An SVG Bar chart with custom background bars

This goes in the documents header:

<script src="RGraph.svg.common.core.js"></script>
<script src="RGraph.svg.bar.js"></script>
<script src="RGraph.svg.hbar.js"></script>

Put this where you want the chart to show up:

<div style="width: 750; height: 500px" id="chart-container"></div>

This is the code that generates the chart: