Ticket #5091: 5091.patch

_source/plugins/wysiwygarea/plugin.js

@@ -779 +779 @@
         // Fixing Firefox 'Back-Forward Cache' break design mode. (#4514)
         if( CKEDITOR.env.gecko )
         {
-                var topWin = window.top;
-
                 ( function ()
                 {
-                        var topBody = topWin.document.body;
+                        var body = document.body;
 
-                        if( !topBody )
-                                topWin.addEventListener( 'load', arguments.callee, false );
+                        if( !body )
+                                window.addEventListener( 'load', arguments.callee, false );
                         else
                         {
-                                topBody.setAttribute( 'onpageshow', topBody.getAttribute( 'onpageshow' )
+                                body.setAttribute( 'onpageshow', body.getAttribute( 'onpageshow' )
                                                 + ';event.persisted && CKEDITOR.tools.callFunction(' +
                                                 CKEDITOR.tools.addFunction( function()
                                                 {