function addLoadEvent(func) {
		var oldonload = window.onload;
		if (typeof window.onload != 'function') {
			window.onload = func;
		} else {
			window.onload = function() {
				if (oldonload) {
					oldonload();
				}
				func;
			}
		}
	}
	function addItemToList(myList, myItem, sep) {
		if (sep == "") { sep = ", " }
		if (myList.length == 0) {
			return myItem;
		} else {
			return myList + sep + myItem;
		}
	}