<!DOCTYPE html>

<html> 

<head> 

  <meta http-equiv="content-type" content="text/html; charset=UTF-8" /> 

  <title>Google Maps Multiple Markers</title> 

  <script src="http://maps.google.com/maps/api/js?sensor=false" 

          type="text/javascript"></script>

</head> 

<body>

  <div id="map" style="width: 500px; height: 400px;"></div>


  <script type="text/javascript">

    var locations = [

      ['Bondi Beach', -33.890542, 151.274856, 4],

      ['Coogee Beach', -33.923036, 151.259052, 5],

      ['Cronulla Beach', -34.028249, 151.157507, 3],

      ['Manly Beach', -33.80010128657071, 151.28747820854187, 2],

      ['Maroubra Beach', -33.950198, 151.259302, 1]

    ];


    var map = new google.maps.Map(document.getElementById('map'), {

      zoom: 10,

      center: new google.maps.LatLng(-33.92, 151.25),

      mapTypeId: google.maps.MapTypeId.ROADMAP

    });


    var infowindow = new google.maps.InfoWindow();


    var marker, i;


    for (i = 0; i < locations.length; i++) {  

      marker = new google.maps.Marker({

        position: new google.maps.LatLng(locations[i][1], locations[i][2]),

        map: map

      });


      google.maps.event.addListener(marker, 'click', (function(marker, i) {

        return function() {

          infowindow.setContent(locations[i][0]);

          infowindow.open(map, marker);

        }

      })(marker, i));

    }

  </script>

</body>

</html>