2 in converters ) {
8811
8812                                                 // If conv2 outputs current
8813                                                 tmp = conv2.split( " " );
8814                                                 if ( tmp[ 1 ] === current ) {
8815
8816                                                         // If prev can be converted to accepted input
8817                                                         conv = converters[ prev + " " + tmp[ 0 ] ] ||
8818                                                                 converters[ "* " + tmp[ 0 ] ];
8819                                                         if ( conv ) {
8820                                                                 // Condense equivalence converters
8821                                                                 if ( conv === true ) {
8822                                                                         conv = converters[ conv2 ];
8823
8824                                                                 // Otherwise, insert the intermediate dataType
8825                                                                 } else if ( converters[ conv2 ] !== true ) {
8826                                                                         current = tmp[ 0 ];
8827                                                                         dataTypes.unshift( tmp[ 1 ] );
8828                                                                 }
8829                                                                 break;
8830                                                         }
8831                                                 }
8832                                         }
8833                                 }
8834
8835                                 // Apply converter (if not an equivalence)
8836                                 if ( conv !== true ) {
8837
8838                                         // Unless errors are allowed to bubble, catch and return them
8839                                         if ( conv && s[ "throws" ] ) {
8840                                                 response = conv( response );
8841                                         } else {
8842                                                 try {
8843                                                         response = conv( response );
8844                                                 } catch ( e ) {
8845                                                         return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current };
8846                                                 }
8847                                         }
8848                                 }
8849                         }
8850                 }
8851         }
8852
8853         return { state: "success", data: response };
8854 }
8855
8856 jQuery.extend({
8857
8858         // Counter for holding the number of active queries
8859         active: 0,
8860
8861         // Last-Modified header cache for next request
8862         lastModified: {},
8863         etag: {},
8864
8865         ajaxSettings: {
8866                 url: ajaxLocation,
8867                 type: "GET",
8868                 isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
8869                 global: true,
8870                 processData: true,
8871                 async: true,
8872                 contentType: "application/x-www-form-urlencoded; charset=UTF-8",
8873                 /*
8874                 timeout: 0,
8875                 data: null,
8876                 dataType: null,
8877                 username: null,
8878                 password: null,
8879                 cache: null,
8880                 throws: false,
8881                 traditional: false,
8882                 headers: {},
8883                 */
8884
8885                 accepts: {
8886                         "*": allTypes,
8887                         text: "text/plain",
8888                         html: "text/html",
8889                         xml: "application/xml, text/xml",
8890                         json: "application/json, text/javascript"
8891                 },
8892
8893                 contents: {
8894                         xml: /xml/,
8895                         html: /html/,
8896                         json: /json/
8897                 },
8898
8899                 responseFields: {
8900                         xml: "responseXML",
8901                         text: "responseText",
8902                         json: "responseJSON"
8903                 },
8904
8905                 // Data converters
8906                 // Keys separate source (or catchall "*") and destination types with a single space
8907                 converters: {
8908
8909                         // Convert anything to text
8910                         "* text": String,
8911
8912                         // Text to html (true = no transformation)
8913                         "text html": true,
8914
8915                         // Evaluate text as a json expression
8916                         "text json": jQuery.parseJSON,
8917
8918                         // Parse text as xml
8919                         "text xml": jQuery.parseXML
8920                 },
8921
8922                 // For options that shouldn't be deep extended:
8923                 // you can add your own custom options here if
8924                 // and when you create one that shouldn't be
8925                 // deep extended (see ajaxExtend)
8926                 flatOptions: {
8927                         url: true,
8928                         context: true
8929                 }
8930         },
8931
8932         // Creates a full fledged settings object into target
8933         // with both ajaxSettings and settings fields.
8934         // If target is omitted, writes into ajaxSettings.
8935         ajaxSetup: function( target, settings ) {
8936                 return settings ?
8937
8938                         // Building a settings object
8939                         ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
8940
8941                         // Extending ajaxSettings
8942                         ajaxExtend( jQuery.ajaxSettings, target );
8943         },
8944
8945         ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
8946         ajaxTransport: addToPrefiltersOrTransports( transports ),
8947
8948         // Main method
8949         ajax: function( url, options ) {
8950
8951                 // If url is an object, simulate pre-1.5 signature
8952                 if ( typeof url === "object" ) {
8953                         options = url;
8954                         url = undefined;
8955                 }
8956
8957                 // Force options to be an object
8958                 options = options || {};
8959
8960                 var // Cross-domain detection vars
8961                         parts,
8962                         // Loop variable
8963                         i,
8964                         // URL without anti-cache param
8965                         cacheURL,
8966                         // Response headers as string
8967                         responseHeadersString,
8968                         // timeout handle
8969                         timeoutTimer,
8970
8971                         // To know if global events are to be dispatched
8972                         fireGlobals,
8973
8974                         transport,
8975                         // Response headers
8976                         responseHeaders,
8977                         // Create the final options object
8978                         s = jQuery.ajaxSetup( {}, options ),
8979                         // Callbacks context
8980                         callbackContext = s.context || s,
8981                         // Context for global events is callbackContext if it is a DOM node or jQuery collection
8982                         globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ?
