public function previous_state()
	{	
		$id = (int) ps('ID');

		if (!$id)
		{
			return;
		}

		$this->prev_permlink = permlinkurl_id($id);
		$this->prev_status = fetch('Status', 'textpattern', 'ID', $id);
		unset($GLOBALS['permlinks'][$id]);
	}