// Popup an Add to Calendar window to download a VCS (vCalendar) file
function add2cal(obj) {
	var url = "add2calendar.asp";
	var aPrefix = "IAMP";
	var aDate = obj.date;
	var aType = obj.className;
	var aText = obj.innerHTML;
	url += "?date=" + aDate + "&text=" + aPrefix + " " + aType.slice(0, 1).toUpperCase() + aType.slice(1) +  ": " + aText;
	popupWindow(200, 100, url);
	return false;
}