8983                                 jQuery( callbackContext ) :
8984                                 jQuery.event,
8985                         // Deferreds
8986                         deferred = jQuery.Deferred(),
8987                         completeDeferred = jQuery.Callbacks("once memory"),
8988                         // Status-dependent callbacks
8989                         statusCode = s.statusCode || {},
8990                         // Headers (they are sent all at once)
8991                         requestHeaders = {},
8992                         requestHeadersNames = {},
8993                         // The jqXHR state
8994                         state = 0,
8995                         // Default abort message
8996                         strAbort = "canceled",
8997                         // Fake xhr
8998                         jqXHR = {
8999                                 readyState: 0,
9000
9001                                 // Builds headers hashtable if needed
9002                                 getResponseHeader: function( key ) {
9003                                         var match;
9004                                         if ( state === 2 ) {
9005                                                 if ( !responseHeaders ) {
9006                                                         responseHeaders = {};
9007                                                         while ( (match = rheaders.exec( responseHeadersString )) ) {
9008                                                                 responseHeaders[ match[1].toLowerCase() ] = match[ 2 ];
9009                                                         }
9010                                                 }
9011                                                 match = responseHeaders[ key.toLowerCase() ];
9012                                         }
9013                                         return match == null ? null : match;
9014                                 },
9015
9016                                 // Raw string
9017                                 getAllResponseHeaders: function() {
9018                                         return state === 2 ? responseHeadersString : null;
9019                                 },
9020
9021                                 // Caches the header
9022                                 setRequestHeader: function( name, value ) {
9023                                         var lname = name.toLowerCase();
9024                                         if ( !state ) {
9025                                                 name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
9026                                                 requestHeaders[ name ] = value;
9027                                         }
9028                                         return this;
9029                                 },
9030
9031                                 // Overrides response content-type header
9032                                 overrideMimeType: function( type ) {
9033                                         if ( !state ) {
9034                                                 s.mimeType = type;
9035                                         }
9036                                         return this;
9037                                 },
9038
9039                                 // Status-dependent callbacks
9040                                 statusCode: function( map ) {
9041                                         var code;
9042                                         if ( map ) {
9043                                                 if ( state < 2 ) {
9044                                                         for ( code in map ) {
9045                                                                 // Lazy-add the new callback in a way that preserves old ones
9046                                                                 statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
9047                                                         }
9048                                                 } else {
9049                                                         // Execute the appropriate callbacks
9050                                                         jqXHR.always( map[ jqXHR.status ] );
9051                                                 }
9052                                         }
9053                                         return this;
9054                                 },
9055
9056                                 // Cancel the request
9057                                 abort: function( statusText ) {
9058                                         var finalText = statusText || strAbort;
9059                                         if ( transport ) {
9060                                                 transport.abort( finalText );
9061                                         }
9062                                         done( 0, finalText );
9063                                         return this;
9064                                 }
9065                         };
9066
9067                 // Attach deferreds
9068                 deferred.promise( jqXHR ).complete = completeDeferred.add;
9069                 jqXHR.success = jqXHR.done;
9070                 jqXHR.error = jqXHR.fail;
9071
9072                 // Remove hash character (#7531: and string promotion)
9073                 // Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
9074                 // Handle falsy url in the settings object (#10093: consistency with old signature)
9075                 // We also use the url parameter if available
9076                 s.url = ( ( url || s.url || ajaxLocation ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
9077
9078                 // Alias method option to type as per ticket #12004
9079                 s.type = options.method || options.type || s.method || s.type;
9080
9081                 // Extract dataTypes list
9082                 s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ];
9083
9084                 // A cross-domain request is in order when we have a protocol:host:port mismatch
9085                 if ( s.crossDomain == null ) {
9086                         parts = rurl.exec( s.url.toLowerCase() );
9087                         s.crossDomain = !!( parts &&
9088                                 ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
9089                                         ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? "80" : "443" ) ) !==
9090                                                 ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? "80" : "443" ) ) )
9091                         );
9092                 }
9093
9094                 // Convert data if not already a string
9095                 if ( s.data && s.processData && typeof s.data !== "string" ) {
9096                         s.data = jQuery.param( s.data, s.traditional );
9097                 }
9098
9099                 // Apply prefilters
9100                 inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
9101
9102                 // If request was aborted inside a prefilter, stop there
9103                 if ( state === 2 ) {
9104                         return jqXHR;
9105                 }
9106
9107                 // We can fire global events as of now if asked to
9108                 fireGlobals = s.global;
9109
9110                 // Watch for a new set of requests
9111                 if ( fireGlobals && jQuery.active++ === 0 ) {
9112                         jQuery.event.trigger("ajaxStart");
9113                 }
9114
9115                 // Uppercase the type
9116                 s.type = s.type.toUpperCase();
9117
9118                 // Determine if request has content
9119                 s.hasContent = !rnoContent.test( s.type );
9120
9121                 // Save the URL in case we're toying with the If-Modified-Since
9122                 // and/or If-None-Match header later on
9123                 cacheURL = s.url;
9124
9125                 // More options handling for requests with no content
9126                 if ( !s.hasContent ) {
9127
9128                         // If data is available, append data to url
9129                         if ( s.data ) {
9130                                 cacheURL = ( s.url += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
9131                                 // #9682: remove data so that it's not used in an eventual retry
9132                                 delete s.data;
9133                         }
9134
9135                         // Add anti-cache in url if needed
9136                         if ( s.cache === false ) {
9137                                 s.url = rts.test( cacheURL ) ?
9138
9139                                         // If there is already a '_' parameter, set its value
9140                                         cacheURL.replace( rts, "$1_=" + nonce++ ) :
9141
9142                                         // Otherwise add one to the end
9143                                         cacheURL + ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + nonce++;
9144                         }
9145                 }
9146
9147                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9148                 if ( s.ifModified ) {
9149                         if ( jQuery.lastModified[ cacheURL ] ) {
9150                                 jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
9151                         }
9152                         if ( jQuery.etag[ cacheURL ] ) {
9153                                 jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
9154                         }
9155                 }
9156
9157                 // Set the correct header, if data is being sent
9158                 if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
9159                         jqXHR.setRequestHeader( "Content-Type", s.contentType );
9160                 }
9161
9162                 // Set the Accepts header for the server, depending on the dataType
9163                 jqXHR.setRequestHeader(
9164                         "Accept",
9165                         s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ?
