function updatemenu(id) {
	if (id==''){
		for (var i = 1; i<=10; i++) {
			if (document.getElementById('submenu'+i)) { 
				if (document.getElementById('submenu'+i).className=='selected'){
					document.getElementById('submenu'+i).style.display='block';
				}else{ document.getElementById('submenu'+i).style.display='none';}
			}
		}
	}else{
		var d = document.getElementById(id);
		for (var i = 1; i<=10; i++) {
			if (document.getElementById('submenu'+i)) { document.getElementById('submenu'+i).style.display='none';}
		}
		if (d) {d.style.display='block';}
	}
}