Index: lams_tool_chat/web/common/header.jsp
===================================================================
diff -u -r9e7c2437b86776f0e624d9accf78611da315d5cf -rfbc411f86ff3a2c17705505093f021eaedf9b7fa
--- lams_tool_chat/web/common/header.jsp	(.../header.jsp)	(revision 9e7c2437b86776f0e624d9accf78611da315d5cf)
+++ lams_tool_chat/web/common/header.jsp	(.../header.jsp)	(revision fbc411f86ff3a2c17705505093f021eaedf9b7fa)
@@ -11,6 +11,8 @@
 	<title>
 		<bean:message key="activity.title" />
 	</title>
-	<lams:headItems/>
-	<tiles:insert attribute="script" />
+	<lams:headItems />
+	<logic:notEmpty name="script">
+		<tiles:insert attribute="script" />
+	</logic:notEmpty>
 </head>