function openWindow(url)
{
	var width = 650;
	var height = 500;
	
	var left = (screen.width - width) / 2;
	var top = (screen.height - height) / 3;
	
	var id = url.substring(url.indexOf("/")).replace(/\//g, "_");
	window.open(url, id, "width=" + width + ",height=" + height + ",left=" + left.toFixed(0) + ",top=" + top.toFixed(0) + ",location=no,menubar=no,resizable=yes,scrollbars=yes,status=no,toolbar=no");
}