Localize your greeting message with javascript

localize_greeting.coffee

##################################################################
#                                                                #
#   Copyright (C) 2012 Dommmel <dommmel@gmail.com>               #
#   This code is released under WTFPL, version 2.0.              #
#                                                                #
##################################################################

# Usage:
#  <span id="sayhi">привет</span>
#  <script>
#    replace_text_with_greeting("#sayhi");
#  </script>



# country codes should have the ISO 3166 format. 
# See http://en.wikipedia.org/wiki/ISO_3166-2
greeting_for = 
  "default" : "Hi"
  "DE" : 
    "default" : "Hallo"
    "Baden-Wurttemberg" : "Grüß Gottle"
    "Bayern" : "Servus"
    "Hamburg" : "Moin"
  "CH" : "Grüezi"
  "AT" : "Habe die Ehre"
  "FR" : "Salut"
  "US" : "Hello"

replace_text_with_greeting = (selector) ->
  $.getJSON "http://freegeoip.net/json/?callback=?", (resp) ->
    $(selector).text(
      if greeting_for[resp.country_code]?  
        greeting_for[resp.country_code][resp.region_name] or greeting_for[resp.country_code]["default"] or greeting_for[resp.country_code] 
      else
        greeting_for["default"]
    )