Ticket #2923: 2923_2.patch

_source/core/dom/domobject.js

@@ -50 +50 @@
         {
                 return function( domEvent )
                 {
-                        domObject.fire( eventName, new CKEDITOR.dom.event( domEvent ) );
+                        if ( undefined === window.CKEDITOR )
+                                return;
+
+                        domObject.fire( eventName, new window.CKEDITOR.dom.event( domEvent ) );
                 };
         };
 

_source/core/editor_basic.js

@@ -163 +163 @@
                 /** @ignore */
                 fire : function( eventName, data )
                 {
-                        return CKEDITOR.event.prototype.fire.call( this, eventName, data, this );
+                        return window.CKEDITOR.event.prototype.fire.call( this, eventName, data, this );
                 },
 
                 /** @ignore */