anchor.diff:      fnDrawCallback: function() {
         animateSpinner(this, false);
         changeToViewMode();
  -      sampleInfoListener();
         updateButtons();
       },
       preDrawCallback: function() {
  
positive.code:         li.removeClass('col-invisible');
          column.visible(true);
        }
      });
    }
  
  
negative.code:       table.on('mousedown', function() {
          $('#samples-columns-dropdown').removeClass('open');
        });
      }
    });
  
  