9166                                 s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
9167                                 s.accepts[ "*" ]
9168                 );
9169
9170                 // Check for headers option
9171                 for ( i in s.headers ) {
9172                         jqXHR.setRequestHeader( i, s.headers[ i ] );
9173                 }
9174
9175                 // Allow custom headers/mimetypes and early abort
9176                 if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
9177                         // Abort if not done already and return
9178                         return jqXHR.abort();
9179                 }
9180
9181                 // aborting is no longer a cancellation
9182                 strAbort = "abort";
9183
9184                 // Install callbacks on deferreds
9185                 for ( i in { success: 1, error: 1, complete: 1 } ) {
9186                         jqXHR[ i ]( s[ i ] );
9187                 }
9188
9189                 // Get transport
9190                 transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
9191
9192                 // If no transport, we auto-abort
9193                 if ( !transport ) {
9194                         done( -1, "No Transport" );
9195                 } else {
9196                         jqXHR.readyState = 1;
9197
9198                         // Send global event
9199                         if ( fireGlobals ) {
9200                                 globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
9201                         }
9202                         // Timeout
9203                         if ( s.async && s.timeout > 0 ) {
9204                                 timeoutTimer = setTimeout(function() {
9205                                         jqXHR.abort("timeout");
9206                                 }, s.timeout );
9207                         }
9208
9209                         try {
9210                                 state = 1;
9211                                 transport.send( requestHeaders, done );
9212                         } catch ( e ) {
9213                                 // Propagate exception as error if not done
9214                                 if ( state < 2 ) {
9215                                         done( -1, e );
9216                                 // Simply rethrow otherwise
9217                                 } else {
9218                                         throw e;
9219                                 }
9220                         }
9221                 }
9222
9223                 // Callback for when everything is done
9224                 function done( status, nativeStatusText, responses, headers ) {
9225                         var isSuccess, success, error, response, modified,
9226                                 statusText = nativeStatusText;
9227
9228                         // Called once
9229                         if ( state === 2 ) {
9230                                 return;
9231                         }
9232
9233                         // State is "done" now
9234                         state = 2;
9235
9236                         // Clear timeout if it exists
9237                         if ( timeoutTimer ) {
9238                                 clearTimeout( timeoutTimer );
9239                         }
9240
9241                         // Dereference transport for early garbage collection
9242                         // (no matter how long the jqXHR object will be used)
9243                         transport = undefined;
9244
9245                         // Cache response headers
9246                         responseHeadersString = headers || "";
9247
9248                         // Set readyState
9249                         jqXHR.readyState = status > 0 ? 4 : 0;
9250
9251                         // Determine if successful
9252                         isSuccess = status >= 200 && status < 300 || status === 304;
9253
9254                         // Get response data
9255                         if ( responses ) {
9256                                 response = ajaxHandleResponses( s, jqXHR, responses );
9257                         }
9258
9259                         // Convert no matter what (that way responseXXX fields are always set)
9260                         response = ajaxConvert( s, response, jqXHR, isSuccess );
9261
9262                         // If successful, handle type chaining
9263                         if ( isSuccess ) {
9264
9265                                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9266                                 if ( s.ifModified ) {
9267                                         modified = jqXHR.getResponseHeader("Last-Modified");
9268                                         if ( modified ) {
9269                                                 jQuery.lastModified[ cacheURL ] = modified;
9270                                         }
9271                                         modified = jqXHR.getResponseHeader("etag");
9272                                         if ( modified ) {
9273                                                 jQuery.etag[ cacheURL ] = modified;
9274                                         }
9275                                 }
9276
9277                                 // if no content
9278                                 if ( status === 204 || s.type === "HEAD" ) {
9279                                         statusText = "nocontent";
9280
9281                                 // if not modified
9282                                 } else if ( status === 304 ) {
9283                                         statusText = "notmodified";
9284
9285                                 // If we have data, let's convert it
9286                                 } else {
9287                                         statusText = response.state;
9288                                         success = response.data;
9289                                         error = response.error;
9290                                         isSuccess = !error;
9291                                 }
9292                         } else {
9293                                 // We extract error from statusText
9294                                 // then normalize statusText and status for non-aborts
9295                                 error = statusText;
9296                                 if ( status || !statusText ) {
9297                                         statusText = "error";
9298                                         if ( status < 0 ) {
9299                                                 status = 0;
9300                                         }
9301                                 }
9302                         }
9303
9304                         // Set data for the fake xhr object
9305                         jqXHR.status = status;
9306                         jqXHR.statusText = ( nativeStatusText || statusText ) + "";
9307
9308                         // Success/Error
9309                         if ( isSuccess ) {
9310                                 deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
9311                         } else {
9312                                 deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
9313                         }
9314
9315                         // Status-dependent callbacks
9316                         jqXHR.statusCode( statusCode );
9317                         statusCode = undefined;
9318
9319                         if ( fireGlobals ) {
9320                                 globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
9321                                         [ jqXHR, s, isSuccess ? success : error ] );
9322                         }
9323
9324                         // Complete
9325                         completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
9326
9327                         if ( fireGlobals ) {
9328                                 globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
9329                                 // Handle the global AJAX counter
9330                                 if ( !( --jQuery.active ) ) {
9331                                         jQuery.event.trigger("ajaxStop");
9332                                 }
9333                         }
9334                 }
9335
9336                 return jqXHR;
9337         },
9338
9339         getJSON: function( url, data, callback ) {
9340                 return jQuery.get( url, data, callback, "json" );
9341         },
9342
9343         getScript: function( url, callback ) {
9344                 return jQuery.get( url, undefined, callback, "script" );
9345         }
9346 });
9347
9348 jQuery.each( [ "get", "post" ], function( i, method ) {
9349         jQuery[ method ] = function( url, data, callback, type ) {
9350                 // shift arguments if data argument was omitted
9351                 if ( jQuery.isFunction( data ) ) {
