// new popup
function popitup(url,w,h) {
	var wint = (screen.height-h)/2;	
	var winl = (screen.width-w)/2;
	newwindow=window.open(url, "external", "width=" + w +",height=" + h + ",top=" + wint +",left=" + winl + ",resizable=yes,scrollbars=yes,status=no,location=no,toolbar=no,menubar=no,directories=no,titlebar=no");
	if (window.focus) {newwindow.focus()}
	return false;
}