AJAX и Joomla - Разработка расширений для Joomla 2.5

<div id="article"></div>
<a href="#" id="clck">Нажать</a>
<?php
JHTML::_('behavior.mootools');
?>
<script type="text/javascript">
window.addEvent('domready', function(){
$('clck').addEvent('click', function(event){
    event.stop;
$('article').appendText('Loading content...');    
$('article').load('<?php echo JRoute::_('index.php?option=com_content&view=article&id=19&tmpl=component'); ?>');
});
});
</script>

$('article').load('<?php echo JRoute::_('index.php?option=com_pbajax&view=mytask&id=19&tmpl=component'); ?>');

define('_JEXEC', 1);
define('DS', DIRECTORY_SEPARATOR);
define('JPATH_BASE', dirname(__FILE__));

require_once(JPATH_BASE.DS.'includes'.DS.'defines.php');
require_once(JPATH_BASE.DS.'includes'.DS.'framework.php');
require_once(JPATH_BASE.DS.'libraries'.DS.'joomla'.DS.'factory.php');

$mainframe =& JFactory::getApplication('site');

define('_JEXEC', 1);
define('DS', DIRECTORY_SEPARATOR);
define('JPATH_BASE', dirname(__FILE__));

require_once(JPATH_BASE.DS.'includes'.DS.'defines.php');
require_once(JPATH_BASE.DS.'includes'.DS.'framework.php');
require_once(JPATH_BASE.DS.'libraries'.DS.'joomla'.DS.'factory.php');

define('_JEXEC', 1);
define('JPATH_BASE', preg_replace('|\Smodules\Smod_.*?\Smod_callback.php|i', '', __FILE__));
define('DS', DIRECTORY_SEPARATOR);
//где mod_callback.php ваша точка входа в модуле

require_once JPATH_BASE.'/includes/defines.php';
require_once JPATH_BASE.'/includes/framework.php';

// Instantiate the application.
$app = JFactory::getApplication('site');
// Initialise the application.
$app->initialise();

// Include the syndicate functions only once
require_once dirname(__FILE__).'/helper.php';
$doc = & JFactory::getDocument();  

require JModuleHelper::getLayoutPath('mod_callback', $params->get('layout', 'default'));