Miscellany

		var cbxs = document.getElementsByTagName('input');
		for (var i in cbxs) {
			var unique = true;
			for (var j in listSegIds) {
				if (listSegIds[j] == cbxs[i].id) {
					unique = false;
				} 
			}
			if (unique && cbxs[i].type == "checkbox" 
				&& cbxs[i].id.indexOf("segID") != -1) {
				count++;
				listSegIds.push(cbxs[i].id);
			}
		}