Yes, I am going to pay today and get 10% discount and pay +VAT
   Yes, I would like to pay within the next 5 business days and get 5% discount and pay +VAT
   No thank you, I do not want to use this offer

if ($_POST["so_discount"] = 'SOT') { $stuff .= "Amount=10&"; } if ($_POST["so_discount"] = 'SO5') { $stuff .= "Amount=15&"; } if ($_POST["so_discount"] = 'SO5') { $stuff .= "Amount=" . (1+VAT) * $Srw['fPrice'] * $fNumberOfDelegates . "&"; }