html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

var chart;

anychart.onDocumentReady(function () {

    chart = anychart.pie([

        {x: 'Cycling', value: 5},

        {x: 'Swimming', value: 2},

        {x: 'Run', value: 1},

        {x: 'Hiking', value: 3},

        {x: 'Alpinism', value: 1}

    ]);

​

    chart.title('Group and ungroup points');

    chart.container('container');

    chart.draw();

});

​

function disableGroup() {

    // Disable grouping function.

    chart.group(null);

}