<?php $userpoints=100;//atimamu tasku skaicius

$users_points=dbresult(dbquery("SELECT points_total FROM ".DB_PREFIX."users_points WHERE owner_id='".$userdata['user_id']."'"), 0);
if ($users_points >= $userpoints) {
$result=dbquery("UPDATE ".DB_PREFIX."users_points SET points_total=points_total-$userpoints WHERE owner_id='".$userdata['user_id']."'");
[b]?>[/b]