как отключить modal.js - Joomla 1.5, Шаблоны: Как сделать ...

<?php
$user =& JFactory::getUser();
if ($user->get('guest') == 1) {
  $headerstuff = $this->getHeadData();
  $key1 = JURI::base(true). '/media/system/js/mootools.js';
  $key2 = JURI::base(true). '/media/system/js/caption.js';
  $key3 = JURI::base(true). '/media/system/js/modal.js';
  unset($headerstuff['scripts'][$key1], $headerstuff['scripts'][$key2], $headerstuff['scripts'][$key3]);
  $this->setHeadData($headerstuff);
}
?>