if (SQL_NUMROWS($result_cats) > 0) {
// List categories
$cnt = "1"; $SW = 2; $OUT = "";
while (list($cid, $cat) = SQL_FETCHROW($result_cats)) {
// Check user's selection
if (SQL_NUMROWS($result_cats) > 0) {
// List categories
$cnt = "1"; $SW = 2; $OUT = "";
while (list($cid, $cat) = SQL_FETCHROW($result_cats)) {
// Check user's selection