Call Zscript from java composer

<?component name="top" inline="true" macro-uri="top.zul" ?>
<?component name="menu" inline="true" macro-uri="menu.zul" ?>
<?component name="menusee" inline="true" macro-uri="menuSee.zul" ?>

<window id="wintoday" onCreate="initStatus()" apply="com.nsa.n74.tvshowtrackerewb.zk.window.windowSeeToday" >
<top />
${labels.welcome} <label id="user"></label> 
<menu />

<div>
<menusee />
</div>

<div>
	Days Before Today : <intbox id="txt1" value="2" />
	Days After Today : <intbox id="txt2" value="1" />
	<button id="btnrefresh"  label="Refresh" onClick="seeToday(txt1.getValue() , txt2.getValue() )" />
	Res : <label id="lblres" />
</div>


<zscript><![CDATA[
public void test()
{
	try
	{
		Messagebox.show("in zscript");
	}catch(Exception e){}
}

]]></zscript>
</window>

public class windowSeeToday extends GenericForwardComposer 
{
	private Window wintoday;
	private Intbox txt1;
	private Intbox txt2;

	public void onOK$txt1(){
		st();
	}
	public void onOK$txt2(){
		st();
	}
	public void st(){
		
		wintoday.getPage().getZScriptFunction("test()",null);

	}
}