function toggleMenu(listID,linkID) {
	if (!document.getElementById) return;
	
	var listStyle = document.getElementById(listID).style;
	var linkClass = document.getElementById(linkID);
	listStyle.display = (listStyle.display == 'block')?'none': 'block';

	if(listStyle.display == 'block') {
		linkClass.className = 'mHeaderOpen';
		}
		else {
		linkClass.className = 'mHeaderClosed';
		}
	}	
	
	
function getTopic() {
	var s = location.toString();
	var b = s.lastIndexOf("/");
	var e = s.lastIndexOf("_");
	return s.substring(b+1, e);
}