if (mtDropDown.isSupported()) 
		{
			var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 0, mtDropDown.reference.bottomLeft);

var	menu2	=	ms.addMenu(document.getElementById("mainmenu2"));
menu2.addItem("苹果简介",	"/userlist/apple98/text-636.html","");
menu2.addItem("苹果文化",	"/userlist/apple98/text-637.html","");
menu2.addItem("总经理致辞",	"/userlist/apple98/text-638.html","");
var	menu4	=	ms.addMenu(document.getElementById("mainmenu4"));
menu4.addItem("苹果DJ",	"/index.php/list/apple98/1/cn/634/601.html","");
menu4.addItem("苹果歌手",	"/index.php/list/apple98/1/cn/635/601.html","");
menu4.addItem("苹果酒水",	"/index.php/list/apple98/1/cn/633/601.html","");

			mtDropDown.renderAll();
		}
		//初始菜单
		window.onload = init;