V3: Error chart

HTML

<script src="http://www.amcharts.com/lib/3/amcharts.js"></script>
<script src="http://www.amcharts.com/lib/3/serial.js"></script>
<div id="chartdiv" style="width: 100%; height: 362px;"></div>

JavaScript

var chart;
var chartData = [{
    "year": 2005,
        "value": 11.5,
        "error": 5
}, {
    "year": 2006,
        "value": 26.2,
        "error": 5
}, {
    "year": 2007,
        "value": 30.1,
        "error": 5
}, {
    "year": 2008,
        "value": 29.5,
        "error": 7
}, {
    "year": 2009,
        "value": 24.6,
        "error": 10
}];


AmCharts.ready(function () {
    // SERIAL CHART  
    chart = new AmCharts.AmSerialChart();
    chart.dataProvider = chartData;
    chart.categoryField = "year";
    chart.startDuration = 1;
    chart.balloon.textAlign = "left";

    // AXES
    // category
    var categoryAxis = chart.categoryAxis;
    categoryAxis.gridPosition = "start";
    categoryAxis.dashLength = 3;
    categoryAxis.axisAlpha = 0;

    // value
    var valueAxis = new AmCharts.ValueAxis();
    valueAxis.axisAlpha = 0;
    valueAxis.dashLength = 3;
    chart.addValueAxis(valueAxis);

    // GRAPHS
    var graph1 = new AmCharts.AmGraph();
    graph1.valueField = "value";
    graph1.lineColor = "#ff339d";
    graph1.lineThickness = 2;
    graph1.bullet = "yError";
    graph1.errorField = "error";
    graph1.bulletSize = 10; // when bulletAxis is set, this property affects only width of error bar
    graph1.bulletAxis = valueAxis;
    graph1.balloonText = "value:<b>[[value]]</b><br>error:<b>[[error]]</b>";
    chart.addGraph(graph1);

    // one more graph added for circle bullets, as onew graph can show one bullet type only
    var graph2 = new AmCharts.AmGraph();
    graph2.valueField = "value";
    graph2.lineColor = "#ff339d";
    graph2.lineThickness = 2;
    graph2.lineAlpha = 0;
    graph2.bullet = "round";
    graph2.bulletBorderThickness = 2;
    graph2.bulletBorderColor = "#FFFFFF";
    graph2.bulletBorderAlpha = 1;
    graph2.showBalloon = false;
    chart.addGraph(graph2);

    // CURSOR
    var chartCursor = new AmCharts.ChartCursor();
    chartCursor.cursorAlpha = 0;
    chartCursor.zoomable = false;
   ...