<xp:checkBox text="Check all" id="chkCheckAll"> <xp:eventHandler event="onclick" submit="false"> <xp:this.script><![CDATA[dojo.query("input[name=\"#{id:checkBoxGroup}\"]").forEach( function(node) { node.checked = document.getElementById("#{id:chkCheckAll}").checked; } )]]></xp:this.script> </xp:eventHandler> </xp:checkBox>