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<html>
<head>
<meta charset=utf-8>
<title></title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<div class="map"></div>
<script src="https://underscorejs.org/underscore-min.js"></script>
<script src="https://code.jquery.com/jquery-1.8.3.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.9.2/jquery-ui.min.js"></script>
<script src="https://maps.googleapis.com/maps/api/js?key=aizasyazwrtym6ur1shidwsvukj6orjkpzdbwa4&sensor=true&libraries=geometry"></script>
<script src="https://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerclusterer/src/markerclusterer.js"></script>
<script src="index.js"></script>
</body>
</html>
Modified http://underscorejs.org/underscore-min.js to a secure url
Modified http://code.jquery.com/jquery-1.8.3.min.js to a secure url
Updated missing url https://maps.googleapis.com/maps/api/js?key=AIzaSyAzwrTYM6uR1shidwSvUkJ6ORjKPzdBWA4&sensor=true&libraries=geometry to https://maps.googleapis.com/maps/api/js?key=aizasyazwrtym6ur1shidwsvukj6orjkpzdbwa4&sensor=true&libraries=geometry
Modified http://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerclusterer/src/markerclusterer.js to a secure url
https://underscorejs.org/underscore-min.js
https://code.jquery.com/jquery-1.8.3.min.js
https://ajax.googleapis.com/ajax/libs/jqueryui/1.9.2/jquery-ui.min.js
https://maps.googleapis.com/maps/api/js?key=AIzaSyAzwrTYM6uR1shidwSvUkJ6ORjKPzdBWA4&sensor=true&libraries=geometry
https://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerclusterer/src/markerclusterer.js