Загрузка и отправка формы по AJAX на Drupal 7

function test_menu() {
  $items = array();
  $items['test'] = array(
    'type' => MENU_SUGGESTED_ITEM,
    'title' => t('Test page'),
    'page callback' => 'test_page',
    'access arguments' => array('access content'),
  );
  $items['callback'] = array(
    'type' => MENU_CALLBACK,
    'page callback' => 'test_callback',
    'access arguments' => array('access content'),
  );

  return $items;
}

function test_page() {
  drupal_add_js('misc/jquery.form.js');
  drupal_add_js(drupal_get_path('module', 'test') . '/test.js');
  $output = '<div id="form"></div>';
  return $output . l(t('Get form'), 'callback', array('attributes' => array('id' => 'test-link')));
}

function test_callback() {
  print drupal_render(drupal_get_form('test_form'));
  drupal_exit();
}

function test_form($form, $form_state) {
  $form = array();
  $form['aass'] = array(
    '#theme' => 'status_messages'
  );
  $form['messages'] = array(
    '#markup' => '',
  );
  $form['name'] = array(
    '#title' => t('Name'),
    '#type' => 'textfield',
    '#default_value' => '',
    '#required' => TRUE,
  );
  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Submit'),
  );
  return $form;
}

function test_form_validate(&$form, &$form_state) {}

function test_form_submit($form, &$form_state) {
  $form_state['rebuild'] = TRUE;
  drupal_set_message(t('Ok. All good!'));
}

(function($) {
  $(document).ready(function() {
    var success = function() {
      $('#test-form').ajaxForm({
        target: '#form',
        success: success
      });
    };
    $('#test-link').click(function(event) {
      $.get(Drupal.settings.basePath + 'callback', function(data) {
        $('#form').html(data);
        Drupal.attachBehaviors('#test-form');
        success();
      });
      event.preventDefault();
    });
  });
})(jQuery);