     'mouseenter #course-yes-container'       : 'onMouseoverCourseYes'
     'mouseleave  #course-yes-container'      : 'onMouseoutCourseYes'
     'change #course-interval'                : 'onChangeCourseInterval'
+    'change .supplemental-option'            : 'onChangeSupplementalOption'
 
   constructor: ->
     super    


        newElement = document.createElement('div')
        newElement.setAttribute 'class', "supplemental-tutorial-option-container"
        newElement.setAttribute 'style', "float: right; padding: 5px;"
        newElement.innerHTML = """
          <input class=\"supplemental-option\" type=\"checkbox\"></input>
          <label>Do not show tips in the fiture.</label>

    @el.find('#course-interval-setter').hide 400, =>
      @blockCourseIntervalDisplay = false
  # /////////////////////////////////////////////////

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

  onChangeCourseInterval: ->
    # console.log 'VALUE: ', @el.find('#course-interval').val()
