public function getAllSurveys()
{
$db = Zend_Registry::get('db');
$select = $db->select()->from(array('s' => 'Survey'), array('*'))->where('s.language = ?', $_SESSION['System']['lng']);
$stmt = $db->query($select);
$results = $stmt->fetchAll();
$surveys = array();
foreach ($results as $result) {
$datePublished = split(' ', $result['date_published']);
$dateExpired = split(' ', $result['date_expired']);
$survey = new SxCms_Survey();
$survey->setId($result['survey_id'])->setLanguage($result['language'])->setTitle($result['title'])->setDescription($result['description'])->setDatePublished($datePublished[0])->setTimePublished($datePublished[1])->setDateExpired($dateExpired[0])->setTimeExpired($dateExpired[1]);
$surveys[] = $survey;
}
return $surveys;
}