public function getIdVilleFromNomVille($nomVille = '')
    {
        $retour = 0;
        $req = "SELECT idVille FROM ville WHERE nom LIKE \"%".$nomVille."%\"";
        $res = $this->connexionBdd->requete($req);
        if (mysql_num_rows($res)>0) {
            $fetch = mysql_fetch_assoc($res);
            $retour = $fetch['idVille'];
        }

        return $retour;
    }