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<html>
<meta charset="utf-8">
<head>
<style>
#map-canvas {
height:500px;
}
</style>
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css">
<script src="https://maps.googleapis.com/maps/api/js"></script>
<!--<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&libraries=visualization,drawing,places,weather,geometry"></script>-->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js"></script>
<!-- Latest compiled and minified JavaScript -->
<script src="markerclusterer.js"></script>
<script src="projects.js"></script>
<script src="slider.js"></script>
</head>
<body>
<div class="container">
<div class="col-md-12" id="map-canvas"></div>
</div>
</body>
</html>
Modified http://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&libraries=visualization,drawing,places,weather,geometry to a secure url
Modified http://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js to a secure url
https://maps.googleapis.com/maps/api/js
https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&libraries=visualization,drawing,places,weather,geometry
https://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js