}
switch ($mode) {
case 'delete':
if ($DRG_obj->deleteDiagnosis($itemx)) {
header($saved_header);
exit;
}
break;
case 'update_stat':
if ($DRG_obj->setDiagnosisCategory($pn, $itemx, $val)) {
header($saved_header);
exit;
}
break;
case 'update_loc':
if ($DRG_obj->setDiagnosisLocalization($itemx, $val)) {
header($saved_header);
exit;
}
break;
}
// end of switch
if (!isset($group_nr)) {
$group_nr = 0;
}
if (!isset($opnr)) {
$opnr = 0;
}
if ($display == 'composite') {
$drg =& $DRG_obj->DiagnosisCodes($group_nr);
} else {