// JScript 文件
function about_init(obj)
{
var td = document.getElementById("about_i");

    switch (obj)
    {
        case "关于我们" :
            td.className ="Tdbackt";
        break;
        case "公司概况" :
            td.className = "Tdback";
        break;
        case "会员服务" :
            td.className = "Tdback";
        break;
        case "诚聘英才" :
            td.className = "Tdbackt";
        break;
        case "网站动态" :
            td.className = "Tdbackw";
        break;
        case "网站地图" :
            td.className = "Tdbackm";
        break;
    }
}