Script that flashes up when Finish is clicked.

VendorTxCode=19&Amount=45&Currency=GBP&Description=W19&SuccessURL=http://www.diywetroom.pigeontech.co.uk/index.php?option=com_hikashop&ctrl=checkout&task=notify¬if_payment=sagepay¬if_id=3&tmpl=component&lang=en&Itemid=104&FailureURL=http://www.diywetroom.pigeontech.co.uk/index.php?option=com_hikashop&ctrl=checkout&task=notify¬if_payment=sagepay¬if_id=3&tmpl=component&lang=en&Itemid=104&CustomerName=Gareth Pugh&SendEMail=0&BillingFirstnames=Gareth&BillingSurname=Pugh&BillingAddress1=3 St Giles manor, Church Street&BillingAddress2=&BillingCity=Matlock&BillingPostCode=DE4 3BZ&BillingCountry=GB&DeliveryFirstnames=Gareth&DeliverySurname=Pugh&DeliveryAddress1=3 St Giles manor, Church Street&DeliveryAddress2=&DeliveryCity=Matlock&DeliveryPostCode=DE4 3BZ&DeliveryCountry=GB&ReferrerID=B5C3FBCA-9E9C-4C49-B3ED-3AFEEF7592A4&BillingAgreement=0&AllowGiftAid=0&ApplyAVSCV2=0&Apply3DSecure=0