Index: lams_tool_survey/web/includes/javascript/surveyitem.js
===================================================================
RCS file: /usr/local/cvsroot/lams_tool_survey/web/includes/javascript/surveyitem.js,v
diff -u -r1.3 -r1.4
--- lams_tool_survey/web/includes/javascript/surveyitem.js	7 Apr 2008 07:26:26 -0000	1.3
+++ lams_tool_survey/web/includes/javascript/surveyitem.js	23 Jul 2013 17:53:37 -0000	1.4
@@ -91,6 +91,10 @@
 			$("instructionList").value = Form.serialize("instructionForm");
 		$("surveyItemForm").submit();
 	}
+	
 	function cancelSurveyItem(){
-		window.top.hideMessage();
+		var win = window.hideMessage ? window : window.top;
+		if (win.hideMessage != null){
+			win.hideMessage();
+		}
 	}