if (GDNetMenuDown.isSupported()) {
	
        var ms = new GDNetMenuDownSet(GDNetMenuDown.direction.down, 0, 0, GDNetMenuDown.reference.bottomLeft);
		
        var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- 公司简介","about.asp");
        menu1.addItem("- 企业荣誉","lz.asp");
		menu1.addItem("- 产品认证","zs.asp");
		menu1.addItem("- 动态新闻","newslist.asp");
    var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("- 营销体系", "wl.asp");
        menu2.addItem("- 售后服务", "wl.asp");
        GDNetMenuDown.renderAll();
    }