Donut progress bars

HTML

<script src="http://www.amcharts.com/lib/3/amcharts.js" type="text/javascript"></script>
<script src="http://www.amcharts.com/lib/3/pie.js" type="text/javascript"></script>
<div id="pie1" style="width: 200px; height: 200px; float:left;"></div>
<div id="pie2" style="width: 200px; height: 200px; float:left;"></div>
<div id="pie3" style="width: 200px; height: 200px; float:left;"></div>

JavaScript

var lineChart;
var lineChartData = [];

AmCharts.ready(function () {
    makePieChart('pie1', 5, '#ff0000');
    makePieChart('pie2', 20, '#0000ff');
    makePieChart('pie3', 80, '#00ff00');
});

function makePieChart( div, value, color ) {
    var pieChart = new AmCharts.AmPieChart();
    pieChart.addLabel("50%", "45%", "" + value + "%", "middle", 20);
    pieChart.dataProvider = [{
        "title": "Label",
            "value": ,
            "color": color
    }, {
            "value": 100 - value,
            "color": "#000000"
    }];
    pieChart.titleField = "title";
    pieChart.valueField = "value";
    pieChart.outlineColor = "#FFFFFF";
    pieChart.outlineAlpha = 0.8;
    pieChart.outlineThickness = 2;
    pieChart.colorField = "color";
    pieChart.radius = "42%";
    pieChart.innerRadius = "60%";
    pieChart.labelsEnabled = false;
    pieChart.balloonText = "[[percents]]%";

    // WRITE
    pieChart.write(div);
}