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

var	menu12	=	ms.addMenu(document.getElementById("mainmenu12"));
menu12.addItem("本站公告",	"/index.php/news/rmxwjdw/1/cn/13444/13385.html","");
menu12.addItem("会员中心",	"/userlist/rmxwjdw/text-13445.html","");
menu12.addItem("工作人员查询系统",	"/userlist/rmxwjdw/text-13476.html","");

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