+import jalview.schemes.Blosum62ColourScheme;
+import jalview.schemes.BuriedColourScheme;
+import jalview.schemes.ClustalxColourScheme;
+import jalview.schemes.HelixColourScheme;
+import jalview.schemes.HydrophobicColourScheme;
+import jalview.schemes.NucleotideColourScheme;
+import jalview.schemes.PIDColourScheme;
+import jalview.schemes.ResidueProperties;
+import jalview.schemes.StrandColourScheme;
+import jalview.schemes.TaylorColourScheme;
+import jalview.schemes.TurnColourScheme;
+import jalview.schemes.ZappoColourScheme;
+import jalview.util.MessageManager;
+import jalview.util.UrlLink;
+
+import java.awt.CheckboxMenuItem;
+import java.awt.Frame;
+import java.awt.Menu;
+import java.awt.MenuItem;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
+import java.util.Vector;