An SVG Line chart showing the null bridge option

This goes in the documents header:
<script src="RGraph.common.core.js"></script>
<script src="RGraph.drawing.background.js"></script>
<script src="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 - it should be placed AFTER the <div> tag: