This is a grouped Bar chart.
<script src="RGraph.common.core.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> bar = new RGraph.Bar({ id: 'cvs', data: [[1250,1450,750,450],[1300,1375,750,525],[1500,1480,650,600],[1450,1500,700,450]], options: { xaxisLabels: ['Jan 2008\r\nStart year','Jan 2009\r\nBest year','Jan 2010\r\nLast year','Jan 2011\r\nThis year!'], colors: ['#C7CFC7','#B2C8B2','#D9E0DE','#CDDED1'], hmargin: 15, hmarginGrouped: 3, marginLeft: 45, marginBottom: 45, backgroundGridVlines: false, backgroundGridBorder: false, textSize: 12, colorsStroke: 'rgba(0,0,0,0)', shadow: false } }).draw(); </script>