anychart.onDocumentReady(function () {
var chart = anychart.gauges.circular([20, 10]);
chart.knob(0, {fill: "#FF8A65"});
chart.knob(1, {fill: "#4DB6AC", topRadius: 40, bottomRadius: 30});
chart.title("Set knob pointer settings as an object by indexes");
chart.container("container");