Index: /CKEditor/branches/prototype/_source/plugins/dialog/plugin.js
===================================================================
--- /CKEditor/branches/prototype/_source/plugins/dialog/plugin.js	(revision 2516)
+++ /CKEditor/branches/prototype/_source/plugins/dialog/plugin.js	(revision 2517)
@@ -115,5 +115,5 @@
 				for ( var i in this._.contents )
 				{
-					if ( this._.contents[i].validate && !this._.contents[i].validate( dialog ) )
+					if ( this._.contents[i].validate && !this._.contents[i].validate( this ) )
 					{
 						evt.data.hide = false;