jquery functions in composite component

<?page title="" contentType="text/html;charset=UTF-8"?>
<zk>
	<div
		style="position: absolute; border:solid 1px #333; background:#00b; 
				color:#000;top:10px;left:50%;margin-left:-50px;width:100px; z-index:99999;text-align:center;"
		xmlns:w="http://www.zkoss.org/2005/zk/client" >
		<label id="lblStatus" />
		<attribute w:name="setVisible">
			function (value) { 
				var sm = this; 
				if(value) {
					jq(sm).fadeIn('fast'); 
					setTimeout(function() { jq(sm).fadeOut('slow') } , 3000); 
				} 
			}
		</attribute>
	</div>
</zk>

public class StatusMessage extends Div implements IdSpace {
	private static final long serialVersionUID = 5994732340875475703L;
	/***************** WIRED ************************/
	private Label lblStatus;
	
	/******* C'tor *************************/
	public StatusMessage() {
		Executions.createComponents("/WEB-INF/composite/statusmessage.zul", this, null);
		Components.wireVariables(this, this, '$', true, true);
		Components.addForwards(this, this, '$');
	}
	
	/******* Properties*********************/
	public String getValue() {
		return lblStatus.getValue();
	}
	public void setValue(String value) {
		this.lblStatus.setValue(value);
	}
}