public function getOffset($limit = self::LIMIT, $order = 'desc') {
		if ($limit === 0) {
			return 0;
		}
		if ($order == 'asc' || $order == 'time_created::asc') {
			$before = $this->getCommentsBefore(array('count' => true, 'offset' => 0));
		} else {
			$before = $this->getCommentsAfter(array('count' => true, 'offset' => 0));
		}
		
		return floor($before / $limit) * $limit;
	}