if (GDNetMenuDown.isSupported()) {
        var ms = new GDNetMenuDownSet(GDNetMenuDown.direction.down, 0, 0, GDNetMenuDown.reference.bottomLeft);        	
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		
        menu2.addItem("- 监控摄像机系列   ", "ProIndex.asp?bigid=17&did=17&cid=17");
		
		var subMenu0 = menu2.addMenu(menu2.items[0]);	
        	
        subMenu0.addItem("枪型摄像机系列", "ProIndex.asp?bigid=17&did=17&cid=19");
        		
        subMenu0.addItem("半球型摄像机系列", "ProIndex.asp?bigid=17&did=17&cid=20");
        		
        subMenu0.addItem("高速智能球系列", "ProIndex.asp?bigid=17&did=17&cid=21");
        		
        subMenu0.addItem("红外摄像机系列", "ProIndex.asp?bigid=17&did=17&cid=22");
        	
        menu2.addItem("- 监控显示终端系列   ", "ProIndex.asp?bigid=18&did=18&cid=18");
		
		var subMenu0 = menu2.addMenu(menu2.items[1]);	
        	
        subMenu0.addItem("LCD拼接系统", "ProIndex.asp?bigid=18&did=18&cid=1");
        		
        subMenu0.addItem("LCD监视器", "ProIndex.asp?bigid=18&did=18&cid=3");
        	
			var subuMenu0 = subMenu0.addMenu(subMenu0.items[1]);
            	
            subuMenu0.addItem("300系列", "ProIndex.asp?bigid=18&did=3&cid=5");
        	
            subuMenu0.addItem("400系列", "ProIndex.asp?bigid=18&did=3&cid=6");
        	
            subuMenu0.addItem("600系列", "ProIndex.asp?bigid=18&did=3&cid=7");
        	
            subuMenu0.addItem("700系列", "ProIndex.asp?bigid=18&did=3&cid=8");
        	
            subuMenu0.addItem("800系列", "ProIndex.asp?bigid=18&did=3&cid=9");
        	
        subMenu0.addItem("CRT监视器", "ProIndex.asp?bigid=18&did=18&cid=4");
        	
			var subuMenu0 = subMenu0.addMenu(subMenu0.items[2]);
            	
            subuMenu0.addItem("50Hz彩色系列", "ProIndex.asp?bigid=18&did=4&cid=13");
        	
            subuMenu0.addItem("60Hz专业系列", "ProIndex.asp?bigid=18&did=4&cid=14");
        	
            subuMenu0.addItem("100Hz高清无闪烁系列", "ProIndex.asp?bigid=18&did=4&cid=15");
        	
            subuMenu0.addItem("HD数字高清系列", "ProIndex.asp?bigid=18&did=4&cid=16");
        	
        subMenu0.addItem("DLP拼接系统", "ProIndex.asp?bigid=18&did=18&cid=12");
        	
		
        var menu1 = ms.addMenu(document.getElementById("menu1"));
		
        menu1.addItem("- 公司新闻", "news.asp?classid=5");
		
        menu1.addItem("- 集团新闻", "news.asp?classid=6");
		
        menu1.addItem("- 业内新闻", "news.asp?classid=9");
		
          
       var menu4 = ms.addMenu(document.getElementById("menu4"));
	    
        menu4.addItem("- 服务承诺", "service.asp?classid=13");
		
        menu4.addItem("- 网站调查", "survey.asp");
        menu4.addItem("- 工程案例", "cases.asp");
        menu4.addItem("- 下载中心", "down.asp");
        menu4.addItem("- 常见问题", "faq.asp");
          
          
        var menu0 = ms.addMenu(document.getElementById("menu0"));
	    
        menu0.addItem("- 集团简介", "gsjj.asp?classid=1");
		
        menu0.addItem("- 公司简介", "gsjj.asp?classid=33");
		
        menu0.addItem("- 领导团队", "gsjj.asp?classid=2");
		
        menu0.addItem("- 荣誉资质", "gsjj.asp?classid=3");
		
        menu0.addItem("- 企业文化", "gsjj.asp?classid=4");
		
          
           var menu3 = ms.addMenu(document.getElementById("menu3"));
	    
        menu3.addItem("- 营销网络", "network.asp?classid=10");
		
        menu3.addItem("- 联系我们", "network.asp?classid=12");
		
        menu3.addItem("- 在线订单", "order.asp");
				
        GDNetMenuDown.renderAll();
}