function openWindow (URL, w, h) {
	var winl = (screen.availWidth - w) / 2;
	var wint = (screen.availHeight - h) / 2;
	var win = window.open(URL,'win','top='+wint+',left='+winl+',scrollbars=no,toolbar=no,menubar=no,location=no,status=no,resizable=yes,width='+w+',height='+h, true);
	//var win = window.open(URL,'win','top='+wint+',left='+winl+',scrollbars=yes,toolbar=yes,menubar=yes,location=yes,status=yes,resizable=yes,width='+w+',height='+h, true);
	win.focus();
}