function popupBox(url)
{
	var width = 736;
	var height = 530;
	var left = (screen.availWidth / 2) - (width / 2);
	var top = (screen.availHeight / 2) - (height / 2);
	if (left < 0) left = 0;
	if (top < 0) top = 0;
	
	window.open(url, "_blank", "toolbar=no, location=no, directories=no, status=no" +
				"menubar=no, scrollbars=yes, resizable=no, copyhistory=no," +
				"width=" + width + ", height=" + height + ", left=" + left + ", top=" + top);
}
function closePage()
{
	window.close();
}
function printPage()
{
	window.print();
}