anchor.diff:      prettify: false,
       hasGrid: true,
       from: max_height,
  -    to: 0,
  +    to: min_height,
       onFinish: function (obj) {      // callback is called on slider action is finished
         if (in_imperial) {
           range_from = obj.fromNumber / mft_k;
  
positive.code: 
  }
  
  function show_track_on_document_ready() {
  
    init_units();
    init_view_type();
  
    set_chart_data();
    updateRangeSelector();
    updateUnits();
  }
  
  $(document).ready(function() {
  
    $('#toggle_multi').click(function (e) {
      e.preventDefault();
  
negative.code:       }]
    });
  
  }
  
  function show_track_on_document_ready() {
  
    init_units();
    init_view_type();
  
    init_objects();
  
    set_chart_data();
    updateRangeSelector();
    updateUnits();
  }