Integrate Bank account checker script with Wordpress Ninja forms

Hi I am looking for somebody with cgreat PHP skills to integrate a PHP bank checker script with Ninja forms on wordpress. Our Direct Debit provider had provided the cripts/s to use, and the web forms have already been built: [login to view URL] But I need somebody who can get this script to activate when a customer enters thier sort code and account number, it will then validate the bank details with out providers database and if validated return the name of the bank for outputting on the screen along with a go-ahead to process the form. this is the company and demo of the bank checker: [login to view URL] here is a link to the pre-written scripts: [login to view URL] I am assuking as the web forms are in PHP that it would be better to use the PHP script, or maybe Javascript but will leave that to up to you, whatever works! And this is the page that I need it to function on [login to view URL] I can supply FTP and/or Wordpress login details to the successful applicant - my budget is small so job will likely go to the cheapest bidder! Thank you and good luck! Neilo