anchor.diff:          var cancerStudyNames = [<%=studiesNames%>];
   
           histogramData.addColumn('string', 'Cancer Study');
  -        histogramData.addColumn('number', 'Percent Alteration');
  +        histogramData.addColumn('number', 'Mutation');
  +        histogramData.addColumn('number', 'Deletion');
  +        histogramData.addColumn('number', 'Amplification');
  +        histogramData.addColumn('number', 'Multiple Alteration');
   
           histogramData2.addColumn('string', 'Cancer Study');
  -        histogramData2.addColumn('number', 'Number of Unaltered Cases');
  -        histogramData2.addColumn('number', 'Number of Altered Cases');
  +        histogramData2.addColumn('number', 'Not altered');
  +        histogramData2.addColumn('number', 'Mutation');
  +        histogramData2.addColumn('number', 'Deletion');
  +        histogramData2.addColumn('number', 'Amplification');
  +        histogramData2.addColumn('number', 'Multiple Alteration');
   
           for(var i=0; i < cancerStudies.length; i++) {
  -            histogramData.addRow([cancerStudyNames[i], 0]);
  -            histogramData2.addRow([cancerStudyNames[i], 0, 0]);
  +            histogramData.addRow([cancerStudyNames[i], 0, 0, 0, 0]);
  +            histogramData2.addRow([cancerStudyNames[i], 0, 0, 0, 0, 0]);
           }
   
           drawChart();
  
positive.code:             var options2 = {
                title: 'Number of Altered Cases for each Cancer Study',
                hAxis: {title: 'Cancer Study'},
                colors: ['#dddddd', '#008000'],
                animation: {
                  duration: 750,
                  easing: 'linear',
                },
                legend: {
                  position: 'bottom'
                },
                hAxis: {
                  slantedTextAngle: 45,
                },
                isStacked: true
              };
  
negative.code:             out.println("<span class='ui-icon ui-icon-triangle-1-s'"
                      + " style='float:left;display:none;'></span>");
              out.println(cancerStudy.getName());
              out.println("<span class='ui-icon ui-icon-grip-solid-horizontal movable-icon' style='float:right;'"
                      + " title='You can drag this box and drop it to anywhere on the list.'></span>");
              out.println("<span class='percent_altered' id='percent_altered_" + cancerStudy.getCancerStudyStableId()
                      + "' style='float:right'><img src='images/ajax-loader2.gif'></span>");
  