tapestry/tapestry-contrib/src/java/org/apache/tapestry/contrib/ajax/Timeout.html

<span jwcid="@If" condition="ognl:inSession">
<span jwcid="script"/><span jwcid="@XTile" listener="ognl:listeners.renewSession" 
	sendName="TimeoutRenewSession" receiveName="TimeoutSessionRenewed" disableCaching="true"/>
</span>