function AjoutFavoris()
{   
   if ( navigator.appName.substring(0,9) == "Microsoft" )
   {
     window.external.AddFavorite("http://www.double-cheese.fr","Double Cheese" );
   }
   else
   {
     window.sidebar.addPanel("Double Cheese","http://www.double-cheese.fr","favorites");
   }
}