function setTab(m,n){
var tli=document.getElementById("menu"+m).getElementsByTagName("li"); 
var mdiv=document.getElementById("main"+m).getElementsByTagName("div"); 
for(i=0;i<tli.length;i++){
  tli[i].className=i==n?"tr_hover":""; 
  mdiv[i].style.display=i==n?"block":"none"; 
}
}


function addCookie()
{
    if (document.all)
       {
         window.external.addFavorite('http://tf.playcomet.com/','transforters');
       }
      else if (window.sidebar)
      {
          window.sidebar.addPanel('', 'http://tf.playcomet.com/', "transforters");
    }
}

function setHomepage()
{
if (document.all)
    {
        document.body.style.behavior='url(#default#homepage)';
       document.body.setHomePage('http://tf.playcomet.com/');

    }
    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','http://www.txwy.com/?sy');
}
}