function LoginUI(obj)
{
    var html = '<li>您好, <a style="color:#FF0000;" href="http://www.518ad.com/Member/default.aspx">' + obj + '</a> 欢迎来到商机网 <a href="http://www.518ad.com/Member/default.aspx">[会员中心]</a> <a href="http://www.518ad.com/Member/Logout.aspx">[退出]</a></li>';
    return html;
}
function NoLoginUI()
{
    var html = '<li>您好,欢迎来到商机网 <a href="http://www.518ad.com/Member/Login.aspx" target="_blank">[请登录]</a> <a href="http://www.518ad.com/Member/Register.aspx">[免费注册]</a> </li>';
    return html;
}
function ShowLoginUI()
{
    var islogin = false;
    var reStr = createTextHttpRequest("/IsLogin.aspx");
    reStr = reStr.replace(/(^\s*)|(\s*$)/g, "");
    if(reStr != '' && reStr != null)
    {
        islogin = true;
    }
    var html = NoLoginUI();
    if(islogin)
    {
        html = LoginUI(reStr);
    }
    document.write(html);
}
function ShowLoginUIHTML()
{
    var islogin = false;
    var reStr = createTextHttpRequest("/IsLogin.aspx");
    reStr = reStr.replace(/(^\s*)|(\s*$)/g, "");
    if(reStr != '' && reStr != null)
    {
        islogin = true;
    }
    var html = NoLoginUI();
    if(islogin)
    {
        html = LoginUI(reStr);
    }
    return html;
}
function SetHomepage(pageURL)
{
    if (document.all)
    {
        document.body.style.behavior='url(#default#homepage)';
        document.body.setHomePage(pageURL);
    }
    else if (window.sidebar)
    {
        if(window.netscape)
        {
            try{
            netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
            }
            catch (e)
            {
                alert( "该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入 about:config,然后将项 signed.applets.codebase_principal_support 值该为true" );
            }
        }
        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch);
        prefs.setCharPref('browser.startup.homepage',pageURL);
    }
}