anchor.diff:  				<table cellpadding="0" cellspacing="0" width="100%" id="tree_table">
   				<thead>
   						<tr class="journey_stat_header">
  -							<th><button class="expand_table_tree">Expand</button>Call</th>
  +							<th><button class="expand_table_tree table_tree_closed">Expand</button>Call</th>
   							<th>Gross duration</th>
   							<th>Net duration</th>
   							<th>Aborted</th>
  
positive.code:                 var $this = $(this),
                      $thisTr = $this.parents('table.journeys_summary_table tr'),
                      PositionListLink = $thisTr.find($('td.journeys_summary_table_positions_list a')),
                      actionSelect = $this.prop('checked');
  
                  PositionListLink.each(function(a){
                      var lineNumber = ($(this).text()),
                          highlightedTr = $('a[name='+lineNumber+']').parents('tr');
  
  
                      if (actionSelect) {
                          highlightedTr.find('td').addClass('td_select_highlight') ;
                      }else {
                          highlightedTr.find('td').removeClass('td_select_highlight')
                      }
                  })
              });
  
  
              // DESELECT BUTTON
              var deselectPositionsButton = $('.deselect_all_journey_positions');
              deselectPositionsButton.on('click', function(){
                  positionCheckbox.each(function() {
  
negative.code:         margin: 0 auto;
      }
  
      #tree_table tr:nth-child(odd), .journeys_summary_table tr:nth-child(odd) {
          background:#f7f7f7;
      }
  
      .deselect_all_journey_positions, .expand_table_tree {
          font-size: 12px;
          padding: 1px 8px;
          -webkit-border-radius: 4px;
  