Index: lams_tool_laqa/web/authoring/addCondition.jsp
===================================================================
diff -u -r2b350be06485bbfe1da8c66def9fc2cd81e883a8 -rc2ba0dc3e2d99441897de8d185e83c419a416f2d
--- lams_tool_laqa/web/authoring/addCondition.jsp	(.../addCondition.jsp)	(revision 2b350be06485bbfe1da8c66def9fc2cd81e883a8)
+++ lams_tool_laqa/web/authoring/addCondition.jsp	(.../addCondition.jsp)	(revision c2ba0dc3e2d99441897de8d185e83c419a416f2d)
@@ -8,15 +8,11 @@
 		<lams:css style="tabbed" />
 		<script type="text/javascript"> 
 			function callHideConditionMessage() {
-				var win = null;
-				if (window.hideConditionMessage) {
-					win = window;
-				} else if (window.parent && window.parent.hideConditionMessage) {
-					win = window.parent;
-				} else {
-					win = window.top;
+				if (window.parent && window.parent.hideConditionMessage) {
+					window.parent.hideConditionMessage();
+				} else if (window.top && window.top.hideConditionMessage) {
+					window.top.hideConditionMessage();
 				}
-				win.hideConditionMessage();
 			}
 		</script>
 	</lams:head>