Зачем нужны mootools.js и caption.js на фронте? - Joomla 1.5: [FAQ] Часто задаваемые вопросы и ответы

<?php
$user =& JFactory::getUser();
if ($user->get('guest') == 1) {
  $headerstuff = $this->getHeadData();
  $scripts = $headerstuff['scripts'];
  $headerstuff['scripts'] = array();
  foreach($scripts as $url=>$type) {
    if (strpos($url, 'js/mootools.js') === false && strpos($url, 'js/caption.js') === false) {
      $headerstuff['scripts'][$url] = $type;
    }
  }
  $this->setHeadData($headerstuff);
}
?>
<jdoc:include type="head" />

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