html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.gauges.circular([20, 10]);

    chart.axis();

    chart.knob(0, {fill: "#FF8A65"});

    chart.knob(1, {fill: "#4DB6AC", topRadius: 40, bottomRadius: 30});

​

    // Disable knob pointer by index.

    chart.knob(1, false);

​

    chart.title("Disable knob pointer by index");

    chart.container("container");

    chart.draw();

});