function can_process() {
global $Refs;
+ if (!get_post('customer_id'))
+ {
+ display_error(_("There is no customer selected."));
+ set_focus('customer_id');
+ return false;
+ }
+
+ if (!get_post('branch_id'))
+ {
+ display_error(_("This customer has no branch defined."));
+ set_focus('branch_id');
+ return false;
+ }
+
if (!is_date($_POST['OrderDate'])) {
display_error(_("The entered date is invalid."));
set_focus('OrderDate');
set_focus('ref');
return false;
}
+ if ($_SESSION['Items']->trans_no==0 && !is_new_reference($_POST['ref'],
+ $_SESSION['Items']->trans_type)) {
+ display_error(_("The entered reference is already in use."));
+ set_focus('ref');
+ return false;
+ }
return true;
}