+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Font;
+import java.awt.event.ActionEvent;
+import java.awt.event.MouseEvent;
+import java.util.Collection;
+import java.util.StringTokenizer;
+import java.util.Vector;
+
+import javax.swing.JColorChooser;
+import javax.swing.JFileChooser;
+import javax.swing.JInternalFrame;
+import javax.swing.JOptionPane;
+