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

var	menu2	=	ms.addMenu(document.getElementById("mainmenu2"));
menu2.addItem("公司简介",	"/userlist/jscsxmgl/text-6652.html","");
menu2.addItem("企业资质",	"/index.php/list/jscsxmgl/1/cn/6812/6639.html","");
menu2.addItem("企业荣誉",	"/index.php/list/jscsxmgl/1/cn/6653/6639.html","");
menu2.addItem("企业文化",	"/userlist/jscsxmgl/text-6655.html","");
menu2.addItem("董事长致辞",	"/userlist/jscsxmgl/text-6654.html","");
var	menu4	=	ms.addMenu(document.getElementById("mainmenu4"));
menu4.addItem("国家文件",	"/index.php/news/jscsxmgl/1/cn/6658/6641.html","");
menu4.addItem("省级文件",	"/index.php/news/jscsxmgl/1/cn/6659/6641.html","");

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