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

var	menu2	=	ms.addMenu(document.getElementById("mainmenu2"));
menu2.addItem("领导致辞",	"/userlist/dydl/text-1563.html","");
menu2.addItem("公司简介",	"/userlist/dydl/text-1564.html","");
menu2.addItem("资质证书",	"/userlist/dydl/text-1565.html","");
menu2.addItem("生产设备",	"/userlist/dydl/text-1566.html","");
var	menu3	=	ms.addMenu(document.getElementById("mainmenu3"));
menu3.addItem("稀土铝合金电缆系列",	"/index.php/list/dydl/0/cn/1457/1457.html","");
menu3.addItem("铝合金电缆相关配件",	"/index.php/shop/dydl/1/cn/1671/1457.html","");
var	menu5	=	ms.addMenu(document.getElementById("mainmenu5"));
menu5.addItem("- 行业信息",	"/index.php/news/dydl/1/cn/1466/1463.html","");

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