Add function to form

We want to add a function to our forms. When writing zip-code, the place/town comes automatically. There is no reason why people should write their 4-digit zip code AND place. Part 1: fix the zip-codes and place [login to view URL] - this is the complete list of zip and town. The first 4 digits/numbers is the zip code, the name behind is the town. the rest behind on each line, must be deleted. Many of the names, have special characters used in Norway, and these must stay the same! Part 2: When someone fills out a 4-digit zip code, the place/town shows automatically. This must be very easy to add to already working forms on different pages/systems. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform html, php, forms