function initialize() {
    
    var myLatlng = new google.maps.LatLng(53.0204520,-1.0195410, 16);
    var myOptions = {
      zoom: 11,
      center: myLatlng,
      mapTypeControl: 0,
      mapTypeId: google.maps.MapTypeId.ROADMAP
    }
    var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);

    //lowdham marker
    var hmpLatlng = new google.maps.LatLng(53.014919,-1.039678,16);
    var image = new google.maps.MarkerImage(    '/images/map/red-pushpin.png',
                                                new google.maps.Size(32, 32),
                                                new google.maps.Point(0,0),
                                                new google.maps.Point(10, 32)
                                            );
    var shadow = new google.maps.MarkerImage(   '/images/map/pushpin_shadow.png',
                                                new google.maps.Size(59, 32),
                                                new google.maps.Point(0,0),
                                                new google.maps.Point(10, 32)
                                            );

    var infowindow = new google.maps.InfoWindow({ content: '<div class="marker"><h5>HMP Lowdham Grange</h5><p><strong>Address</strong><br />HMP Lowdham Grange,<br />Lowdham,<br />Nottinghamshire,<br />NG14 7DA</p><img src="/images/map/lowdham-icon.jpg" class="marker-icon" /></div>' });
    
    var marker = new google.maps.Marker({
        position: hmpLatlng,
        map: map,
        title:"HMP Lowdham Grange",
        icon: image,
        shadow: shadow
    });

    infowindow.open(map,marker);

    google.maps.event.addListener(marker, 'click', function() {
        infowindow.open(map,marker);
    });
}