diff --git a/plugins/mezuro/public/javascripts/project_content.js b/plugins/mezuro/public/javascripts/project_content.js
index e4cce62..68ec968 100644
--- a/plugins/mezuro/public/javascripts/project_content.js
+++ b/plugins/mezuro/public/javascripts/project_content.js
@@ -4,6 +4,7 @@ jQuery(function (){
   jQuery('.source-tree-link').live("click", reloadModule);
   jQuery('[data-show]').live("click", toggle_mezuro);
   jQuery('[show-metric-history]').live("click", display_metric_history);
+  jQuery('[show-grade-history]').live("click", display_grade_history);
   showLoadingProcess(true);
   showProjectContent();
 });
@@ -20,6 +21,11 @@ function display_metric_history() {
   return false;
 }
 
+function display_grade_history() {
+  alert(jQuery(this).attr('show-grade-history'));
+  return false;
+}
+
 function show_metrics(content) {
   jQuery('#historical-' + metricName).html(content);
 }
diff --git a/plugins/mezuro/views/content_viewer/_module_result.rhtml b/plugins/mezuro/views/content_viewer/_module_result.rhtml
index cc1f544..e22f9e1 100644
--- a/plugins/mezuro/views/content_viewer/_module_result.rhtml
+++ b/plugins/mezuro/views/content_viewer/_module_result.rhtml
@@ -39,11 +39,12 @@
   </tbody>
   <tfoot>
     <tr>
-      <td colspan = "4" align = "right">
+      <td colspan = "4" align = "right"> <a href="#" show-grade-history="<%= module_result.grade %>" >
         <strong>
           <%= _('Grade:') %>
           <%= "%.02f" % module_result.grade %>
         </strong>
+	</a>
       </td>
     </tr>
   </tfoot>
--
libgit2 0.21.2