public function renderTemplate($templateName, array $vars = array())
 {
     $this->getSessionLog()->info("Rendering template '{$templateName}'");
     $templateFileName = ENGINEBLOCK_FOLDER_MODULES . 'Authentication/View/Proxy/' . $templateName . '.phtml';
     $view = new EngineBlock_View();
     $view->setData($vars);
     return $view->render($templateFileName);
 }