           opts = {
             labels: [ "Date/Time", "v" ]
             strokeWidth: 2
+            showLabelsOnHighlight: false
+            legend: "never"
           }
 
           if metric.unit == "%"

      # display graphs
      @resources.each (res) ->
        metrics = res.get("metrics");
        _.each metrics, (metric, key) ->
          s = ".resource[resource_id=" + res.id + "] .metric[metric='" + key + "']"
          el = $(s + " .graph")[0]

          vals = _.map metric.vals, (v) ->
            [ new Date(v.x * 1000), v.y ]

          # draw
          g = new Dygraph(el, vals, opts)

          # set callbacks
          xOptView = g.optionsViewForAxis_('x');
          xvf = xOptView('valueFormatter');
          opts = {
            highlightCallback: (e, x, pts, row) ->
              date = xvf(x, xOptView, "", g) + ", " + sprintf("val = %0.2f%s", pts[0].yval, unit)
              footer.text(date)

            unhighlightCallback: (e) ->
              footer.text(footer_text)
          }
          g.updateOptions(opts);

    render_with_rickshaw: ->
      render()
