A Line chart inspired by a chart on the NVD website (canvas version)

[No canvas support]

This goes in the documents header: 
<script src="../libraries/RGraph.common.core.js" ></script>
<script src="../libraries/RGraph.line.js" ></script>
Put this where you want the chart to show up: 
<canvas id="cvs" width="600" height="250">[No canvas support]</canvas>
This is the code that generates the chart: