public function editAction() {
        // action body
        $this->view->title = "Edit User";
        $this->view->headTitle($this->view->title, 'PREPEND');
        $form = new Application_Form_Admin();
        $form->submit->setLabel('Save');
        $this->view->form = $form;
        if ($this->getRequest()->isPost()) {
            $formData = $this->getRequest()->getPost();
            if ($form->isValid($formData)) {
                $id = (int) $form->getValue('id');
                $username = $form->getValue('username');
                $password = $form->getValue('password');
                $real_name = $form->getValue('real_name');
                $admin = $form->getValue('admin');
                $users = new Application_Model_DbTable_Users();
                $users->updateUser($id, $username, $password, $real_name, $admin);
                $this->_helper->redirector('index');
            } else {
                $form->populate($formData);
            }
        } else {
            $id = $this->_getParam('id', 0);
            if ($id > 0) {
                $users = new Application_Model_DbTable_Users();
                $form->populate($users->getUser($id)->toArray());
            }
        }
    }