Index: branches/RC/core/admin_templates/no_permission.tpl
===================================================================
diff -u -r9281 -r11482
--- branches/RC/core/admin_templates/no_permission.tpl	(.../no_permission.tpl)	(revision 9281)
+++ branches/RC/core/admin_templates/no_permission.tpl	(.../no_permission.tpl)	(revision 11482)
@@ -15,8 +15,8 @@
 
 	  			a_toolbar.AddButton( new ToolBarButton('prev', '<inp2:m_phrase label="la_ToolTip_Back" escape="1"/>',
 						function() {
-							if (window.opener != null) {
-								window.close();
+							if (getWindowOpener(window) != null) {
+								window_close();
 							}
 							else {
 								history.back();