Making Drill-down Charts in jQuery

HTML

<script src="http://static.fusioncharts.com/code/latest/fusioncharts.js"></script>
<script src="http://static.fusioncharts.com/code/latest/fusioncharts.charts.js"></script>
<script src="http://static.fusioncharts.com/code/latest/fusioncharts.jqueryplugin.js"></script>
<script src="https://37ec0bd50491a7a1c59469c0fcb527cd3211d3e2.googledrive.com/host/0B0Oqi1QalkKRLVcyWWtVXzNod0E/toptal.js"></script>
<div id="drill-down-chart">FusionCharts will render here</div>
<link href='https://fonts.googleapis.com/css?family=Open+Sans:300' rel='stylesheet' type='text/css'>

JavaScript

$("#drill-down-chart").insertFusionCharts({
  type: 'column2d',
  width: '100%',
  id: "mychart",
  height: '450',
  dataFormat: 'json',
  dataSource: {
    "chart": {
      "caption": "Quarterly Revenue for 2015",
      "paletteColors": "#9EA5FC",
      "xAxisName": "Quarter (Click to drill down)",
      "yAxisName": "Revenue (In USD)",
      "numberPrefix": "$",
      "showValues": "0",
      "plotSpacePercent": "16",
      "yAxisMaxValue": "2390000",
      "plotToolText": "<div style='font-size: 16px; text-align: center;'>$label: $dataValue</div>",
      "theme": "toptal"
    },

    "data": [{
      "label": "Q1",
      "value": "850000",
      "link": "newchart-json-q1"
    }, {
      "label": "Q2",
      "value": "2070000",
      "link": "newchart-json-q2"
    }, {
      "label": "Q3",
      "value": "1330000",
      "link": "newchart-json-q3"
    }, {
      "label": "Q4",
      "value": "2290000",
      "link": "newchart-json-q4"
    }],

    "linkeddata": [{
      "id": "q1",
      "linkedchart": {
        "chart": {
          "caption": "Monthly Revenue",
          "subcaption": "First Quarter",
          "paletteColors": "#EEDA54, #A2A5FC, #41CBE3",
          "labelFontSize": "16",
          "valueFontSize": "14",
          "xAxisName": "Month",
          "yAxisName": "Revenue (In USD)",
          "plotToolText": "<div style='font-size: 16px; text-align: center;'>$label: $dataValue</div>",
          "theme": "toptal"
        },
        "data": [{
          "label": "Jan",
          "value": "255000"
        }, {
          "label": "Feb",
          "value": "467500"
        }, {
          "label": "Mar",
          "value": "127500"
        }]
      }
    }, {
      "id": "q2",
      "linkedchart": {
        "chart": {
          "caption": "Monthly Revenue",
          "subcaption": "Second Quarter",
          "paletteColors": "#EEDA54, #A2A5FC, #41CBE3",
          "labelFontSize": "16",
          "valueFontSize": "14",
          "xAxisName": "Month",
    ...