A Pie chart with variable radius

[No canvas support]

This goes in the documents header: 
<script src="RGraph.common.core.js"></script>
<script src="RGraph.pie.js"></script>
Put this where you want the chart to show up: 
<div>
    <canvas id="cvs" width="800" height="400">[No canvas support]</canvas>
</div>
This is the code that generates the chart - it should be placed AFTER the canvas tag(s):