# File temp/Graph/Graph.rb, line 499
      def make_datapoint_text( x, y, value, style="" )
        if show_data_values
          @foreground.add_element( "text", {
            "x" => x.to_s,
            "y" => y.to_s,
            "class" => "dataPointLabel",
            "style" => "#{style} stroke: #fff; stroke-width: 2;"
          }).text = value.to_s
          text = @foreground.add_element( "text", {
            "x" => x.to_s,
            "y" => y.to_s,
            "class" => "dataPointLabel"
          })
          text.text = value.to_s
          text.attributes["style"] = style if style.length > 0
        end
      end