// handle ajax save request (do not show the interface)
    $ID = @$_REQUEST['ID'];
    // we posted . characters, but something converts them to _ (HTTP 1.1 standard)
    $r = array();
    foreach ($_REQUEST as $i => $v) {
        $r[join('.', explode('_', $i))] = $v;
        //convert _ back to .
    }
    $eigenschapvanrelatie = @$r['0'];
    $overtredingen = array();
    for ($i0 = 0; isset($r['1.' . $i0]); $i0++) {
        $overtredingen[$i0] = @$r['1.' . $i0 . ''];
    }
    $uitleg = @$r['2'];
    $pattern = @$r['3'];
    $Rule3 = new Rule3($ID, $eigenschapvanrelatie, $overtredingen, $uitleg, $pattern);
    if ($Rule3->save() !== false) {
        die('ok:' . serviceref($_REQUEST['content']) . '&Rule3=' . urlencode($Rule3->getId()));
    } else {
        die('Please fix errors!');
    }
    exit;
    // do not show the interface
}
$buttons = "";
if (isset($_REQUEST['new'])) {
    $new = true;
} else {
    $new = false;
}
if (isset($_REQUEST['edit']) || $new) {
function delRule3($id)
{
    $tobeDeleted = new Rule3($id);
    if ($tobeDeleted->isNew()) {
        return true;
    }
    // item never existed in the first place
    if ($tobeDeleted->del()) {
        return true;
    } else {
        return $tobeDeleted;
    }
}