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("- 企业荣誉","qyry.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("- 企业理念","hyzx.asp");
		menu1.addItem("- 组织结构","gszs.asp");

	
//第二菜单
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("- 公司新闻        ", "gsnews.asp"); 
		menu2.addItem("- 行业新闻", "hyzxnew.asp");

	
		// menu : 3
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("- LCD监视器        ", "productmore.asp?BigClassID=25");
		menu3.addItem("- LCD拼接系统", "productmore.asp?BigClassID=28");
	    menu3.addItem("- 手机监控", "productmore.asp?BigClassID=34");
		menu3.addItem("- 闭路监控", "productmore.asp?BigClassID=33");

		
		// menu : 4
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("- 售后服务        ", "sohou.asp");
		menu4.addItem("- 资料下载", "down.asp");
		menu4.addItem("- 常见问题", "wenti.asp");
		menu4.addItem("- 招贤纳才", "zhaoping.asp");
		menu4.addItem("- 客户反馈", "message.asp");
		
				// menu : 5
		var menu5 = ms.addMenu(document.getElementById("menu5"));
		menu5.addItem("- 品牌专线", "pipai.asp");
		menu5.addItem("- 代理商专区", "dls.asp");
		menu5.addItem("- OEM服务专线", "oem.asp");
		menu5.addItem("- 售后服务专线", "shzx.asp");
	
		mtDropDown.renderAll();
	}