function registerAccount($userName, $password, $email, $expansion /*, $recruiter */)
    {
        $passwordHash = strtoupper(sha1(strtoupper($username) . ':' . strtoupper($password)));
        $account = new Account($userName, $passwordHash, $email, $expansion);
        $mysqlConn = new mysqli($mysqlHost, $mysqlUser, $mysqlPassword, $accountDb);

        if(!$mysqlConn->query("INSERT INTO account (username, sha_pass_hash, email, expansion)
                           VALUES ('" . $account->userName . "', '" . $account->passwordHash . "',"
                           . "'" . $account->email . "', " . $account->expansion))
        {
            return FALSE;
        }

        $mysqlConn->close();

        return $account;
    }