public function addAction()
    {
        $form = new Application_Form_User();
        if ($this->getRequest()->isPost()) {
            if ($form->isValid($this->_getAllParams())) {
                $users = new Application_Model_DbTable_Users();
                $form->removeElement('repassword');
                $users->insert($form->getValues());

                $this->_helper->FlashMessenger(
                        array('ok' => 'Uživatel byl úspěšně registrován.')
                );

                $this->_helper->redirector('index', 'index');
            }
        }
        $this->view->form = $form;
    }