Pie Charts re-used

HTML

<link rel="stylesheet" href="http://nvd3.org/assets/css/nv.d3.css">
<script src="http://nvd3.org/assets/lib/d3.v3.js"></script>
<script src="http://nvd3.org/assets/js/nv.d3.js"></script>
<div id='chart1'>
     <h3>My Chart 1</h3>

    <svg></svg>
</div>
<div id='chart2'>
     <h3>My Chart 2</h3>

    <svg></svg>
</div>
<div id='chart3'>
     <h3>My Chart 3</h3>

    <svg></svg>
</div>

CSS

#chart1, #chart2, #chart3 {
    width : 400px;
    float: left;
}

JavaScript

// Call my charts
drawChart('chart1');
drawChart('chart2');
drawChart1('chart3');

//Donut chart example
function drawChart(div) {
    var width = height = 400;

    nv.addGraph(function () {
        var chart = nv.models.pieChart()
            .x(function (d) {
            return d.label
        })
            .y(function (d) {
            return d.value
        })
            .width(width)
            .height(height)
            .showLabels(true)
            .labelThreshold(.05)
            .labelType("percent")
            .donut(true)
            .donutRatio(0.35);

        d3.select("#" + div + " svg")
            .datum(exampleData())
            .attr('width', width).attr('height', height)
            .transition().duration(350)
            .call(chart);

        return chart;
    });
}

//Pie chart example data. Note how there is only a single array of key-value pairs.
function exampleData() {
    return [{
        "label": "One",
            "value": 29.765957771107
    }, {
        "label": "Two",
            "value": 0
    }, {
        "label": "Three",
            "value": 32.807804682612
    }, {
        "label": "Four",
            "value": 196.45946739256
    }, {
        "label": "Five",
            "value": 0.19434030906893
    }, {
        "label": "Six",
            "value": 98.079782601442
    }, {
        "label": "Seven",
            "value": 13.925743130903
    }, {
        "label": "Eight",
            "value": 5.1387322875705
    }];
}
function drawChart1(div) {
    var width = height = 400;

    nv.addGraph(function () {
        var chart = nv.models.linechart()
            .x(function (d) {
            return d.label
        })
            .y(function (d) {
            return d.value
        })
            .width(width)
            .height(height)
            .showLabels(false)
            .labelThreshold(.05)
            .labelType("percent");

        d3.select("#" + div + " svg")
            .datum(exampleData1())
           ...