Index: lams_tool_chat/web/WEB-INF/struts/tiles-defs.xml
===================================================================
diff -u -rb12cb57275e44b7354b0ed0b68b9a179aa9d0576 -rff20896b171dd911f58f729fcb3e2ed1e9f53ed8
--- lams_tool_chat/web/WEB-INF/struts/tiles-defs.xml	(.../tiles-defs.xml)	(revision b12cb57275e44b7354b0ed0b68b9a179aa9d0576)
+++ lams_tool_chat/web/WEB-INF/struts/tiles-defs.xml	(.../tiles-defs.xml)	(revision ff20896b171dd911f58f729fcb3e2ed1e9f53ed8)
@@ -91,13 +91,13 @@
 		<put name="body" value="/pages/monitoring/monitoring.jsp" />
 	</definition>
 	
-	<definition name="tiles:/monitoring/chat_client" extends="tiles:/layout:tab">
+	<definition name="tiles:/monitoring/chat_client" extends="tiles:/layout:default">
 		<put name="pageTitleKey" value="pageTitle.monitoring" />
 		<put name="header" value="tiles:/header:monitoring/chat_client" />
 		<put name="body" value="/chat_client/chat_ui.jsp" />
 	</definition>
 		
-	<definition name="tiles:/monitoring/chat_history" extends="tiles:/layout:tab">
+	<definition name="tiles:/monitoring/chat_history" extends="tiles:/layout:default">
 		<put name="pageTitleKey" value="pageTitle.monitoring.chatHistory"></put>
 		<put name="header" value="tiles:/header:monitoring/chat_history"></put>
 		<put name="body" value="/pages/monitoring/chatHistory.jsp"></put>