function AddFavorite(){
 if ( window.sidebar && "object" == typeof( window.sidebar ) && "function" == typeof( window.sidebar.addPanel ) ){
   //  firefox
   window.sidebar.addPanel( document.title, document.location.href, '' );
 }else if ( document.all && "object" == typeof( window.external ) ){
   //  ie
   window.external.addFavorite( document.location.href, document.title );
 }
}

function SetHome(obj,vrl)
{
  try
  {
      obj.style.behavior='url(#default#homepage)';obj.setHomePage(vrl);
  }
  catch(err){
      if(window.netscape) {
          try {
                  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); 
          } 
          catch (err) { 
                  alert("此操作被浏览器拒绝！\n请在浏览器地址栏输入“about:config”并回车\n然后将[signed.applets.codebase_principal_support]设置为'true'"); 
          }
          var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
          prefs.setCharPref('browser.startup.homepage',vrl);
       }
  }
}