amChart bar with click and renderer

HTML

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

JavaScript

var chart;

var chartData = [{
    "year": 2005,
        "income": 1000000
}, {
    "year": 2006,
        "income": 1585000
}, {
    "year": 2007,
        "income": 1226000
}, {
    "year": 2008,
        "income": 1110000
}, {
    "year": 2009,
        "income": 1293000
}];


AmCharts.ready(function () {
    // SERIAL CHART
    chart = new AmCharts.AmSerialChart();
    chart.dataProvider = chartData;
    chart.categoryField = "year";
    // this single line makes the chart a bar chart, 
    // try to set it to false - your bars will turn to columns                
    chart.rotate = false;
    // the following two lines makes chart 3D
    chart.depth3D = 20;
    chart.angle = 30;

    // AXES
    // Category
    var categoryAxis = chart.categoryAxis;
    categoryAxis.gridPosition = "start";
    categoryAxis.axisColor = "#DADADA";
    categoryAxis.fillAlpha = 1;
    categoryAxis.gridAlpha = 0;
    categoryAxis.fillColor = "#FAFAFA";

    // value
    var valueAxis = new AmCharts.ValueAxis();
    valueAxis.axisColor = "#DADADA";
    valueAxis.title = "Income in USD";
    valueAxis.gridAlpha = 0.1;
    chart.addValueAxis(valueAxis);

    // GRAPH
    var graph = new AmCharts.AmGraph();
    graph.title = "Income";
    graph.valueField = "income";
    graph.type = "column";
    graph.balloonText = "Income ($[[value]]m)";
    graph.lineAlpha = 0;
    graph.fillColors = "#bf1c25";
    graph.fillAlphas = 1;
    chart.addGraph(graph);
    
    graph.balloonFunction = function( dataItem ) {
        return "$" + ( dataItem.dataContext.income / 1000000 ).toString() + "m";
    }
    
    chart.addListener("clickGraphItem", function( event ) {
        console.log( "Clicked on column: " + event.index );
        alert( "Clicked on column: " + event.index );    
    });

    // WRITE
    chart.write("chartdiv");
});