Highcharts.chart('container', {
    xAxis: {
        categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
    },

    plotOptions: {
        series: {
            events: {
                checkboxClick: function (event) {
                    var text = 'The checkbox is now ' + event.checked;
                    if (!this.chart.lbl) {
                        this.chart.lbl = this.chart.renderer.label(text, 100, 70)
                            .attr({
                                padding: 10,
                                r: 5,
                                fill: Highcharts.getOptions().colors[1],
                                zIndex: 5
                            })
                            .css({
                                color: '#FFFFFF'
                            })
                            .add();
                    } else {
                        this.chart.lbl.attr({
                            text: text
                        });
                    }
                }
            },
            showCheckbox: true
        }
    },

    series: [{
        data: [29.9, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4]
    }]
});