function get_objects($status = NULL, $id = NULL, $i = 1)
{
    global $db;
	$indent = '                        ';
	if (!in_array($status, array('all', 'owned', 'ordered', 'wanted', 'unwanted'))) {
		$status = 'all';
	}

	$i_sql = "SELECT book_titles.isbn, book_titles.title, book_titles.volume, book_titles.status";
	$i_sql .= (!$id) ? " FROM book_titles" : " FROM book_titles, book_series2isbn";
	$i_sql .= (!$id) ? " WHERE NOT EXISTS (SELECT * FROM book_series2isbn WHERE book_series2isbn.isbn = book_titles.isbn)" : " WHERE book_series2isbn.isbn = book_titles.isbn AND book_series2isbn.serie_id = {$id}";
	$i_sql .= ($status == 'all') ? "" : " AND book_titles.status = '{$status}'";
	$i_sql .= " ORDER BY book_titles.volume, book_titles.title ASC";
	$i_result = mysql_query($i_sql, $db['connect']);
	if (mysql_errno($db['connect'])) die(mysql_errno($db['connect']) . ': ' . mysql_error($db['connect']) . '<hr />'.$i_sql);

	if (!$id) {
		$sql = "SELECT book_series.id, book_series.serie, book_series.info FROM book_series WHERE book_series.p_id IS NULL ORDER BY book_series.serie ASC";
	}
	else {
		$sql = "SELECT book_series.id, book_series.serie, book_series.info FROM book_series WHERE book_series.p_id = {$id} ORDER BY book_series.serie ASC";
		for ($i2 = 0; $i2 < $i; $i2++) {
			$level .= '&raquo; ';
		}
		$i++;
	}
	$result = mysql_query($sql, $db['connect']);
	if (mysql_num_rows($result) || mysql_num_rows($i_result)) {
        if ((mysql_num_rows($result) && !mysql_num_rows($i_result)) || !$id) {
        	echo $indent, "<!-- Series Begin -->\n";
        }

		if (mysql_num_rows($result)) {
			while (list($pid, $serie, $info) = mysql_fetch_array($result)) {
				$s_sql = "SELECT book_series.id FROM book_series WHERE book_series.p_id = {$pid}";
				$s_result = mysql_query($s_sql, $db['connect']);
				if (mysql_errno($db['connect'])) die(mysql_errno($db['connect']) . ': ' . mysql_error($db['connect']) . '<hr />' . $s_sql);
				$s2i_sql = "SELECT book_series2isbn.serie_id FROM book_series2isbn WHERE book_series2isbn.serie_id = {$pid}";
				$s2i_result = mysql_query($s2i_sql, $db['connect']);
				if (mysql_errno($db['connect'])) die(mysql_errno($db['connect']) . ': ' . mysql_error($db['connect']) . '<hr />'.$s2i_sql);
				if (!mysql_num_rows($s_result) && !mysql_num_rows($s2i_result)) continue;
				$info = ($info) ? ": {$info}" : '';
				echo $indent, "<tr>\n";
				echo $indent, '    <td colspan="4" class="category">', $level, $serie, $info, "</td>\n";
				echo $indent, "</tr>\n";
				get_objects($status, $pid, $i);
			}
		}
		if (mysql_num_rows($i_result)) {
			if ($id) {
				echo $indent, "<!-- Titles Begin -->\n";
			}
			$row = 1;
			while (list($isbn, $title, $volume, $status) = mysql_fetch_array($i_result)) {
				$volume = (!$volume) ? '' : $volume;
				echo $indent, '<tr class="';
				echo ($row % 2) ? 'odd' : 'even';
				echo '">', "\n";
				echo $indent, '    <td class="cover"><a href="/pictures/covers/', $isbn, '.jpg"><img src="/picture/covers/.tmb_', $isbn, '.jpg" /></a></td>', "\n";
				echo $indent, '    <td class="volume">', $volume, "</td>\n";
				echo $indent, '    <td class="title">', "\n";
				echo $indent, '        ', $title, "<br />\n";
				echo $indent, '        <span class="isbn">ISBN: ', (stristr($isbn, '_')) ? substr($isbn, 0, strpos($isbn, '_')) : $isbn, "</span>\n";
				echo $indent, "    </td>\n";
				echo $indent, '    <td class="authors">', "\n";

				$a2i_sql = "SELECT book_authors.id, book_authors.firstname, book_authors.lastname FROM book_authors, book_authors2isbn WHERE book_authors.id = book_authors2isbn.author_id AND book_authors2isbn.isbn = '{$isbn}' ORDER BY book_authors.firstname ASC";
				$a2i_result = mysql_query($a2i_sql, $db['connect']);
				if (mysql_errno($db['connect'])) die(mysql_errno($db['connect']) . ': ' . mysql_error($db['connect']) . '<hr />'.$a2i_sql);
				if (mysql_num_rows($a2i_result)) {
					$c = 0;
					echo $indent, '        ';
					while (list($aid, $firstname, $lastname) = mysql_fetch_array($a2i_result)) {
						if ($c > 0) {
							echo ', ';
						}
						echo $firstname, ' ', $lastname;
						$c++;
					}
					echo "<br />\n";
				}

				echo $indent, "    </td>\n";
				echo $indent, "</tr>\n";
				$row++;
			}
			if ($id) {
				echo $indent, "<!-- Titles End -->\n";
			}
		}
		if ((mysql_num_rows($result) && !mysql_num_rows($i_result)) || !$id) {
			echo $indent, "<!-- Series End-->\n";
		}
	}
}