hyperlink_params("$path_to_root/purchasing/supplier_payment.php", _("Entry supplier &payment for this invoice"),
"trans_type=$trans_type&PInvoice=".$trans_no);
hyperlink_params("$path_to_root/purchasing/supplier_payment.php", _("Entry supplier &payment for this invoice"),
"trans_type=$trans_type&PInvoice=".$trans_no);