Highlighting a bar on an SVG Bar chart

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This goes in the documents header:
<script src="RGraph.svg.common.core.js"></script>
<script src="RGraph.svg.common.tooltips.js"></script>
<script src="RGraph.svg.bar.js"></script>
Put this where you want the chart to show up:
<div style="padding: 15px">
    <div style="width: 750px; height: 300px" id="chart-container"></div>
</div>
This is the code that generates the chart:
<script>
    bar = new RGraph.SVG.Bar({
        id: 'chart-container',
        data: [8,5,9,3,5,2,4],
        options: {
            gutterTop: 50,
            hmargin: 20,
            xaxisLabels: ['Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'],
            title: 'A highlighted Bar chart',
            titleSubtitle: 'A chart adding highlight to one of the bars',
            titleSubtitleItalic: true,                
            colors: ['red','pink'],
            shadowOpacity: 0.2,
            highlightStroke: 'black',
            highlightLinewidth: 3
        }
    }).draw();
    
    // Now highlight a bar on the chart
    rect = bar.coords[2].object;
    bar.highlight(rect);
</script>

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