if (mtDropDown.isSupported()) {

		var ms = new mtDropDownSet(mtDropDown.direction.down, 7, 1, mtDropDown.reference.bottomLeft);

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("   关于我们   ", "About.asp?id=21");
		menu1.addItem("   发展历程   ", "about.asp?id=28");
		menu1.addItem("   未来展望   ", "about.asp?id=27");
		
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("   钢丝    ", "ProductShow.asp?id=743&sid=69");
		menu2.addItem("   钢丝绳    ", "ProductShow.asp?id=747&sid=70");
		menu2.addItem("   钢绞线    ", "ProductShow.asp?id=746&sid=72");
		menu2.addItem("   生产流程    ", "ProductShow.asp?id=748&sid=74");
		menu2.addItem("   产品包装    ", "ProductShow.asp?id=749&sid=75");
		menu2.addItem("   执行标准    ", "ProductShow.asp?id=750&sid=77");
		
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("   原料选择    ", "quality.asp?id=30");
		menu3.addItem("   质量控制    ", "quality.asp?id=29");
		menu3.addItem("   认证体系   ", "quality.asp?id=31");


		
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("   新闻中心   ", "news.asp");
		menu4.addItem("   资料下载   ", "downLoad.asp");
		menu4.addItem("   服务体系   ", "service.asp?id=32");

		
		var menu5 = ms.addMenu(document.getElementById("menu5"));
		menu5.addItem("   联系方式   ", "contactus.asp?id=22");
		menu5.addItem("   在线询盘   ", "inquiry.asp");
		mtDropDown.renderAll();
	}