$tax_items = get_trans_tax_details(ST_SUPPINVOICE, $trans_no);
display_supp_trans_tax_details($tax_items, 1);
$display_total = number_format2($supp_trans->ov_amount + $supp_trans->ov_gst,user_price_dec());
$tax_items = get_trans_tax_details(ST_SUPPINVOICE, $trans_no);
display_supp_trans_tax_details($tax_items, 1);
$display_total = number_format2($supp_trans->ov_amount + $supp_trans->ov_gst,user_price_dec());