$resultIdx =1;
$categoryId = $_REQUEST["categoryId"];
$result = mysql_query("SELECT id, category, name FROM files where `category` IN (select id FROM album WHERE `group` = 'gallery' AND (`id` = '$categoryId' OR `parent`= '$categoryId'))");
while($row=@mysql_fetch_array($result)) {
$file_name = $row["name"];
?>