 
     # display supplemental tutorial
     for classification_count in @whenToDisplayTips
-      # if User.current.preferences.planet_hunter.supplemental_option and @course.count is classification_count
       if @course.count is classification_count
         console.log "*** DISPLAY SUPPLEMENTAL TUTOTIAL # #{classification_count} *** "
         @supplementalTutorial.first = "displayOn_" + classification_count.toString()
         @supplementalTutorial.start()
 
         if @course.count is 7
-
-          # if @allowCustomCourseInterval
-          #   newElement = document.createElement('div')
-          #   newElement.setAttribute 'class', "custom-interval-setter"
-          #   newElement.setAttribute 'style', "padding-top: 20px;"
-          #   newElement.innerHTML = """
-          #     <div id="course-interval-setter">
-          #       <div class="course-interval-text">Launch mini-course every </div>
-          #       <input type="number" id="course-interval-sup-tut" name="course-interval-sup-tut" value="5"></input>
-          #       <div class="course-interval-text"> classifications!</div>
-          #     </div>
-          #   """
-          #   @supplementalTutorial.container.getElementsByClassName('zootorial-content')[0].appendChild(newElement)
 
           newElement = document.createElement('div')
           newElement.setAttribute 'class', "supplemental-tutorial-option-container"

  onChangeSupplementalOption: ->
    console.log 'onChangeSupplementalOption(): '
    return unless User.current?
    # supplementalOption = User.current.preferences.planet_hunter.supplemental_option
    # supplementalOption = not supplementalOption
    # User.current?.setPreference 'supplemental_option', supplementalOption

  onChangeMiniCourseOption: ->
    console.log 'onChangeMiniCourseOption(): '

    # console.log 'SPLIT DESIGNATION: ', User.current.project.splits.mini_course_sup_tutorial
    if User.current?
      @handleSplitDesignation()
      if User.current.preferences?.planet_hunter?
        preferences = User.current.preferences.planet_hunter
        if +preferences.count is 0
          if @splitDesignation in ['a', 'b', 'c', 'g', 'h', 'i']
            @courseOptionIsChecked = false
          else if @splitDesignation in ['d', 'e', 'f', 'j', 'k', 'l']
            @courseOptionIsChecked = true

      if @courseOptionIsChecked
        User.current?.setPreference 'course', 'yes'
      else
        User.current?.setPreference 'course', 'no'
    
    # handle first-time users
    if +preferences?.count? is 0 or not User.current?
      console.log 'First-time user. Loading tutorial...'
      # @onClickTutorial()
      @launchTutorial()

    Subject.next() unless @classification?

  handleSplitDesignation: ->
    console.log 'handleSplitDesignation()'
    @splitDesignation = User.current.project.splits.mini_course_sup_tutorial
    @splitDesignation = 'd' # DEBUG CODE

    # HANDLE MINI-COURSE SPLITS
