static function GetSingleton()
 {
     if (FrontController::$singleton === null) {
         FrontController::$singleton = new FrontController();
     }
     return FrontController::$singleton;
 }
 /**
  * Returns the Singleton front controller instance.
  */
 public static function &fc()
 {
     if (is_null(self::$singleton)) {
         $siteconfig = array();
         include './config.inc.php';
         self::$singleton = new FrontController($siteconfig);
     }
     return self::$singleton;
 }