9352                         type = type || callback;
9353                         callback = data;
9354                         data = undefined;
9355                 }
9356
9357                 return jQuery.ajax({
9358                         url: url,
9359                         type: method,
9360                         dataType: type,
9361                         data: data,
9362                         success: callback
9363                 });
9364         };
9365 });
9366
9367 // Attach a bunch of functions for handling common AJAX events
9368 jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ) {
9369         jQuery.fn[ type ] = function( fn ) {
9370                 return this.on( type, fn );
9371         };
9372 });
9373
9374
9375 jQuery._evalUrl = function( url ) {
9376         return jQuery.ajax({
9377                 url: url,
9378                 type: "GET",
9379                 dataType: "script",
9380                 async: false,
9381                 global: false,
9382                 "throws": true
9383         });
9384 };
9385
9386
9387 jQuery.fn.extend({
9388         wrapAll: function( html ) {
9389                 if ( jQuery.isFunction( html ) ) {
9390                         return this.each(function(i) {
9391                                 jQuery(this).wrapAll( html.call(this, i) );
9392                         });
9393                 }
9394
9395                 if ( this[0] ) {
9396                         // The elements to wrap the target around
9397                         var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true);
9398
9399                         if ( this[0].parentNode ) {
9400                                 wrap.insertBefore( this[0] );
9401                         }
9402
9403                         wrap.map(function() {
9404                                 var elem = this;
9405
9406                                 while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
9407                                         elem = elem.firstChild;
9408                                 }
9409
9410                                 return elem;
9411                         }).append( this );
9412                 }
9413
9414                 return this;
9415         },
9416
9417         wrapInner: function( html ) {
9418                 if ( jQuery.isFunction( html ) ) {
9419                         return this.each(function(i) {
9420                                 jQuery(this).wrapInner( html.call(this, i) );
9421                         });
9422                 }
9423
9424                 return this.each(function() {
9425                         var self = jQuery( this ),
9426                                 contents = self.contents();
9427
9428                         if ( contents.length ) {
9429                                 contents.wrapAll( html );
9430
9431                         } else {
9432                                 self.append( html );
9433                         }
9434                 });
9435         },
9436
9437         wrap: function( html ) {
9438                 var isFunction = jQuery.isFunction( html );
9439
9440                 return this.each(function(i) {
9441                         jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
9442                 });
9443         },
9444
9445         unwrap: function() {
9446                 return this.parent().each(function() {
9447                         if ( !jQuery.nodeName( this, "body" ) ) {
9448                                 jQuery( this ).replaceWith( this.childNodes );
9449                         }
9450                 }).end();
9451         }
9452 });
9453
9454
9455 jQuery.expr.filters.hidden = function( elem ) {
9456         // Support: Opera <= 12.12
9457         // Opera reports offsetWidths and offsetHeights less than zero on some elements
9458         return elem.offsetWidth <= 0 && elem.offsetHeight <= 0 ||
9459                 (!support.reliableHiddenOffsets() &&
9460                         ((elem.style && elem.style.display) || jQuery.css( elem, "display" )) === "none");
9461 };
9462
9463 jQuery.expr.filters.visible = function( elem ) {
9464         return !jQuery.expr.filters.hidden( elem );
9465 };
9466
9467
9468
9469
9470 var r20 = /%20/g,
9471         rbracket = /\[\]$/,
9472         rCRLF = /\r?\n/g,
9473         rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
9474         rsubmittable = /^(?:input|select|textarea|keygen)/i;
9475
9476 function buildParams( prefix, obj, traditional, add ) {
9477         var name;
9478
9479         if ( jQuery.isArray( obj ) ) {
9480                 // Serialize array item.
9481                 jQuery.each( obj, function( i, v ) {
9482                         if ( traditional || rbracket.test( prefix ) ) {
9483                                 // Treat each array item as a scalar.
9484                                 add( prefix, v );
9485
9486                         } else {
9487                                 // Item is non-scalar (array or object), encode its numeric index.
9488                                 buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
9489                         }
9490                 });
9491
9492         } else if ( !traditional && jQuery.type( obj ) === "object" ) {
9493                 // Serialize object item.
9494                 for ( name in obj ) {
9495                         buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
9496                 }
9497
9498         } else {
9499                 // Serialize scalar item.
9500                 add( prefix, obj );
9501         }
9502 }
9503
9504 // Serialize an array of form elements or a set of
9505 // key/values into a query string
9506 jQuery.param = function( a, traditional ) {
9507         var prefix,
9508                 s = [],
9509                 add = function( key, value ) {
9510                         // If value is a function, invoke it and return its value
9511                         value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
9512                         s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
9513                 };
9514
9515         // Set traditional to true for jQuery <= 1.3.2 behavior.
9516         if ( traditional === undefined ) {
9517                 traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
9518         }
9519
9520         // If an array was passed in, assume that it is an array of form elements.
9521         if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
9522                 // Serialize the form elements
9523                 jQuery.each( a, function() {
9524                         add( this.name, this.value );
9525                 });
9526
9527         } else {
9528                 // If traditional, encode the "old" way (the way 1.3.2 or older
9529                 // did it), otherwise encode params recursively.
9530                 for ( prefix in a ) {
9531                         buildParams( prefix, a[ prefix ], traditional, add );
9532                 }
9533         }
9534
9535         // Return the resulting serialization
9536         return s.join( "&" ).replace( r20, "+" );
9537 };
9538
9539 jQuery.fn.extend({
9540         serialize: function() {
9541                 return jQuery.param( this.serializeArray() );
9542         },
9543         serializeArray: function() {
9544                 return this.map(function() {
9545                         // Can add propHook for "elements" to filter or add form elements
9546                         var elements = jQuery.prop( this, "elements" );
9547                         return elements ? jQuery.makeArray( elements ) : this;
9548                 })
9549                 .filter(function() {
9550                         var type = this.type;
9551                         // Use .is(":disabled") so that fieldset[disabled] works
9552                         return this.name && !jQuery( this ).is( ":disabled" ) &&
9553                                 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
9554                                 ( this.checked || !rcheckableType.test( type ) );
9555                 })
9556                 .map(function( i, elem ) {
9557                         var val = jQuery( this ).val();
9558
9559                         return val == null ?
9560                                 null :
9561                                 jQuery.isArray( val ) ?
9562                                         jQuery.map( val, function( val ) {
9563                                                 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
9564                                         }) :
9565                                         { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
9566                 }).get();
9567         }
9568 });
9569
9570
9571 // Create the request object
9572 // (This is still attached to ajaxSettings for backward compatibility)
9573 jQuery.ajaxSettings.xhr = window.ActiveXObject !== undefined ?
