}
 }
 // end of if ($mode=="insert")
 //------------------------------------------------------------------------------
 if ($mode == "update") {
     if ($debug) {
         echo "current mode is update!<br>";
     }
     if ($product_obj->item_number_exists($selian_item_number)) {
         // The item still exists in the database!
         if ($debug) {
             echo "Database fields are:";
             print_r($db_buffer);
         }
         $product_obj->setDataArray($db_buffer);
         $product_obj->updatePharmacyDataFromInternalArray($item_id, FALSE);
         $MSG .= "Item with code \"" . $selian_item_number . "\" is now updated<br>";
     } else {
         // There is no item with such an item number in the database
         $ERROR_MSG .= "Something is wrong, the item code \"" . $selian_item_number . "\" is not available in the database! <br>";
         $ERROR_SELIAN_ITEM_NUMBER = TRUE;
         $ERROR = TRUE;
     }
     if ($GO_BACK_TO_SEARCH && !$ERROR) {
         header('Location: pharmacy_tz_search.php?keyword=' . $keyword . '&category=' . $item_classification);
     }
 }
 // end of if ($mode=="update")
 //------------------------------------------------------------------------------
 if ($mode == "delete") {
     if ($debug) {