A Bar chart with horizontal gradients

This Bar chart draws the chart then uses the coordinates of the bars to create gradients (each is specific to a bar), changes the colors to the gradients and finally redraws the chart.

[No canvas support]

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