var popUp = null;
	var chasm = screen.availWidth;
	var mount = screen.availHeight;
	var w = 0;
	var h = 0;
	function openWindow(url,w,h) {
	
	popUp = window.open(url,'','width=' + w + ',height=' + h + ',left=' + ((chasm - w - 10) * .5) + ',top=' + ((mount - h - 30) * .5));
	}