get-tz.js

get_tz = ()->
  lat = $('input[name=lat]').val()
  lng = $('input[name=lng]').val()
  time = Math.round((new Date().getTime())/1000)
  $.ajax(
     url:"https://maps.googleapis.com/maps/api/timezone/json?location=#{lat},#{lng}&timestamp=#{time}&sensor=false",
  ).done((response) ->
    if(response.timeZoneId != null)
      console.log(response)
      alert(response.timeZoneId)
  )
defer_tz_updater = null
defer_get_tz = ()->
  # Defer the change incase this gets called multiple times quickly
  clearTimeout(defer_tz_updater)
  defer_tz_updater = setTimeout(get_tz,500)
$('input[name=lat]').change (event)->
  defer_get_tz()
$('input[name=lng]').change (event)->
  defer_get_tz()