anychart.onDocumentReady(function () {
var chart = anychart.pie([
{x: 'Cycling', value: 10},
{x: 'Swimming', value: 12},
{x: 'Hiking', value: 11},
{x: 'Alpinism', value: 9}
var state = chart.normal();
state.fill(['#FEFEFE', '#9E9E9E'], 0.5, 0.5, null, 0.8, 0.5, 0.5);
chart.title('Set state fill as a radial gradient');
chart.container('container');