//转换左侧产品列表的展开及收缩状态。
    function closeMenu() {
        var obj = document.getElementById("Leftpumptype1").getElementsByTagName("H3");
        if (obj == null || obj == undefined) {
            return;
        }
        for (var i = 0; i < obj.length; i++) {
            //alert("id="+obj[i].id);
            obj[i].style.display = "none";

        }
    }


    //展开某菜单下的子菜单
    function showSubMenu(cid) {
        var item = document.getElementById("sub_" + cid);
        if (item == null || item == undefined) {
            return;
        }
        var obj = item.getElementsByTagName("H3");
        for (var i = 0; i < obj.length; i++) {
            obj[i].style.display = "";
        }
    }

    //closeMenu();


    var GYF_Id = GetCookie("clk_Id");
    //alert(GYF_Id);
    if (GYF_Id != null) {
        showSubMenu(GYF_Id);
    }