var infowindow;
  var map;

  function initialize() {
    var myLatlng = new google.maps.LatLng(56.948632416502065, 24.07931685447693);
    var myOptions = {
      zoom: 16,
      center: myLatlng,
      mapTypeId: google.maps.MapTypeId.ROADMAP
    }
    map = new google.maps.Map(document.getElementById("map"), myOptions);
    downloadUrl("/js/map/map_data.xml", function(data) {
      var markers = data.documentElement.getElementsByTagName("marker");
      var locations;
      for (var i = 0; i < markers.length; i++) {
        
        var latlng = new google.maps.LatLng(parseFloat(markers[i].getAttribute("lat")),
                                    parseFloat(markers[i].getAttribute("lng")));
        var marker = createMarker(markers[i].getAttribute("description"), latlng);
        
        //locations = [[markers[i].getAttribute("name"), parseFloat(markers[i].getAttribute("lat")), parseFloat(markers[i].getAttribute("lng")),i]];
        //setMarkers(map, locations,markers[i].getAttribute("description"));
       }
     });
  }



  function createMarker(name, latlng) {
    var marker = new google.maps.Marker({position: latlng, map: map});
    google.maps.event.addListener(marker, "click", function() {
      if (infowindow) infowindow.close();
      infowindow = new google.maps.InfoWindow({content: name});
      infowindow.open(map, marker);
    });
    return marker;
  }


function setMarkers(map, locations,description) {
  // Add markers to the map

  // Marker sizes are expressed as a Size of X,Y
  // where the origin of the image (0,0) is located
  // in the top left of the image.

  // Origins, anchor positions and coordinates of the marker
  // increase in the X direction to the right and in
  // the Y direction down.
  //var image = new google.maps.MarkerImage('/img/map/beachflag.png',
  var image = new google.maps.MarkerImage('/img/map/laas_icon.png',
      // This marker is 20 pixels wide by 32 pixels tall.
      new google.maps.Size(64, 64),
      // The origin for this image is 0,0.
      new google.maps.Point(0,0),
      // The anchor for this image is the base of the flagpole at 0,32.
      new google.maps.Point(32, 32));
  var shadow = new google.maps.MarkerImage('/img/map/shadow-laas_icon.png',
      // The shadow image is larger in the horizontal dimension
      // while the position and offset are the same as for the main image.
      new google.maps.Size(97, 64),
      new google.maps.Point(0,0),
      new google.maps.Point(0, 32));
      // Shapes define the clickable region of the icon.
      // The type defines an HTML &lt;area&gt; element 'poly' which
      // traces out a polygon as a series of X,Y points. The final
      // coordinate closes the poly by connecting to the first
      // coordinate.
  var shape = {
      //coord: [1, 1, 1, 20, 18, 20, 18 , 1],
      coord: [1, 1, 1, 60, 64, 60, 64 , 1],
      type: 'poly'
  };
  for (var i = 0; i < locations.length; i++) {
    var beach = locations[i];
    var myLatLng = new google.maps.LatLng(beach[1], beach[2]);
    var marker = new google.maps.Marker({
        position: myLatLng,
        map: map,
        //shadow: shadow,
        icon: image,
        shape: shape,
        title: beach[0],
        zIndex: beach[3]
    });
    google.maps.event.addListener(marker, "click", function() {
      if (infowindow) infowindow.close();
      infowindow = new google.maps.InfoWindow({content: description});
      infowindow.open(map, marker);
    });
  }
}