function addFav()
{
   if (document.all)
   {
      window.external.addFavorite(location.href,document.title);
   }
   else if (window.sidebar)
   {
      window.sidebar.addPanel(document.title, location.href, "");
   }
} 
function setHomepage()   
{   
    if (document.all)   
    {   
        document.body.style.behavior='url(#default#homepage)';   
        document.body.setHomePage(location.href);   
    }   
    else if (window.sidebar)   
    {   
        if(window.netscape)   
        {   
             try  
             {     
                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");     
             }     
             catch (e)     
             {     
                alert(e);     
             }   
        }    
        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch);   
        prefs.setCharPref('browser.startup.homepage',location.href);   
    }   
}