private static function getFB()
 {
     if (self::$fb) {
         return self::$fb;
     }
     $bootstrap = Zend_Controller_Front::getInstance()->getParam('bootstrap');
     $options = $bootstrap->getOptions();
     $fb = new FbSDK_Facebook(array('appId' => $options['facebook']['appid'], 'secret' => $options['facebook']['appsecret'], 'cookie' => $options['facebook']['cookie'], 'fileUpload' => $options['facebook']['fileupload']));
     self::$fb = $fb;
     return self::$fb;
 }