submenu code

        var submenuTimerId = 0;
	var last_menu;
	function submenuOver(id){
		$(id+'_link').setStyle({zIndex:50});
		$(id).appear({duration: 0.3});
		clearTimeout(submenuTimerId);
		if ( ( typeof( window[ 'last_menu' ] ) != "undefined" ) && !(id == last_menu) ){
			submenuClose(last_menu);
		}
	}
	function submenuOut(id){
		last_menu = id;
		submenuTimerId = setTimeout('submenuClose("'+id+'")', 2000);
	}
	function submenuClose(id){
		$(id).hide();
		$(id+'_link').setStyle({zIndex:'0'});
	}