ElementStacks

HTML

<script src="http://highcharts.com/js/testing.js"></script>
<div id="container" style="height: 400px"></div>

JavaScript

var chart = new Highcharts.Chart({
    chart: {
        renderTo: 'container',
        type: 'pie'
    },

    series: [{
        data: [29.9, 71.5, 106.4, 129.2],
        showInLegend: true
    }, {
        data: [144.0, 176.0, 135.6, 148.5],
        innerSize: '60%',
        showInLegend: false
    }]
});