<zk>
	<script>
	zk.afterLoad('zul.db', function () {
	
		var _xRenderer = {};
		zk.override(zul.db.Renderer, _xRenderer, {
			titleHTML: function (wgt, out, localizedSymbols) {
				_xRenderer.titleHTML.apply(this, arguments); //call the original method
				var uuid = wgt.uuid,
				    view = wgt._view,
				    text = wgt.getZclass() + '-ctrler';
				    
				if(view == 'day') {
					out.push('&lt;span id="', uuid, '-today" class="', text, '"', 
						' onClick="var cal = zk.Widget.$(\'$', wgt.parent.id, '\')._pop; cal._value = null; cal._setTime();"',
						' &gt;', ' today', '&lt;/span&gt;');
				}
			}
		});
	});		
	</script>
	<datebox id="db" onChange=""></datebox>
</zk>