if (GDNetMenuDown.isSupported()) {

        var ms = new GDNetMenuDownSet(GDNetMenuDown.direction.down, -110, 0, GDNetMenuDown.reference.bottomLeft);

        var menu2 = ms.addMenu(document.getElementById("menu2"));
        menu2.addItem("· 科协简介  ","display.asp?id=53");
        menu2.addItem("· 科协章程","display.asp?id=54");
        menu2.addItem("· 机构设置","display.asp?id=153");
        menu2.addItem("· 领导班子","display.asp?id=52");

        var menu3 = ms.addMenu(document.getElementById("menu3"));
        menu3.addItem("· 科普活动  ","lb.asp?classcode=310000");
		menu3.addItem("· 农村科普  ","lb.asp?classcode=320000");
		menu3.addItem("· 城区科普  ","lb.asp?classcode=330000");
		menu3.addItem("· 青少年科普","lb.asp?classcode=340000");

        var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("· 学会概况  ","display.asp?id=577");
        menu4.addItem("· 学会组织","lb.asp?classcode=a20000");
        menu4.addItem("· 学会活动","lb.asp?classcode=a30000");
        menu4.addItem("· 优秀论文","lb.asp?classcode=a40000");

        var menu5 = ms.addMenu(document.getElementById("menu5"));
		menu5.addItem("· 企业科普","lb.asp?classcode=410000");
        menu5.addItem("· 企业科协","lb.asp?classcode=420000");
        menu5.addItem("· 国际科技交流","lb.asp?classcode=430000");
        menu5.addItem("· 交流信息","lb.asp?classcode=440000");
		menu5.addItem("· 金桥工程","lb.asp?classcode=450000");
 
        var menu6 = ms.addMenu(document.getElementById("menu6"));
        menu6.addItem("· 科协文件  ","lb.asp?classcode=j10000");
        menu6.addItem("· 常规软件","lb.asp?classcode=j20000");

        var menu8 = ms.addMenu(document.getElementById("menu8"));
        menu8.addItem("· 留言板    ","jhlist.asp?classcode=i00000");


		GDNetMenuDown.renderAll();
    }