public function init()
{
$inputFilterFactory = new InputFilterFactory();
$inputFilter = $inputFilterFactory->createInputFilter(array('login' => array('required' => true, 'validators' => array(array('name' => 'not_empty'))), 'password' => array('required' => true, 'validators' => array(array('name' => 'not_empty')))));
$this->setInputFilter($inputFilter);
$this->add(new Element('login'));
$this->add(new Element('password'));
$this->add(new Element('redirect'));
}