Index: /CKEditor/branches/prototype/_source/plugins/dialog/plugin.js
===================================================================
--- /CKEditor/branches/prototype/_source/plugins/dialog/plugin.js	(revision 2710)
+++ /CKEditor/branches/prototype/_source/plugins/dialog/plugin.js	(revision 2711)
@@ -217,4 +217,5 @@
 						{
 							evt.data.hide = false;
+							evt.stop();
 							return true;
 						}