animation: false
    },

    xAxis: {
        categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
    },
    plotOptions: {
        series: { animation: false }
    },

    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]
    }]

});

i = 1;
$('#update').click(function() {
    chart.series[0].data[0].update(i++ % 2 ? 200 : 0);
});

}

var alreadyrunflag = 0;

if (document.addEventListener)
    document.addE