9574         // Support: IE6+
9575         function() {
9576
9577                 // XHR cannot access local files, always use ActiveX for that case
9578                 return !this.isLocal &&
9579
9580                         // Support: IE7-8
9581                         // oldIE XHR does not support non-RFC2616 methods (#13240)
9582                         // See http://msdn.microsoft.com/en-us/library/ie/ms536648(v=vs.85).aspx
9583                         // and http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9
9584                         // Although this check for six methods instead of eight
9585                         // since IE also does not support "trace" and "connect"
9586                         /^(get|post|head|put|delete|options)$/i.test( this.type ) &&
9587
9588                         createStandardXHR() || createActiveXHR();
9589         } :
9590         // For all other browsers, use the standard XMLHttpRequest object
9591         createStandardXHR;
9592
9593 var xhrId = 0,
9594         xhrCallbacks = {},
9595         xhrSupported = jQuery.ajaxSettings.xhr();
9596
9597 // Support: IE<10
9598 // Open requests must be manually aborted on unload (#5280)
9599 if ( window.ActiveXObject ) {
9600         jQuery( window ).on( "unload", function() {
9601                 for ( var key in xhrCallbacks ) {
9602                         xhrCallbacks[ key ]( undefined, true );
9603                 }
9604         });
9605 }
9606
9607 // Determine support properties
9608 support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
9609 xhrSupported = support.ajax = !!xhrSupported;
9610
9611 // Create transport if the browser can provide an xhr
9612 if ( xhrSupported ) {
9613
9614         jQuery.ajaxTransport(function( options ) {
9615                 // Cross domain only allowed if supported through XMLHttpRequest
9616                 if ( !options.crossDomain || support.cors ) {
9617
9618                         var callback;
9619
9620                         return {
9621                                 send: function( headers, complete ) {
9622                                         var i,
9623                                                 xhr = options.xhr(),
9624                                                 id = ++xhrId;
9625
9626                                         // Open the socket
9627                                         xhr.open( options.type, options.url, options.async, options.username, options.password );
9628
9629                                         // Apply custom fields if provided
9630                                         if ( options.xhrFields ) {
9631                                                 for ( i in options.xhrFields ) {
9632                                                         xhr[ i ] = options.xhrFields[ i ];
9633                                                 }
9634                                         }
9635
9636                                         // Override mime type if needed
9637                                         if ( options.mimeType && xhr.overrideMimeType ) {
9638                                                 xhr.overrideMimeType( options.mimeType );
9639                                         }
9640
9641                                         // X-Requested-With header
9642                                         // For cross-domain requests, seeing as conditions for a preflight are
9643                                         // akin to a jigsaw puzzle, we simply never set it to be sure.
9644                                         // (it can always be set on a per-request basis or even using ajaxSetup)
9645                                         // For same-domain requests, won't change header if already provided.
9646                                         if ( !options.crossDomain && !headers["X-Requested-With"] ) {
9647                                                 headers["X-Requested-With"] = "XMLHttpRequest";
9648                                         }
9649
9650                                         // Set headers
9651                                         for ( i in headers ) {
9652                                                 // Support: IE<9
9653                                                 // IE's ActiveXObject throws a 'Type Mismatch' exception when setting
9654                                                 // request header to a null-value.
9655                                                 //
9656                                                 // To keep consistent with other XHR implementations, cast the value
9657                                                 // to string and ignore `undefined`.
9658                                                 if ( headers[ i ] !== undefined ) {
9659                                                         xhr.setRequestHeader( i, headers[ i ] + "" );
9660                                                 }
9661                                         }
9662
9663                                         // Do send the request
9664                                         // This may raise an exception which is actually
9665                                         // handled in jQuery.ajax (so no try/catch here)
9666                                         xhr.send( ( options.hasContent && options.data ) || null );
9667
9668                                         // Listener
9669                                         callback = function( _, isAbort ) {
9670                                                 var status, statusText, responses;
9671
9672                                                 // Was never called and is aborted or complete
9673                                                 if ( callback && ( isAbort || xhr.readyState === 4 ) ) {
9674                                                         // Clean up
9675                                                         delete xhrCallbacks[ id ];
9676                                                         callback = undefined;
9677                                                         xhr.onreadystatechange = jQuery.noop;
9678
9679                                                         // Abort manually if needed
9680                                                         if ( isAbort ) {
9681                                                                 if ( xhr.readyState !== 4 ) {
9682                                                                         xhr.abort();
9683                                                                 }
9684                                                         } else {
9685                                                                 responses = {};
9686                                                                 status = xhr.status;
9687
9688                                                                 // Support: IE<10
9689                                                                 // Accessing binary-data responseText throws an exception
9690                                                                 // (#11426)
9691                                                                 if ( typeof xhr.responseText === "string" ) {
9692                                                                         responses.text = xhr.responseText;
9693                                                                 }
9694
9695                                                                 // Firefox throws an exception when accessing
9696                                                                 // statusText for faulty cross-domain requests
9697                                                                 try {
9698                                                                         statusText = xhr.statusText;
9699                                                                 } catch( e ) {
9700                                                                         // We normalize with Webkit giving an empty statusText
9701                                                                         statusText = "";
9702                                                                 }
9703
9704                                                                 // Filter status for non standard behaviors
9705
9706                                                                 // If the request is local and we have data: assume a success
9707                                                                 // (success with no data won't get notified, that's the best we
9708                                                                 // can do given current implementations)
9709                                                                 if ( !status && options.isLocal && !options.crossDomain ) {
9710                                                                         status = responses.text ? 200 : 404;
9711                                                                 // IE - #1450: sometimes returns 1223 when it should be 204
9712                                                                 } else if ( status === 1223 ) {
9713                                                                         status = 204;
9714                                                                 }
9715                                                         }
9716                                                 }
9717
9718                                                 // Call complete if needed
9719                                                 if ( responses ) {
9720                                                         complete( status, statusText, responses, xhr.getAllResponseHeaders() );
9721                                                 }
9722                                         };
9723
9724                                         if ( !options.async ) {
9725                                                 // if we're in sync mode we fire the callback
9726                                                 callback();
9727                                         } else if ( xhr.readyState === 4 ) {
9728                                                 // (IE6 & IE7) if it's in cache and has been
9729                                                 // retrieved directly we need to fire the callback
9730                                                 setTimeout( callback );
9731                                         } else {
9732                                                 // Add to the list of active xhr callbacks
9733                                                 xhr.onreadystatechange = xhrCallbacks[ id ] = callback;
9734                                         }
9735                                 },
