JParameter. Fatal error class 'JParameter' not found - Joomla 2.5: Шаблоны, разметка и макеты вывода

if ( $app->isAdmin() ) return false;

		$this->params = new JParameter(JPluginHelper::getPlugin('system', 'keycaptcha')->params);

		$extname = JRequest::getVar('option');

function onAfterRoute()
        {
		global $mainframe;						
		
		$app = &JFactory::getApplication();
		// if admin panel, then exit
		if ( $app->isAdmin() ) return false;

		$this->params = new JParameter(JPluginHelper::getPlugin('system', 'keycaptcha')->params);

		$extname = JRequest::getVar('option');
		$task = JRequest::getVar('task');
		$view = JRequest::getVar('view');

		// aiContactSafe
		if ($extname =="com_aicontactsafe"){
			$mail = JRequest::getVar('aics_email');
			if (empty($mail)){
				return false;
			}
		}		

if ( $app->isAdmin() ) return false;

		$this->params = new JParameter(JPluginHelper::getPlugin('system', 'keycaptcha')->params);

		$extname = JRequest::getVar('option');

$config = JFactory::getConfig();

		if (!$config->getValue('config.legacy')) {
			$config->setValue('config.live_site', JOOMLATUNE_LIVE_SITE);