var locations = [
      ['Bogota', 4.711111, -74.072222],
            ['Port luis', -20.164444, 57.504167],
            ['Abuja', 9.066667, 7.483333],
            ['Talin', 59.437222, 24.745278],
            ['Ndjamena', 12.134722, 15.055833],
            ['Yerevan', 40.181389, 44.514444],
            ['Moscow', 55.755833, 37.617222],
            ['Kiev', 50.450000, 30.523333],
            ['Warsaw', 52.233333, 21.016667],
            ['Jakarta', -6.200000, 106.816667],
            ['Lima', -12.050000, -77.033333]
    ];

    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));
    }