title: Worldwide location (country, region, city) select plugin for Rails, jQuery or Google Maps API?
body: <p>Is there any plugin which will help to create a dropdown menus for countries, regions and cities? At first user chooses country, then he has his region dropdown menu updated according to which country he has chosen, he chooses region and after that from 3rd menu a city.</p>
  
  <p>Plugin can be either for Ruby on Rails, jQuery or maybe javascript solution through google maps api?</p>