protected function utf8ize($mixed)
	{
		if (is_array($mixed))
		{
			foreach ($mixed as $key => $value)
			{
				$mixed[$key] = self::utf8ize($value);
			}
		}
		else if (is_string ($mixed))
		{
			return utf8_encode($mixed);
		}

		return $mixed;
	}