--- plugin.js	2011-02-14 15:15:32.471594900 +0300
+++ plugin_fixed.js	2011-02-14 14:26:17.431518300 +0300
@@ -301,7 +301,10 @@
 						// Set the panel frame focus, so the blur event gets fired.
 						CKEDITOR.tools.setTimeout( function()
 						{
-							iframe.$.contentWindow.focus();
+							if ( CKEDITOR.env.ie )
+								iframe.focus();
+							else
+								iframe.$.contentWindow.focus();
 							// We need this get fired manually because of unfired focus() function.
 							this.allowBlur( true );
 						}, 0, this);