Capture x button on Siebel Popup Applet

From impossible siebel post - Jason Le
===========================

function Applet_Load () {
var oCon = this.FindActiveXControl("NewQuery");
var obody = oCon.document.body;
var odiv = oCon.document.createElement("script");
odiv.type = "text/javascript";
odiv.language = "javascript";
odiv.text = "window.onresize=UnloadTrigger;function UnloadTrigger(){if(document.body.clientHeight==0&&document.body.clientWidth==0){alert('You close the popup applet');}}";
obody.appendChild(odiv);
}