function onMenu( obj ){
	var menu = obj.getElementsByTagName("ol").item(0);
	if(menu){
		menu.style.display = "block";
		}
	if(obj.tagName.match(/li/i)){
		obj.style.backgroundColor = "";
		}
	}
	function outMenu( obj ){
	var menu = obj.getElementsByTagName("ol").item(0);
	if(menu){
		menu.style.display = "none";
		}
	if(obj.tagName.match(/li/i)){
		obj.style.backgroundColor = "";
		}
	}