return false;
}
if ($_SESSION['Items']->payment_terms['cash_sale'] == 0) {
- if (!$_SESSION['Items']->is_started() && ($_SESSION['Items']->payment_terms['days_before_due'] < 0) && ((input_num('prep_amount')<=0) ||
+ if (!$_SESSION['Items']->is_started() && ($_SESSION['Items']->payment_terms['days_before_due'] == -1) && ((input_num('prep_amount')<=0) ||
input_num('prep_amount')>$_SESSION['Items']->get_trans_total())) {
display_error(_("Pre-payment required have to be positive and less than total amount."));
set_focus('prep_amount');