9736
9737                                 abort: function() {
9738                                         if ( callback ) {
9739                                                 callback( undefined, true );
9740                                         }
9741                                 }
9742                         };
9743                 }
9744         });
9745 }
9746
9747 // Functions to create xhrs
9748 function createStandardXHR() {
9749         try {
9750                 return new window.XMLHttpRequest();
9751         } catch( e ) {}
9752 }
9753
9754 function createActiveXHR() {
9755         try {
9756                 return new window.ActiveXObject( "Microsoft.XMLHTTP" );
9757         } catch( e ) {}
9758 }
9759
9760
9761
9762
9763 // Install script dataType
9764 jQuery.ajaxSetup({
9765         accepts: {
9766                 script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
9767         },
9768         contents: {
9769                 script: /(?:java|ecma)script/
9770         },
9771         converters: {
9772                 "text script": function( text ) {
9773                         jQuery.globalEval( text );
9774                         return text;
9775                 }
9776         }
9777 });
9778
9779 // Handle cache's special case and global
9780 jQuery.ajaxPrefilter( "script", function( s ) {
9781         if ( s.cache === undefined ) {
9782                 s.cache = false;
9783         }
9784         if ( s.crossDomain ) {
9785                 s.type = "GET";
9786                 s.global = false;
9787         }
9788 });
9789
9790 // Bind script tag hack transport
9791 jQuery.ajaxTransport( "script", function(s) {
9792
9793         // This transport only deals with cross domain requests
9794         if ( s.crossDomain ) {
9795
9796                 var script,
9797                         head = document.head || jQuery("head")[0] || document.documentElement;
9798
9799                 return {
9800
9801                         send: function( _, callback ) {
9802
9803                                 script = document.createElement("script");
9804
9805                                 script.async = true;
9806
9807                                 if ( s.scriptCharset ) {
9808                                         script.charset = s.scriptCharset;
9809                                 }
9810
9811                                 script.src = s.url;
9812
9813                                 // Attach handlers for all browsers
9814                                 script.onload = script.onreadystatechange = function( _, isAbort ) {
9815
9816                                         if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {
9817
9818                                                 // Handle memory leak in IE
9819                                                 script.onload = script.onreadystatechange = null;
9820
9821                                                 // Remove the script
9822                                                 if ( script.parentNode ) {
9823                                                         script.parentNode.removeChild( script );
9824                                                 }
9825
9826                                                 // Dereference the script
9827                                                 script = null;
9828
9829                                                 // Callback if not abort
9830                                                 if ( !isAbort ) {
9831                                                         callback( 200, "success" );
9832                                                 }
9833                                         }
9834                                 };
9835
9836                                 // Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
9837                                 // Use native DOM manipulation to avoid our domManip AJAX trickery
9838                                 head.insertBefore( script, head.firstChild );
9839                         },
9840
9841                         abort: function() {
9842                                 if ( script ) {
9843                                         script.onload( undefined, true );
9844                                 }
9845                         }
9846                 };
9847         }
9848 });
9849
9850
9851
9852
9853 var oldCallbacks = [],
9854         rjsonp = /(=)\?(?=&|$)|\?\?/;
9855
9856 // Default jsonp settings
9857 jQuery.ajaxSetup({
9858         jsonp: "callback",
9859         jsonpCallback: function() {
9860                 var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
9861                 this[ callback ] = true;
9862                 return callback;
9863         }
9864 });
9865
9866 // Detect, normalize options and install callbacks for jsonp requests
9867 jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
9868
9869         var callbackName, overwritten, responseContainer,
9870                 jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
9871                         "url" :
9872                         typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data"
9873                 );
9874
9875         // Handle iff the expected data type is "jsonp" or we have a parameter to set
9876         if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
9877
9878                 // Get callback name, remembering preexisting value associated with it
9879                 callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
9880                         s.jsonpCallback() :
9881                         s.jsonpCallback;
9882
9883                 // Insert callback into url or form data
9884                 if ( jsonProp ) {
9885                         s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
9886                 } else if ( s.jsonp !== false ) {
9887                         s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
9888                 }
9889
9890                 // Use data converter to retrieve json after script execution
9891                 s.converters["script json"] = function() {
9892                         if ( !responseContainer ) {
9893                                 jQuery.error( callbackName + " was not called" );
9894                         }
9895                         return responseContainer[ 0 ];
9896                 };
9897
9898                 // force json dataType
9899                 s.dataTypes[ 0 ] = "json";
9900
9901                 // Install callback
9902                 overwritten = window[ callbackName ];
9903                 window[ callbackName ] = function() {
9904                         responseContainer = arguments;
9905                 };
9906
9907                 // Clean-up function (fires after converters)
9908                 jqXHR.always(function() {
9909                         // Restore preexisting value
9910                         window[ callbackName ] = overwritten;
9911
9912                         // Save back as free
9913                         if ( s[ callbackName ] ) {
9914                                 // make sure that re-using the options doesn't screw things around
9915                                 s.jsonpCallback = originalSettings.jsonpCallback;
9916
9917                                 // save the callback name for future use
9918                                 oldCallbacks.push( callbackName );
9919                         }
9920
9921                         // Call if it was a function and we have a response
9922                         if ( responseContainer && jQuery.isFunction( overwritten ) ) {
9923                                 overwritten( responseContainer[ 0 ] );
9924                         }
9925
9926                         responseContainer = overwritten = undefined;
9927                 });
9928
9929                 // Delegate to script
9930                 return "script";
9931         }
9932 });
9933
9934
9935
9936
9937 // data: string of html
9938 // context (optional): If specified, the fragment will be created in this context, defaults to document
9939 // keepScripts (optional): If true, will include scripts passed in the html string
9940 jQuery.parseHTML = function( data, context, keepScripts ) {
9941         if ( !data || typeof data !== "string" ) {
9942                 return null;
9943         }
9944         if ( typeof context === "boolean" ) {
9945                 keepScripts = context;
9946                 context = false;
9947         }
9948         context = context || document;
9949
9950         var parsed = rsingleTag.exec( data ),
9951                 scripts = !keepScripts && [];
9952
9953         // Single tag
9954         if ( parsed ) {
9955                 return [ context.createElement( parsed[1] ) ];
9956         }
9957
9958         parsed = jQuery.buildFragment( [ data ], context, scripts );
9959
9960         if ( scripts && scripts.length ) {
9961                 jQuery( scripts ).remove();
9962         }
9963
9964         return jQuery.merge( [], parsed.childNodes );
9965 };
9966
9967
9968 // Keep a copy of the old load method
9969 var _load = jQuery.fn.load;
9970
9971 /**
9972  * Load a url into a page
9973  */
9974 jQuery.fn.load = function( url, params, callback ) {
9975         if ( typeof url !== "string" && _load ) {
9976                 return _load.apply( this, arguments );
9977         }
9978
9979         var selector, response, type,
9980                 self = this,
9981                 off = url.indexOf(" ");
9982
9983         if ( off >= 0 ) {
9984                 selector = url.slice( off, url.length );
9985                 url = url.slice( 0, off );
9986         }
9987
9988         // If it's a function
9989         if ( jQuery.isFunction( params ) ) {
9990
9991                 // We assume that it's the callback
9992                 callback = params;
9993                 params = undefined;
9994
9995         // Otherwise, build a param string
9996         } else if ( params && typeof params === "object" ) {
9997                 type = "POST";
9998         }
9999
10000         // If we have elements to modify, make the request
10001         if ( self.length > 0 ) {
10002                 jQuery.ajax({
10003                         url: url,
10004
10005                         // if "type" variable is undefined, then "GET" method will be used
10006                         type: type,
10007                         dataType: "html",
10008                         data: params
10009                 }).done(function( responseText ) {
10010
10011                         // Save response for use in complete callback
10012                         response = arguments;
10013
10014                         self.html( selector ?
