function setTab(e, css, ul, id) {
    var lis = document.getElementById(ul).getElementsByTagName("li");
    for (var i = 0; i < lis.length; i++) {
        lis[i].className = null;
        document.getElementById(ul + i).style.display = "none";
    }
    e.className = css; document.getElementById(ul + id).style.display = "block";
}


function setHomePage(obj,vrl){
        try{
                obj.style.behavior="url(#default#homepage)";
                obj.setHomePage(vrl);
                
        }
         catch(e){
                 if(window.netscape) {
                         try {
                                 netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");  
                         }  
                         catch (e) 
                         { 
                                 alert("抱歉！您的浏览器不支持直接设为首页。请在浏览器地址栏输入“about:config”并回车然后将[signed.applets.codebase_principal_support]设置为“true”，点击“加入收藏”后忽略安全提示，即可设置成功。");  
                         }
                         var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
                         prefs.setCharPref('browser.startup.homepage',vrl);
                  }
         }
 }
 
 
 
 
function AddFavorite(sURL, sTitle)
{
    try
    {
        window.external.addFavorite(sURL, sTitle);
    }
    catch (e)
    {
        try
        {
            window.sidebar.addPanel(sTitle, sURL, "");
        }
        catch (e)
        {
            alert("加入收藏失败，请使用Ctrl+D进行添加");
        }
    }
}