html, body {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

label {

    display: inline-block;

    margin: 10px 0 0 10px;

}

#container {

    position: absolute;

    width: 100%;

    top: 35px;

    bottom: 0;

}

anychart.onDocumentReady(function () {

​

    // create data

    var data = [

      {name:     "Slavic Languages", children: [

        {name:   "East Slavic", children: [

          {name: "Russian",        value: 150000000},

          {name: "Ukrainian",      value:  45000000},

          {name: "Belarusian",     value:   3200000}

        ]},

        {name:   "West Slavic", children: [

          {name: "Polish",         value:  55000000},

          {name: "Czech",          value:  10600000},

          {name: "Slovak",         value:   5200000}

        ]},

        {name:   "South Slavic", children: [

          {name: "Serbo-Croatian", value:  21000000},

          {name: "Bulgarian",      value:   9000000},

          {name: "Slovene",        value:   2500000},

          {name: "Macedonian",     value:   1400000}

        ]}  

      ]} 

    ];

​

    // create a chart and set the data

    chart = anychart.treeMap(data, "as-tree");

​

    // set the maximum depth of levels shown

    chart.maxDepth(3);

​

    // configure the font of headers

    chart.headers().fontSize("30");

​

    // set the display mode of headers

    chart.headersDisplayMode("drop");

​

    // set the chart title

    chart.title().useHtml(true);

    chart.listen("chartDraw", function () {

      chart.title("Treemap: Headers (Display Mode = " +

                  chart.headersDisplayMode() + ")<br><br>" + 

                  "<span style='font-size:12; font-style:italic'>" +

                  "Slavic Languages by Number of Speakers</span>");

    });

​

    // set the container id

    chart.container("container");

​

    // initiate drawing the chart

    chart.draw();

});

// set the display mode of headers

function displayMode(mode) {

  chart.headersDisplayMode(mode);

}