10015
10016                                 // If a selector was specified, locate the right elements in a dummy div
10017                                 // Exclude scripts to avoid IE 'Permission Denied' errors
10018                                 jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) :
10019
10020                                 // Otherwise use the full result
10021                                 responseText );
10022
10023                 }).complete( callback && function( jqXHR, status ) {
10024                         self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
10025                 });
10026         }
10027
10028         return this;
10029 };
10030
10031
10032
10033
10034 jQuery.expr.filters.animated = function( elem ) {
10035         return jQuery.grep(jQuery.timers, function( fn ) {
10036                 return elem === fn.elem;
10037         }).length;
10038 };
10039
10040
10041
10042
10043
10044 var docElem = window.document.documentElement;
10045
10046 /**
10047  * Gets a window from an element
10048  */
10049 function getWindow( elem ) {
10050         return jQuery.isWindow( elem ) ?
10051                 elem :
10052                 elem.nodeType === 9 ?
10053                         elem.defaultView || elem.parentWindow :
10054                         false;
10055 }
10056
10057 jQuery.offset = {
10058         setOffset: function( elem, options, i ) {
10059                 var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
10060                         position = jQuery.css( elem, "position" ),
10061                         curElem = jQuery( elem ),
10062                         props = {};
10063
10064                 // set position first, in-case top/left are set even on static elem
10065                 if ( position === "static" ) {
10066                         elem.style.position = "relative";
10067                 }
10068
10069                 curOffset = curElem.offset();
10070                 curCSSTop = jQuery.css( elem, "top" );
10071                 curCSSLeft = jQuery.css( elem, "left" );
10072                 calculatePosition = ( position === "absolute" || position === "fixed" ) &&
10073                         jQuery.inArray("auto", [ curCSSTop, curCSSLeft ] ) > -1;
10074
10075                 // need to be able to calculate position if either top or left is auto and position is either absolute or fixed
10076                 if ( calculatePosition ) {
10077                         curPosition = curElem.position();
10078                         curTop = curPosition.top;
10079                         curLeft = curPosition.left;
10080                 } else {
10081                         curTop = parseFloat( curCSSTop ) || 0;
10082                         curLeft = parseFloat( curCSSLeft ) || 0;
10083                 }
10084
10085                 if ( jQuery.isFunction( options ) ) {
10086                         options = options.call( elem, i, curOffset );
10087                 }
10088
10089                 if ( options.top != null ) {
10090                         props.top = ( options.top - curOffset.top ) + curTop;
10091                 }
10092                 if ( options.left != null ) {
10093                         props.left = ( options.left - curOffset.left ) + curLeft;
10094                 }
10095
10096                 if ( "using" in options ) {
10097                         options.using.call( elem, props );
10098                 } else {
10099                         curElem.css( props );
10100                 }
10101         }
10102 };
10103
10104 jQuery.fn.extend({
10105         offset: function( options ) {
10106                 if ( arguments.length ) {
10107                         return options === undefined ?
