anychart.onDocumentReady(function () {
var chart = anychart.column();
var series = chart.column([18, 25, 10, 20, 35, 23, 14, 50]);
var myTooltip = series.tooltip();
myTooltip.background({fill: "#757575", stroke: "3 #6D4C41"});
chart.container("container");