function LoadDriver($driver) {
		$driver = strtolower($driver);
		if ($driver == $this->_activeDriver) // Already loaded this driver
			return TRUE;
		if (!file_exists($file = dirname(__FILE__) . "/drivers/$driver.php"))
			return;
		require_once($file);
		$driverName = "RefLib_" . ucfirst($driver);
		$this->driver = new $driverName();
		$this->driver->parent = $this;
		$this->_activeDriver = $driver;
		return TRUE;
	}