Need eBay desktop toolbar created that will search misspelling and be tagged with my affiliate link

Hi, I am looking for someone to create a desktop tool bar that would be on? when someone opens their? web browser. It would be an ebay search bar that would search for misspellings and then redirect them to eBay via? an affiliate link. The user of the software would be able to enter their ebay affiliate link into the program during installitation so they would get credit for their purchases on eBay.