function AjoutFavoris()
{   
   if ( navigator.appName.substring(0,9) == "Microsoft" )
   {
     window.external.AddFavorite("http://www.librimage-magink.fr","Libr'image" );
   }
   else
   {
     window.sidebar.addPanel("Libr'image","http://www.librimage-magink.fr","favorites");
   }
}