function AjoutFavoris()
{   
   if ( navigator.appName.substring(0,9) == "Microsoft" )
   {
     window.external.AddFavorite("http://www.doublecheese-34.com","Double Cheese 34" );
   }
   else
   {
     window.sidebar.addPanel("Double Cheese 34","http://www.doublecheese-34.com","favorites");
   }
}