anchor.diff:        if $rootScope.show_feed_tour
           # The feed tour is only shown in screens bigger than a smartphone
           enquire.register sm_min_media_query, ->
  -          $http.get("/api/tours/feed.json")
  -          .success (data)->
  -            tour =
  -              id: 'feed-tour',
  -              showCloseButton: true,
  -              showPrevButton: false,
  -              showNextButton: true,
  -              onEnd: dont_show_feed_tour,
  -              onClose: dont_show_feed_tour,
  -              i18n: data['i18n'],
  -              steps: data['steps']
  -            hopscotch.startTour tour
  -          .error (data, status)->
  -            timerFlagSvc.start 'error_loading_tour' if status!=0
  +          worker_load_tours.postMessage {token: token, tour: TOURS.feed_tour}
   
       #---------------------------------------------
       # Show the entry application tour.
       #---------------------------------------------
       show_entry_tour: ->
         if $rootScope.show_entry_tour
  -        $http.get("/api/tours/entry.json")
  -        .success (data)->
  -          tour =
  -            id: 'entry-tour',
  -            showCloseButton: true,
  -            showPrevButton: false,
  -            showNextButton: true,
  -            onEnd: dont_show_entry_tour,
  -            onClose: dont_show_entry_tour,
  -            i18n: data['i18n'],
  -            steps: data['steps']
  -          # Show entry tour after a 600ms delay, to give entry open/autoscroll
  -          # animation time to finish.
  -          $timeout ->
  -            hopscotch.startTour tour
  -          , 600
  -
  -        .error (data, status)->
  -          timerFlagSvc.start 'error_loading_tour' if status!=0
  -
  -
  +        worker_load_tours.postMessage {token: token, tour: TOURS.entry_tour}
   
       #---------------------------------------------
       # Reset all application tours, so that they are shown again from the beginning.
  
positive.code:   worker_load_tours.onmessage = (e) ->
      if e.data.status == 200 || e.data.status == 304
        if e.data.response.tour == TOURS.main_tour
          tour =
            id: 'main-tour',
            showCloseButton: true,
  
negative.code:     if $rootScope.show_mobile_tour
        # The mobile tour is only shown in smartphone-sized screens
        enquire.register xs_max_media_query, ->
          worker_load_tours.postMessage {token: token, tour: TOURS.mobile_tour}
  
    #--------------------------------------------
    # PRIVATE FUNCTION: at the end of main tour, mark show_main_tour flag to false so it's not shown again; and if the
  