// Compatible Netscape 3.0
nav3 = false;
if( parseInt( navigator.appVersion ) >= 3 )
{
	nav3 = true;

	// initialisation des boutons
	accueil_n = new Image(158,18); 
	accueil_n.src = "images/navy-accueil.gif";
	accueil_o = new Image(158,18); 
	accueil_o.src = "images/navy-accueil-over.gif";
	
	contact_n = new Image(158,18); 
	contact_n.src = "images/navy-contact.gif";
	contact_o = new Image(158,18); 
	contact_o.src = "images/navy-contact-over.gif";
	
	formation_n = new Image(158,18); 
	formation_n.src = "images/navy-formation.gif";
	formation_o = new Image(158,18); 
	formation_o.src = "images/navy-formation-over.gif";
	
	methode_n = new Image(158,18); 
	methode_n.src = "images/navy-methode.gif";
	methode_o = new Image(158,18); 
	methode_o.src = "images/navy-methode-over.gif";
	
	bureautique_n = new Image(158,18); 
	bureautique_n.src = "images/sous-navy-bureautique.gif";
	bureautique_o = new Image(158,18); 
	bureautique_o.src = "images/sous-navy-bureautique-over.gif";
	
	informatique_n = new Image(158,18); 
	informatique_n.src = "images/sous-navy-informatique.gif";
	informatique_o = new Image(158,18); 
	informatique_o.src = "images/sous-navy-informatique-over.gif";
	
	ingenierie_n = new Image(158,18); 
	ingenierie_n.src = "images/sous-navy-ingenierie.gif";
	ingenierie_o = new Image(158,20); 
	ingenierie_o.src = "images/sous-navy-ingenierie-over.gif";
	
	management_n = new Image(158,18); 
	management_n.src = "images/sous-navy-management.gif";
	management_o = new Image(158,38); 
	management_o.src = "images/sous-navy-management-over.gif";
	
	telephone_n = new Image(158,18); 
	telephone_n.src = "images/sous-navy-telephone.gif";
	telephone_o = new Image(158,18); 
	telephone_o.src = "images/sous-navy-telephone-over.gif";

	hincelin_n = new Image(168,25); 
	hincelin_n.src = "images/email-hincelin.gif";
	hincelin_o = new Image(168,25); 
	hincelin_o.src = "images/email-hincelin-over.gif";
	
	formateurs_n = new Image(168,25); 
	formateurs_n.src = "images/email-formateurs.gif";
	formateurs_o = new Image(168,25); 
	formateurs_o.src = "images/email-formateurs-over.gif";
}

// rollover des boutons
function change(x, y) 
{ if( nav3 )
	{ document.images[x].src=eval(y+'.src'); }
}