<window width="100%" height="100%" border="normal" title="ZK ${desktop.webApp.version}">
    <script type="text/javascript"><![CDATA[
        zk.afterMount(function () {
            zk.beforeUnload(function() {
                zk.log("invoke beforeUnload") 
            });
        });
    ]]></script>
    <datebox />
</window>

zk.afterLoad('zul.db', function() {
    var xCalendar = {};
    zk.override(zul.db.Calendar.prototype, xCalendar, {
        _clickArrow: function(evt) {
            xCalendar._clickArrow.apply(this, arguments);
            if (zk.ie < 11) {
                evt.stop({dom:true});
            }
        }
    });     
});