Anonymous

    drupal_add_js(drupal_get_path('module', 'og'). '/og.js');
    // show multi-select. if less than 20 choices, use checkboxes.
    $type = $cnt >= 20 || $is_optgroup ? 'select' : 'checkboxes';
    $form['og_nodeapi']['visible']['og_groups'] = array(
      '#type' => $type, 
      '#title' => t('Audience'), 
      '#attributes' => array('class' => 'og-audience'),
      '#options' => $options, 
      '#required' => $required, 
      '#description' =>  format_plural(count($options), 'Show this post in this group.', 'Show this post in these groups.'),
      '#default_value' => $groups, 
      '#required' => $required, 
      '#multiple' => TRUE,
      '#weight' => -1,)
			;