function setValidator($options, $messages = array())
 {
     $mime = array('image/jpeg' => array('jpg', 'jpeg'), 'image/gif' => 'gif', 'image/png' => 'png', 'image/jpg' => array('jpg', 'jpeg'), 'image/pjpeg' => array('jpg', 'jpeg'));
     $extension = array('jpg', 'gif', 'png', 'jpeg');
     $options = array_merge(array('mime_types' => $mime, 'extension' => $extension), $options);
     parent::setValidator($options, $messages);
 }
 function setValidator($options, $messages = array())
 {
     $options = array_merge($options, array('client_side_validable' => false));
     parent::setValidator($options, $messages);
 }