Code For Ebay Template to Display Buyer's country base on IP detected

We are looking for someone to write a code that does the following: 1) Code will be embedded in our ebay template. 2) When buyer from any country visits our ebay listing the code will detect which country the buyer is visiting from. 3) the code will populate a) the country's flag, b) a statement such as "Free shipping to (Country) This is very specific project so it will either be very easy for you or difficult, please message back indicating it could be done, we want to see an example prior to accepting the project. Please note this is will happen in an ebay HTML environment, not on a website where you have full access to the server and backend.