//Preload les images pour le rollover //
bouton1 = new Image();
bouton1.src = 'img/conversation_anglaise_h.gif';

bouton2 = new Image();
bouton2.src = 'img/cours_anglais_h.gif';

bouton3 = new Image();
bouton3.src = 'img/info_participants_h.gif';

bouton4 = new Image();
bouton4.src = 'img/info_entreprises_h.gif';

bouton5 = new Image();
bouton5.src = 'img/tarifs_h.gif';

bouton6 = new Image();
bouton6.src = 'img/clients_h.gif';

function affiche(id) {
	
	if (id == conversation_anglaise) {
		document['conversation_anglaise'].src = "img/conversation_anglaise_h.gif";		
		}
	if (id == cours_anglais) {
		document['cours_anglais'].src = "img/cours_anglais_h.gif";
		}
	if (id == info_participants) {
		document['info_participants'].src = "img/info_participants_h.gif";
		}
	if (id == info_entreprises) {
		document['info_entreprises'].src = "img/info_entreprises_h.gif";
		}
	if (id == tarifs) {
		document['tarifs'].src = "img/tarifs_h.gif";
		}
	if (id == clients) {
		document['i_clients'].src = "img/clients_h.gif";
		}
}

function efface(id) {
	
	if (id == conversation_anglaise) {
		document['conversation_anglaise'].src = "img/conversation_anglaise_off.gif";
		}
	if (id == cours_anglais) {
		document['cours_anglais'].src = "img/cours_anglais_off.gif";
		}
	if (id == info_participants) {
		document['info_participants'].src = "img/info_participants_off.gif";
		}
	if (id == info_entreprises) {
		document['info_entreprises'].src = "img/info_entreprises_off.gif";
		}
	if (id == tarifs) {
		document['tarifs'].src = "img/tarifs_off.gif";
		}
	if (id == clients) {
		document['i_clients'].src = "img/clients_off.gif";
		}
}