html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.gauges.circular([{value: 10}]);

    chart.marker({radius: 90});

​

    var axis1 = chart.axis();

​

    var scale1 = axis1.scale();

    scale1.minimum(0);

    scale1.maximum(20);

​

    var axis2 = chart.axis(1);

    axis2.radius(70);

​

    var scale2 = axis2.scale();

    scale2.minimum(0);

    scale2.maximum(20);

​

    var rangeSettings = chart.range();

    rangeSettings.from(5);

    rangeSettings.to(16);

​

    // Set axis index.

    rangeSettings.axisIndex(1);

​

    chart.title('Set axis index');

    chart.container('container');

    chart.draw();

});