public function keep_flash($name)
	{
		if (is_null($name))
		{
			foreach($this->flash as $key => $value)
			{
				$this->flash[$key]['state'] = 'new';
			}
		}
		elseif (isset($this->flash[$this->config['flash_id'].'::'.$name]))
		{
			$this->flash[$this->config['flash_id'].'::'.$name]['state'] = 'new';
		}

		return $this;
	}