$insurance_obj->trackChanges('billing', $new_bill_number, 'prescription', $prescriptions_nr, 'change', $dosageOld, $dosageNew, 'dosage', $comment, $user);
         }
         if ($timesPerDayOld != $timesPerDayNew) {
             $insurance_obj->trackChanges('billing', $new_bill_number, 'prescription', $prescriptions_nr, 'change', $timesPerDayOld, $timesPerDayNew, 'times per day', $comment, $user);
         }
         if ($daysOld != $daysNew) {
             $insurance_obj->trackChanges('billing', $new_bill_number, 'prescription', $prescriptions_nr, 'change', $daysOld, $daysNew, 'days', $comment, $user);
         }
         $bill_obj->StorePrescriptionItemToBill($pid, $prescriptions_nr, $new_bill_number, $_POST['insurance_' . $prescriptions_nr], $_GET['unit_price']);
         $bill_obj->UpdateBillNumberNewPrescription($prescriptions_nr, $new_bill_number);
         //$bill_obj->deduct_from_stock($prescriptions_nr,$_POST['dosage_'.$prescriptions_nr]);
         if ($debug) {
             echo "Prescription: allocate2insurance(" . $new_bill_number . ", " . $_POST['showprice_' . $prescriptions_nr] . "," . $_POST['insurance'] . ");";
         }
         if ($_POST['insurance'] != -1) {
             $insurance_obj->allocatePrescriptionsToinsurance($new_bill_number, $prescriptions_nr, $_POST['showprice_' . $prescriptions_nr], $_POST['insurance']);
         }
     } elseif ($_POST['modepres_' . $prescriptions_nr] == 'delete') {
         $insurance_obj->trackChanges('billing', -1, 'prescription', $prescriptions_nr, 'delete', $dosageOld, '-', 'dosage', $comment, $user);
         $deletecounter++;
         //Hmm, lets kick this one out!
         $bill_obj->DeleteNewPrescription($prescriptions_nr, 'Disabled by billing officer');
     }
 } elseif (strstr($x, "modelab_")) {
     if ($debug) {
         echo "looking for lab ...<br>";
     }
     $labtest_nr = substr(strrchr($x, "_"), 1);
     $dosageNew = $_POST['dosage_' . $labtest_nr];
     $timesPerDayNew = $_POST['times_per_day_' . $labtest_nr];
     $daysNew = $_POST['days_' . $labtest_nr];