diff --git a/plugins/mezuro/lib/mezuro_plugin/helpers/content_viewer_helper.rb b/plugins/mezuro/lib/mezuro_plugin/helpers/content_viewer_helper.rb
index 9d760b3..dccfb66 100644
--- a/plugins/mezuro/lib/mezuro_plugin/helpers/content_viewer_helper.rb
+++ b/plugins/mezuro/lib/mezuro_plugin/helpers/content_viewer_helper.rb
@@ -1,3 +1,5 @@
+require 'googlecharts'
+
 class MezuroPlugin::Helpers::ContentViewerHelper
   def self.format_grade(grade)
     sprintf("%.2f", grade.to_f)
@@ -6,4 +8,14 @@ class MezuroPlugin::Helpers::ContentViewerHelper
   def self.create_periodicity_options
    [["Not Periodically", 0], ["1 day", 1], ["2 days", 2], ["Weekly", 7], ["Biweeky", 15], ["Monthly", 30]]
   end
+  
+  def self.generate_chart(values)
+    Gchart.line(  
+                :title_color => 'FF0000',
+                :size => '700x180', 
+                :bg => {:color => 'efefef', :type => 'stripes'},
+                :line_colors => 'c4a000',
+                :data => values,
+                :axis_with_labels => 'y')
+  end
 end
--
libgit2 0.21.2