function menuUpdate (page, subpage) {
	var menu_item = document.getElementById('menu-' + page);
	if (menu_item) {
		if (subpage != '') {
			var links = menu_item.getElementsByTagName('a');
			for (var i = 0; i < links.length; i++) {
				if (links[i].href.substr(links[i].href.length - subpage.length - 1) == '=' + subpage) {
					links[i].href='javascript:;';
					links[i].className = 'selected';
				}
			}
		} else {
			menu_item.getElementsByTagName('a')[0].className = 'selected';
			menu_item.getElementsByTagName('a')[0].href = 'javascript:;';
		}
	}
}