10108                                 this :
10109                                 this.each(function( i ) {
10110                                         jQuery.offset.setOffset( this, options, i );
10111                                 });
10112                 }
10113
10114                 var docElem, win,
10115                         box = { top: 0, left: 0 },
10116                         elem = this[ 0 ],
10117                         doc = elem && elem.ownerDocument;
10118
10119                 if ( !doc ) {
10120                         return;
10121                 }
10122
10123                 docElem = doc.documentElement;
10124
10125                 // Make sure it's not a disconnected DOM node
10126                 if ( !jQuery.contains( docElem, elem ) ) {
10127                         return box;
10128                 }
10129
10130                 // If we don't have gBCR, just use 0,0 rather than error
10131                 // BlackBerry 5, iOS 3 (original iPhone)
10132                 if ( typeof elem.getBoundingClientRect !== strundefined ) {
10133                         box = elem.getBoundingClientRect();
10134                 }
10135                 win = getWindow( doc );
10136                 return {
10137                         top: box.top  + ( win.pageYOffset || docElem.scrollTop )  - ( docElem.clientTop  || 0 ),
10138                         left: box.left + ( win.pageXOffset || docElem.scrollLeft ) - ( docElem.clientLeft || 0 )
10139                 };
10140         },
10141
10142         position: function() {
10143                 if ( !this[ 0 ] ) {
10144                         return;
10145                 }
10146
10147                 var offsetParent, offset,
10148                         parentOffset = { top: 0, left: 0 },
10149                         elem = this[ 0 ];
10150
10151                 // fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is its only offset parent
10152                 if ( jQuery.css( elem, "position" ) === "fixed" ) {
10153                         // we assume that getBoundingClientRect is available when computed position is fixed
10154                         offset = elem.getBoundingClientRect();
10155                 } else {
10156                         // Get *real* offsetParent
10157                         offsetParent = this.offsetParent();
10158
10159                         // Get correct offsets
10160                         offset = this.offset();
10161                         if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
10162                                 parentOffset = offsetParent.offset();
10163                         }
10164
10165                         // Add offsetParent borders
10166                         parentOffset.top  += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true );
10167                         parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true );
10168                 }
10169
10170                 // Subtract parent offsets and element margins
10171                 // note: when an element has margin: auto the offsetLeft and marginLeft
10172                 // are the same in Safari causing offset.left to incorrectly be 0
10173                 return {
10174                         top:  offset.top  - parentOffset.top - jQuery.css( elem, "marginTop", true ),
10175                         left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true)
10176                 };
10177         },
10178
10179         offsetParent: function() {
10180                 return this.map(function() {
10181                         var offsetParent = this.offsetParent || docElem;
10182
10183                         while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position" ) === "static" ) ) {
10184                                 offsetParent = offsetParent.offsetParent;
10185                         }
10186                         return offsetParent || docElem;
10187                 });
10188         }
10189 });
10190
10191 // Create scrollLeft and scrollTop methods
10192 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
10193         var top = /Y/.test( prop );
10194
10195         jQuery.fn[ method ] = function( val ) {
10196                 return access( this, function( elem, method, val ) {
10197                         var win = getWindow( elem );
10198
10199                         if ( val === undefined ) {
10200                                 return win ? (prop in win) ? win[ prop ] :
10201                                         win.document.documentElement[ method ] :
10202                                         elem[ method ];
10203                         }
10204
10205                         if ( win ) {
10206                                 win.scrollTo(
10207                                         !top ? val : jQuery( win ).scrollLeft(),
10208                                         top ? val : jQuery( win ).scrollTop()
10209                                 );
10210
10211                         } else {
10212                                 elem[ method ] = val;
10213                         }
10214                 }, method, val, arguments.length, null );
10215         };
10216 });
10217
10218 // Add the top/left cssHooks using jQuery.fn.position
10219 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
10220 // getComputedStyle returns percent when specified for top/left/bottom/right
10221 // rather than make the css module depend on the offset module, we just check for it here
10222 jQuery.each( [ "top", "left" ], function( i, prop ) {
10223         jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
10224                 function( elem, computed ) {
10225                         if ( computed ) {
10226                                 computed = curCSS( elem, prop );
10227                                 // if curCSS returns percentage, fallback to offset
10228                                 return rnumnonpx.test( computed ) ?
10229                                         jQuery( elem ).position()[ prop ] + "px" :
10230                                         computed;
10231                         }
10232                 }
10233         );
10234 });
10235
10236
10237 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
10238 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
10239         jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
10240                 // margin is only for outerHeight, outerWidth
10241                 jQuery.fn[ funcName ] = function( margin, value ) {
10242                         var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
10243                                 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
10244
10245                         return access( this, function( elem, type, value ) {
10246                                 var doc;
10247
10248                                 if ( jQuery.isWindow( elem ) ) {
10249                                         // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
10250                                         // isn't a whole lot we can do. See pull request at this URL for discussion:
10251                                         // https://github.com/jquery/jquery/pull/764
10252                                         return elem.document.documentElement[ "client" + name ];
10253                                 }
10254
10255                                 // Get document width or height
10256                                 if ( elem.nodeType === 9 ) {
10257                                         doc = elem.documentElement;
10258
10259                                         // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], whichever is greatest
10260                                         // unfortunately, this causes bug #3838 in IE6/8 only, but there is currently no good, small way to fix it.
10261                                         return Math.max(
10262                                                 elem.body[ "scroll" + name ], doc[ "scroll" + name ],
10263                                                 elem.body[ "offset" + name ], doc[ "offset" + name ],
10264                                                 doc[ "client" + name ]
10265                                         );
10266                                 }
10267
10268                                 return value === undefined ?
10269                                         // Get width or height on the element, requesting but not forcing parseFloat
10270                                         jQuery.css( elem, type, extra ) :
10271
10272                                         // Set width or height on the element
10273                                         jQuery.style( elem, type, value, extra );
10274                         }, type, chainable ? margin : undefined, chainable, null );
10275                 };
10276         });
10277 });
10278
10279
10280 // The number of elements contained in the matched element set
10281 jQuery.fn.size = function() {
10282         return this.length;
10283 };
10284
10285 jQuery.fn.andSelf = jQuery.fn.addBack;
10286
10287
10288
10289
10290 // Register as a named AMD module, since jQuery can be concatenated with other
10291 // files that may use define, but not via a proper concatenation script that
10292 // understands anonymous AMD modules. A named AMD is safest and most robust
10293 // way to register. Lowercase jquery is used because AMD module names are
10294 // derived from file names, and jQuery is normally delivered in a lowercase
10295 // file name. Do this after creating the global so that if an AMD module wants
10296 // to call noConflict to hide this version of jQuery, it will work.
10297 if ( typeof define === "function" && define.amd ) {
10298         define( "jquery", [], function() {
10299                 return jQuery;
10300         });
10301 }
10302
10303
10304
10305
10306 var
10307         // Map over jQuery in case of overwrite
10308         _jQuery = window.jQuery,
10309
10310         // Map over the $ in case of overwrite
10311         _$ = window.$;
10312
10313 jQuery.noConflict = function( deep ) {
10314         if ( window.$ === jQuery ) {
10315                 window.$ = _$;
10316         }
10317
10318         if ( deep && window.jQuery === jQuery ) {
10319                 window.jQuery = _jQuery;
10320         }
10321
10322         return jQuery;
10323 };
10324
10325 // Expose jQuery and $ identifiers, even in
10326 // AMD (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
10327 // and CommonJS for browser emulators (#13566)
10328 if ( typeof noGlobal === strundefined ) {
10329         window.jQuery = window.$ = jQuery;
10330 }
10331
10332
10333
10334
10335 return jQuery;
10336
10337 }));