Bubble Chart in JavaScript

HTML

<script src="https://37ec0bd50491a7a1c59469c0fcb527cd3211d3e2.googledrive.com/host/0B0Oqi1QalkKRLVcyWWtVXzNod0E/fusioncharts.js"></script>
<script src="https://37ec0bd50491a7a1c59469c0fcb527cd3211d3e2.googledrive.com/host/0B0Oqi1QalkKRLVcyWWtVXzNod0E/fusioncharts.charts.js"></script>
<link href='https://fonts.googleapis.com/css?family=Maven+Pro' rel='stylesheet' type='text/css'>
<div id="bubble-chart">A bubble chart will load here!</div>

JavaScript

FusionCharts.ready(function () {
    var firstChart = new FusionCharts({
        type: 'bubble',
        renderAt: 'bubble-chart',
        width: '100%',
        height: '475',
        dataFormat: 'json',
        dataSource: {
            "chart": {
                "caption": "Fertility Rate Vs Life Expectancy",
                "captionFontBold": "0",
                "captionFontSize": "23",
                "captionPadding": "30",
                "xAxisName": "Life Expectancy",
                "yAxisName": "Fertility Rate",
                "xAxisMinValue": "40",
                "xAxisMaxValue": "90",
                "yAxisMaxValue": "9",
                "bgColor": "#232D3B",
                "bgAlpha": "100",
                "canvasBgColor": "#232D3B",
                "canvasBorderAlpha": "0",
                "canvasBgAlpha": "0",
                "showAlternateHGridColor": "0",
                "showAlternateVGridColor": "0",
                "use3dlighting": "0",
                //Plot Cosmetics
                "plotFillAlpha": "70",
                "plotFillHoverColor": "#6baa01",
                "showPlotBorder": "0",
                "plotFillHoverColor": "#EE7A44",
                "numDivlines": "3",
                "divLineAlpha": "20",
                "vDivlineAlpha": "20",
                "showValues":"0",
                //Text Cosmetics
								"baseFont": "Maven Pro",
                "baseFontColor": "#B5B3BA",
                "outCnvBaseFontColor": "#B5B3BA",
                "outCnvBaseFontSize": "13",
                "baseFontSize": "13",
                "xAxisNameFontSize": "15",
                "xAxisNameFontBold": "0",
                "yAxisNameFontSize": "15",
                "yAxisNameFontBold": "0",
                "xAxisNamePadding": "9",
                "yAxisNamePadding": "9",
                "labelPadding": "10",
                //Tooltip Cosmetics
                "plotToolText": "<div style='font-size: 18px;'>$name:</div><div style='color:...