+ if (isset($_POST['tax_algorithm']))
+ $supp_trans->tax_algorithm = $_POST['tax_algorithm'];
+
+ $supp_trans->ex_rate = input_num('_ex_rate', null);
+
+ $supp_trans->ov_amount = $supp_trans->ov_discount = 0; /* for starters */
+ if (isset($_POST['mantax'])) {
+ foreach($_POST['mantax'] as $id => $tax) {
+ $supp_trans->tax_overrides[$id] = user_numeric($_POST['mantax'][$id]);
+ }
+ }
+ else
+ unset($supp_trans->tax_overrides);