html, body, #container {

    width: 100%;

    height: 95%;

    margin: 0;

    padding: 0;

}

var total;

anychart.onDocumentReady(function () {

  var data = anychart.data.set(rawData);

  var chart = anychart.waterfall(data.mapAs({x: 0, value: 1}));

​

  total = chart.addTotal({

    x: 'May',

    name: 'Subtotal'

  });

​

  chart.container('container').draw();

});

​

function changeTotalName() {

  total.name('MAY TOTAL');

}

​

var rawData = [

  ["Jan", 22],

  ["Feb", 14],

  ["Mar", -6],

  ["Apr", 37],

  ["May", -40],

  ["Jun", 55],

  ["Jul", 22],

  ["Aug", 23],

  ["Sep", 42],

  ["Oct", 67],

  ["Nov", 61],

  ["Dec", 51],

];