function favoriser(url,nom)
{
/* TRAITEMENT DES NAVIGATEURS */

// netscape 6.x
if (window.sidebar)
{
window.sidebar.addPanel(nom,url,"")
}

// internet explorer windows
if(window.external)
{
window.external.AddFavorite(url,nom)
}

// internet explorer mac
if (document.all && 
(navigator.userAgent.indexOf('Win') < 0))
{
alert ("COMMAND + B to bookmark " + nom + " !")
}

// netscape 4.x
if (document.layers)
{
alert ("CTRL + D to bookmark " + nom + " !")
}

// opéra
if (navigator.userAgent.indexOf('Opera') != -1) 
{
alert ("CTRL + T to bookmark " + nom + " !")
}

}