A grouped bar chart with background image

This goes in the documents header:

<script src="RGraph.common.core.js"></script>
<script src="RGraph.common.effects.js"></script>
<script src="RGraph.common.key.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]
</canvas>

This is the code that generates the chart:

<script>
    new RGraph.Bar({
        id: 'cvs',
        data: [[5,6],[7, 7],[6, 9],[8, 12],[12, 13],[15, 18],[45, 42],[55, 53],[36, 37],[25, 28],[20, 24],[15, 18]],
        options: {
            backgroundImage: '../images/bg.png',
            backgroundGrid: false,
            labels: ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'],
            key: ['Sunshine in 2000', 'Sunshine in 2005'],
            keyPosition: 'gutter',
            keyPositionGutterBoxed: false,
            keyBackground: 'rgb(255,255,255)',
            colors: ['yellow', 'red'],
            shadow: true,
            shadowBlur: 15,
            shadowOffsetx: 0,
            shadowOffsety: 0,
            shadowColor: '#aaa',
            strokestyle: 'rgba(0,0,0,0)',
            gutterLeft: 55,
            gutterRight: 5,
            hmarginGrouped: 1,
            textAccessible: true
        }
    }).draw();
</script>