anchor.diff:              type: 'pie'
           },
           title: {
  -            text: 'Bewertungen aller Veranstaltungen'
  +            text: 'Erreichte Credits'
           },
           subtitle: {
               text: 'Source: <a href="http://netmarketshare.com/">netmarketshare.com</a>'
  
positive.code:         }]
      });
  });
  </script>
negative.code:         <% @blocks.each do |block| %> 
          '<%= block.name%>', <%end%>],
          data = [ <% @blocks.each do |block| %>{
              y: <%=((block.credits_min / Block.sum(:credits_min).to_f)*100).round(2)%>,
              color: colors[<%=counter%>],
              drilldown: {
                  name: 'Veranstaltung',
                  categories: [ <% block.events.each do |event| %>' <%= event.title%>', <%end%>],
                  data: [<% block.events.each do |event| %>
                  <%=event.credits%>,<%end%>],
                  color: colors[0]
              } 
          }, <%counter +=1%><%end%>],
  