function openWindow (url, width, height) {	

	width = width + 20;
	height = height + 20;
	var left = screen.width / 2 - width / 2;
	var top = screen.height / 2 - height / 2;

	var newWindow = window.open(url, "119ad58663cb5c049408f08f4c5d12eb", "width="+ width +"px, height="+ height +"px, left="+ left +"px, top="+ top +"px");
}