 
 class SonicProtocol
 
+  @isSupported: ->
+    window.webkitAudioContext?
+
   constructor: () ->
     @audioContext = new webkitAudioContext();
     @alpha = '0123456789.';

    )
    ssocket.send message.split('').join('.')

window.checkin = new Checkin().render()
      @people[id] = new CheckinPerson($("#person_#{id}"))
    $('#add-a-guest').click(@addGuest)
    $('.checkin-print .btn').click(@print)
    if SonicProtocol.isSupported()
      @sp = new SonicProtocol()
      @sp.listen()
    @

  selectPerson: (e) =>
