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

var	menu2	=	ms.addMenu(document.getElementById("mainmenu2"));
menu2.addItem("本院公告",	"/index.php/news/fanli/1/cn/16048/16009.html","");
var	menu3	=	ms.addMenu(document.getElementById("mainmenu3"));
menu3.addItem("本院简介",	"/userlist/fanli/text-16005.html","");
menu3.addItem("院长简介",	"/userlist/fanli/text-16006.html","");
menu3.addItem("组织机构",	"/userlist/fanli/text-16008.html","");
menu3.addItem("本院章程",	"/userlist/fanli/text-16041.html","");

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