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