public static function createRequestRegistry()
 {
     if (FALSE == self::$_isCreated) {
         if (NULL == self::$RequestRegistry) {
             self::$RequestRegistry = new Request();
         }
         self::$_isCreated = TRUE;
         return self::$RequestRegistry;
     } else {
         self::$RequestRegistry->iniRequest();
         return self::$RequestRegistry;
     }
 }