anychart.onDocumentReady(function () {
var chart = anychart.line();
var firstSeries = chart.line([7, 15, 3, 10]);
chart.line([9, 10, 1, 15]);
firstSeries.legendItem({disabled: true});
var firstItem = firstSeries.legendItem();
var disabled = firstItem.disabled();
chart.title("Disabled flag - " + disabled);
chart.container("container");