Automation of Payment Gateway CREloaded site

We wish to automate the payment process for our customers in our online store. Currently this happens: 1) Clients currently submit the credit card details and any delivery comments in a secure form 2) we then process these payments manually 3) we update the status of the order submitted We wish to have all of the above happen automatically.... 1) The customer submits their information, which goes straight to our merchant/bank for approval 2) If the payment is successful, the status of the order gets changed 3) The customer is notified of the order update by email with a copy of the invoice attached. 4) An email is sent to us to advise the payment was made merchant API information is here: [login to view URL] a copy of the page that our customers fill in to submit their payment info is attached.