add caption (image) with proper height.

<?xml version="1.0" encoding="UTF-8"?>
<zk xmlns="http://www.zkoss.org/2005/zul">
<?page title="ZK Store - Login"?>


<style>
body{
background-image:url('jpgXCSbkjv6lV[1].jpg');
}
</style>



    <window id="loginWin" border="normal" style="color :red" width="250px" title="Sign In With Your User Name" position="center" mode="overlapped">
       <caption image="images[10].jpg"  ></caption> 


        <grid>
            <rows>
                <row>Name: 
                    <textbox id="username" width="200px"></textbox>
                </row>
                <row>Password: 
                    <textbox id="password" type="password" width="200px"></textbox>
                </row>
            </rows>
        </grid>
        <button id="confirmBtn" label="Login " onClick="loginCheck()"></button>

        <zscript><![CDATA[
			void loginCheck () {
				if ((username.getValue().equals("sysadmin") && password.getValue().equals("rede"))){
					Executions.sendRedirect("index.zul");
				} else if ((username.getValue().equals("pasquale") && password.getValue().equals("pasquale"))) {
					Executions.sendRedirect("index.zul");
				}else{
					Executions.sendRedirect("forum.zul");
				};
			  }
        ]]></zscript>

    </window>
</zk>