public function AbsoluteLink($action = null) {

		$parent = $this->getParent();
		if(!$parent) {
			return null;
		}
		$date = ($parent->URLFormatting !== '-') ? $this->dbObject('Date')->Format($parent->URLFormatting ?: 'y/MM/dd/') : '';
		$link = $parent->AbsoluteLink() . "{$date}{$this->URLSegment}/";
		if($action) {
			$link .= "{$action}/";
		}
		return $link;
	}