if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- 公司简介","about.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("- 公司理念","about01.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("- 荣誉资质","Honor.asp");
		menu1.addItem("- 市场分布","about02.asp");
	
//第二菜单
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("- 最新通告", "news_list.asp?owen1=最新通告"); 
		menu2.addItem("- 新闻动态", "news_list.asp?owen1=新闻动态");
		menu2.addItem("- 健康常识", "news_list.asp?owen1=健康常识");// send no URL if nothing should happen onclick
	
		// menu : 3
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("- 家用型", "Product.asp?BigClassName=家用型");
		menu3.addItem("- 商用型", "Product.asp?BigClassName=商用型");
	    menu3.addItem("- 大型设备", "Product.asp?BigClassName=大型设备");
		
		// menu : 4
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("- 视频资料下载", "download.asp?BigClassName=视频资料");
		menu4.addItem("- 图书资料下载", "download.asp?BigClassName=图书资料");
		menu4.addItem("- 办公文档下载", "download.asp?BigClassName=办公文档");
		
		// menu : 5
		var menu5 = ms.addMenu(document.getElementById("menu5"));
		menu5.addItem("- 客户答疑", "faq.asp?owen1=客户答疑");
		menu5.addItem("- 在线咨询", "Feedback.asp");
	
		mtDropDown.renderAll();
	}