public function getIdPays($idVille)
    {
        $idPays;
        if (!isset($idVille) && $idVille != '') {
            echo "Error while getting country id, no sub neighborhood informations were specified for this request.";
        } else {
            $req = "
    				SELECT idPays
    				FROM ville
    				WHERE idVille = ".$idVille."
    				";
            $res = $this->connexionBdd->requete($req);
            $fetch = mysql_fetch_assoc($res);
            $idPays = $fetch['idPays'];
        }
        return $idPays;
    }