anchor.diff:                  },
                   hide: { fixed: true, delay: 100 },
                   style: { classes: 'ui-tooltip-light ui-tooltip-rounded ui-tooltip-shadow ui-tooltip-lightyellow' },
  -                //position: {my:'left top',at:'bottom center'}
                   position: {my:'left bottom',at:'top right'}
               });
           });
  
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;
  