protected function InitUserData()
    {
        $userData = $this->getInputFilterUtil()->getFilteredPostInput('aUser');
        if (null === $userData) {
            $oUser = self::getExtranetUserProvider()->getActiveUser();
            $this->SetUserData($oUser->sqlData);
        } else {
            $this->SetUserData($userData);
            $this->bUserDataSubmission = true;
        }
    }