function addCookie()//兼容IE和Firefox的收藏
{
if (document.all)
    {
       window.external.addFavorite('http://www.wangow.com','网购网');
   }
   else if (window.sidebar)
   {
       window.sidebar.addPanel( '网购网','http://www.wangow.com', "");
}
}

function setHomepage()//兼容IE和Firefox的设为首页
{
if (document.all)
    {
        document.body.style.behavior='url(#default#homepage)';
   document.body.setHomePage('http://www.wangow.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.wangow.com');
}
}