anychart.onDocumentReady(function () {
var chart = anychart.area();
var series = chart.stepArea([
{x: "January", value: 125},
{x: "February", value: 132},
{x: "March", value: 141},
{x: "April", value: 158},
src: "https://static.anychart.com/images/underwater.jpg",
chart.title("Set fill as an image");
chart.container("container");