if (mtDropDown.isSupported()) {

		var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 0, mtDropDown.reference.bottomLeft);
  
		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- 正业简介", "Company.asp?id=1");
		menu1.addItem("- 企业文化", "Company.asp?id=2");
		menu1.addItem("- 经营理念", "Company.asp?id=3");
		menu1.addItem("- 部分客户", "Company.asp?id=4");
		menu1.addItem("- 人才招聘", "Company.asp?id=6");

		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("- 品牌介绍", "Products.asp?id=1");
		menu2.addItem("- 产品列表", "Products.asp?id=2");
		menu2.addItem("- 推荐产品", "Products.asp?id=3");
		menu2.addItem("- 应用市场", "Products.asp?id=4");
		menu2.addItem("- 增值服务", "Products.asp?id=5");
	
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("- 常见问题", "Service.asp?id=1");
		menu3.addItem("- 样品申请", "Service.asp?id=5");
    
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("- 行业资讯", "News.asp?id=8");
		menu4.addItem("- 正业记事", "News.asp?id=9");

		var menu5 = ms.addMenu(document.getElementById("menu5"));
		menu5.addItem("- 联系我们", "Contact.asp?id=1");
		menu5.addItem("- 在线反馈", "Contact.asp?id=4");

		mtDropDown.renderAll();
	}