if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- 公司结构","Channel.asp?ChannelID=4"); // send no URL if nothing should happen onclick
		menu1.addItem("- 员工风采","Channel.asp?ChannelID=5"); // send no URL if nothing should happen onclick
		menu1.addItem("- 招聘信息","Channel.asp?ChannelID=9"); // send no URL if nothing should happen onclick
		menu1.addItem("- 公司视频","Channel.asp?ChannelID=8");
	
//第二菜单

	
		// menu : 2
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("- 正畸钳", "Product.asp?PicClassID=1");
		menu2.addItem("- 光固化机", "Product.asp?PicClassID=2");
		menu2.addItem("- 根测仪", "Product.asp?PicClassID=3");
		menu2.addItem("- 正畸工具", "Product.asp?PicClassID=4");
		menu2.addItem("- 正畸附件", "Product.asp?PicClassID=5");
		menu2.addItem("- 其他", "Product.asp?PicClassID=6");
		
		// menu : 3
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("- 产品目录", "Download.asp?SoftClassID=1");
		menu3.addItem("- 产品图片", "Download.asp?SoftClassID=2");
		menu3.addItem("- 驱动程序", "Download.asp?SoftClassID=3");
		
				// menu : 4
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("- 行业动态", "Article.asp?ArtClassID=6");
		menu4.addItem("- 展会信息", "Article.asp?ArtClassID=7");
		menu4.addItem("- 内部新闻", "Article.asp?ArtClassID=4");
		
		// menu : 5
		var menu5 = ms.addMenu(document.getElementById("menu5"));
		menu5.addItem("- 我要留言", "bookwrite.asp");

			// menu : 6
		var menu6 = ms.addMenu(document.getElementById("menu6"));
		menu6.addItem("- 公司地址", "Channel.asp?ChannelID=2");
		menu6.addItem("- 在线联系", "bookwrite.asp");

		mtDropDown.renderAll();
	}