function ffield_menu(){
// Модальное окно
  $items['ffield/%ctools_js/select'] = array(
    'title' => 'Select',
    'page callback' => 'ffield_select_callback',
    'page arguments' => array(1),
    'access arguments' => array('access content'),
    'delivery callback' => 'ajax_deliver',
    'theme callback' => 'ajax_base_page_theme',
  );
  // Следующая страница
  $items['ffield/%ctools_js/list/%id'] = array(
    'title' => 'List',
    'page callback' => 'ffield_list_callback',
    'page arguments' => array(1, 2),
    'access arguments' => array('access content'),
    'delivery callback' => 'ajax_deliver',
    //'theme callback' => 'ajax_base_page_theme',
  );
return $items;
}

function ffield_select_callback($js = NULL) {
  if ($js) {
    ctools_include('modal');
    $form_state = array(
      'title' => t('Выберите адрес'),
      'ajax' => TRUE,
      'build_info' => array(
        'args' => array(),
      ),
    );

    form_load_include($form_state, 'inc', 'ffield', 'select_add.pages');

    $commands = array();
    $commands = ctools_modal_form_wrapper('select_form', $form_state);
    return array('#type' => 'ajax', '#commands' => $commands);
  }
}

function ffield_list_callback($js = NULL, $id = NULL){
  //dd('this');
  if ($js){
    ctools_include('ajax');
    $q = db_select('ffield_AS_ADDROBJ', 'faddr')
        ->fields('faddr', array('id', 'AOGUID', 'PARENTGUID', 'FORMALNAME', 'SHORTNAME'))
        ->condition('PARENTGUID', $id, '=')
        ->orderBy('FORMALNAME', 'ASC')
        ->execute()
        ->fetchAll();
  }
}

// Форма которая выводится в модальном окне
function select_form($form, &$form_state) {
//....
ctools_include('ajax');
$form['link-' . $obj->id] = array(
      '#type' => 'link',
      '#href' => 'ffield/nojs/' . $obj->AOGUID,
      '#title' => $obj->FORMALNAME . ' ' . $obj->SHORTNAME . '.',
      '#attributes' => array(
        'class' => array('ctools-use-ajax'),
      ),
    );
// ....
return $form;
}