ancestors.php

<html>
    <head>
        <script type="text/javascript" src="https://www.google.com/jsapi"></script>
        <script type="text/javascript" src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
        <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css">
        <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/async/0.9.0/async.js"></script>
        <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.9.0/moment-with-locales.min.js"></script>
        <script type="text/javascript" src="ancestors.js"></script>
    </head>
    <body>
        <div id="chart_div"></div>
    </body>
</html>