anchor.diff:                          default: return "1.5";
                       }
                   });
  +        svg.selectAll('path').each(function(d, i) {
  +            $(this).qtip({
  +                content: {text: 'qtip failed'},
  +                events: {
  +                    render: function(event, api) {
  +                        var content = '<font size="2">' + "Mutation: <strong>" + d[5] + '</strong>(' + d[3] + ')' +  '</br>'
  +                                + "Case ID: <strong>" + "<a href='tumormap.do?case_id=" + d[4] + "&cancer_study_id=" + cancer_study_id + "'>" + d[4] + '</a></strong>' +  '</font>';
  +                        api.set('content.text', content);
  +                    }
  +                },
  +                hide: { fixed: true, delay: 100 },
  +                style: { classes: 'ui-tooltip-light ui-tooltip-rounded ui-tooltip-shadow ui-tooltip-lightyellow' },
  +                position: {my:'left bottom',at:'top right'}
  +            });
  +        });
       }
   
       //Error Handling -- empty dataset
  
positive.code:         yLegend = genetic_profile_mrna[tmp_yLegend_index][1];
      } else if (tmp_plot_type == plot_type_list[1][0]) {  //"mrna_vs_dna_mythelation"
          var tmp_yLegend_index = findIndex(document.getElementById("data_type_mrna").value, genetic_profile_mrna);
          xLegend = genetic_profile_dna_methylation[1];
          yLegend = genetic_profile_mrna[tmp_yLegend_index][1];
      } else if (tmp_plot_type == plot_type_list[2][0]) {  //"rppa_protein_level_vs_mrna"
          var tmp_xLegend_index = findIndex(document.getElementById("data_type_mrna").value, genetic_profile_mrna);;
          xLegend = genetic_profile_mrna[tmp_xLegend_index][1];
          yLegend = genetic_profile_rppa[1];
      }
      tmp_result = [xLegend, yLegend];
      return tmp_result;
  
negative.code:                         default: return "none";
                      }
                  })
              // Do not work for PDF Converter
              //.style("opacity", function(d) {
              //    switch (d[2]) {
              //        case "non": return 0.5;
  