A customised Gauge chart

This goes in the documents header:

<script src="RGraph.common.core.js"></script>
<script src="RGraph.gauge.js"></script>

Put this where you want the chart to show up:

<canvas id="cvs" width="300" height="300">
    [No canvas support]
</canvas>

This is the code that generates the chart:

<script>
    window.onload = function ()
    {
        var gauge = new RGraph.Gauge({
            id: 'cvs',
            min: 0,
            max: 200,
            value: [184,12],
            options: {
                titleTop: 'Air Speed',
                titleTopSize: '22',
                titleTopFont: 'Impact',
                titleTopColor: 'white',
                titleBottom: 'Knots',
                titleBottomSize: 'Italic 14',
                titleBottomFont: 'Impact',
                titleBottomColor: '#ccc',
                titleBottomPos: 0.4,
                backgroundColor: 'black',
                backgroundGradient: true,
                centerpinColor: '#666',
                needleSize: [null, 50],
                needleColors: ['Gradient(transparent:white:white:white:white:white)', 'Gradient(transparent:#d66:#d66:#d66:#d66)'],
                textColor: 'white',
                tickmarksBigColor: 'white',
                tickmarksMediumColor: 'white',
                tickmarksSmallColor: 'white',
                borderOuter: '#666',
                borderInner: '#333',
                colorsRanges: [[160,200,'rgba(255,0,0,1)'], [120,160,'rgba(255,255,0,0.95']],
                textAccessible: true
            }
        }).draw();
    };
</script>

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