wicket-extensions/src/java/wicket/extensions/markup/html/repeater/data/table/filter/FilterToolbar.html

<wicket:head>

	<script language="javascript" type="text/javascript">

	function _filter_focus(ctrl, trackerId) {
		document.getElementById(trackerId).value=ctrl.id;
	}
	
	function _filter_focus_restore(trackerId) {
		var tracker=document.getElementById(trackerId);
		if (tracker!=null) {
			var focused=tracker.value;
			if (focused!="") {
				document.getElementById(focused).focus();
			}
		}
	}
	
	</script>

</wicket:head>
<wicket:panel>
<tr class="filters-tr">
	<form wicket:id="filter-form">
		<input type="hidden" name="tracker" wicket:id="focus-tracker"/>
		<span wicket:id="filters">
			<td wicket:id="filter" class="filter-td">[filter]</td>
		</span>
	</form>
	<span wicket:id="focus-restore">[call to focus restore script]</span>
</tr>
</wicket:panel>