HighCharts图的click事件

<script src="http://code.highcharts.com/highcharts.js"></script>

<div id="container" style="height: 400px"></div>

 $(function () {
    var chart = new Highcharts.Chart({
        chart: {
            renderTo: 'container'
        },
        xAxis: {
            categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
        },
        
        plotOptions: {
            series: {
                cursor: 'pointer',
                events: {
                    click: function(event) {
                        alert(this.name +' clicked\n'+
                              'Alt: '+ event.altKey +'\n'+
                              'Control: '+ event.ctrlKey +'\n'+
                              'Shift: '+ event.shiftKey +'\n');
                        location.href='http://www.baidu.com';
                    }
                }
            }
        },
        
        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]        
        }]
    });
});