Не работает копия модуля - Joomla 2.5: Общие вопросы

<?php
/**
 * @version             2.0 stable
 * @package             AJAX Call me back
 * @copyright   	Copyright (C) 2012 PEREHOST.RU, All rights reserved.
 * @license             GNU/GPL http://www.gnu.org/licenses
 */

// no direct access
defined('_JEXEC') or die('Restricted access');

// add the Joomla validation
JHTML::_('behavior.mootools');

// include the helper file
require_once (dirname(__FILE__).DS.'helper.php');

//output the javascript and CSS
$amDoc =& JFactory::getDocument();
$amDoc->addStyleSheet(JURI::root().'modules'.DS.'mod_amcallmeback'.DS.'assets'.DS.'mod_amcallmeback.css');

// get required parameters
$amHeadText = $params->get('HeadText', 'Call me back');
$amIntroText = $params->get('IntroText', '');
$amNameText = $params->get('NameText', 'Name');
$amPhoneText = $params->get('PhoneText', 'Phone');
$amButtonText = $params->get('ButtonText', 'Call me');

$amSendedText = $params->get('SendedText', 'Request was sent');

// if form has been submitted
if(JRequest::getVar('action', null, 'POST') === 'amcallmebacksend') {
  echo modAmCallMeBackHelper::send($params);
}

// include the template for display
require(JModuleHelper::getLayoutPath('mod_amcallmeback'));

<?php
/**
 * @version             2.0 stable
 * @package             AJAX Call me back
 * @copyright   	Copyright (C) 2012 PEREHOST.RU, All rights reserved.
 * @license             GNU/GPL http://www.gnu.org/licenses
 */

// no direct access
defined('_JEXEC') or die('Restricted access');

jimport('joomla.mail.helper');

class modAmCallMeBackHelper
{

	function send($params) {
// Check for request forgeries
		JRequest::checkToken() or die( 'Invalid Token' );
// get data
		$name = 	JRequest::getVar('name', '');
		$phone = 	JRequest::getVar('phone', '');
		$uri = 		JRequest::getVar('uri', '');

// get module params
		$subject = 	$params->get('mail_subject');
		$reciptient = 	explode(',', $params->get('receipt_email'));
		$app = 		JFactory::getApplication();
		$sender = 	array($app->getCfg('mailfrom'), $app->getCfg('fromname'));

// make email
		$Body = '<strong>'. JText::_('MOD_AMCALLMEBACK_LETTER_NAME').':</strong> '.$name."<br />";
		$Body .= '<strong>'. JText::_('MOD_AMCALLMEBACK_LETTER_PHONE').':</strong> '.$phone."<br />";
		$Body .= '<strong>'. JText::_('MOD_AMCALLMEBACK_LETTER_PAGE').':</strong> <a href='.$uri.'>'.$uri."</a>";

		$mailer =& JFactory::getMailer();
		$mailer->setSender($sender);
		$mailer->addRecipient($reciptient);
		$mailer->setSubject($subject);
		$mailer->isHTML(true);
		$mailer->Encoding = 'base64';
		$mailer->setBody($Body);

		$send =& $mailer->Send();

		if ( $send != true ) {
		  return 'Error sending email';
		} else {
		    return 'Request is sent';
		}
	}

}

<?php
/**
 * @version             2.0 stable
 * @package             AJAX Call me back
 * @copyright   	Copyright (C) 2012 PEREHOST.RU, All rights reserved.
 * @license             GNU/GPL http://www.gnu.org/licenses
 */

 // no direct access
defined('_JEXEC') or die('Restricted access');

?>

<script language="javascript" type="text/javascript">
window.addEvent('domready', function() {

  $('amCallMeBackForm').getElements('input').addEvents({
    focus: function() {
      if ( this.value == '<?php echo $amNameText; ?>' || this.value == '<?php echo $amPhoneText; ?>' ) {
	this.value = '';
	this.addClass('amCallMeBack-input-act');
      }
    }
  });
  
  $('amCallMeBackShowForm').addEvent('click', function(event) {
    event.stop();
    
    $('amCallMeBackIntro').destroy();
    $('amCallMeBackForm').setStyle('display','block');
  });
  
  $('amCallMeBackForm').getElements('form').addEvent('submit', function(e) {
    new Event(e).stop();
    
    new Request({
        method: "post",
        data: this,
        onRequest: function() {
          $('amCallMeBackForm').empty().addClass('amCallMeBackWait');
        },
        onComplete: function() {
	  $('amCallMeBackForm').removeClass('amCallMeBackWait');
	  $('amCallMeBackForm').addClass('amCallMeBackSent');
	  $('amCallMeBackForm').set('html', '<?php echo $amSendedText; ?>');
        }
    }).send();
  });
  
});
</script>

<div class="amCallMeBackWrap">
<div id="amCallMeBackIntro">
  <a href="javascript:void(0)" id="amCallMeBackShowForm">
    <img class="icon" src="<?php echo JURI::root().'modules'.DS.'mod_amcallmeback'.DS.'assets'.DS.'callmeback.png'; ?>" />
    <?php echo $amHeadText; ?>
  </a>
</div>

<div id="amCallMeBackForm">
	<h3><?php echo $amHeadText; ?></h3>
	<?php if( $amIntroText != '' ) : ?>
	  <p class="amCallMebackIntroText"><?php echo $amIntroText; ?></p>
	<?php endif; ?>
	<form method="post" action="<?php echo $_SERVER['REQUEST_URI']; ?>">
		<input type="text" name="name" class="amCallMeback-input" value="<?php echo $amNameText; ?>" />
		<br />
		<input type="text" name="phone" class="amCallMeback-phone" value="<?php echo $amPhoneText; ?>" />
		<br />
		<input type="submit" value="<?php echo $amButtonText; ?>" class="btn btn-mini" />
		<input type="hidden" name="action" value="amcallmebacksend" />
		<input type="hidden" name="uri" value="<?php echo JURI::current(); ?>" />
		<?php echo JHTML::_( 'form.token' ); ?>
	</form>
</div>
</div>