anchor.diff:  
           R.div props_for_slider_handle, 
   
  -          R.div className: 'the_handle', onClick: @togglePage, onMouseUp: @saveSlider,
  +          R.div className: 'the_handle', onClick: @togglePage,
               if page == 'crafting'
                 R.div className: 'face',            
                   R.div className: 'face_mouth face_part', style: face_mouth_style
  
positive.code: 
  fetch 'slider',
    has_moved : false
    stance : 0
    stance_segment : getStanceSegment 0
  
  
negative.code:         stop : (ev, ui) =>
            if root.page_name == 'results'
              togglePage('crafting')
  
            # We save the slider's position to the server only on mouse-up.
            # This way you can drag it with good performance.
            your_opinion = @data(@data('root').your_opinion_key)
            slider = @data('slider')
            if your_opinion.stance != slider.stance
              your_opinion.stance         = slider.stance
              your_opinion.stance_segment = slider.stance_segment
              save(your_opinion)
  
            slider.is_moving = false
            save(slider)
  
    togglePage : (ev) ->
      root = @data('root')
  