function initialize() {
    var myLatlng = new google.maps.LatLng(53.644623,-1.78238); //change these coordinates to personalise map
    var myOptions = {
      zoom: 15, //14 gives a reasonable street level in road map view 
      center: myLatlng,
      mapTypeId: google.maps.MapTypeId.ROADMAP
    }
        var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);

    var contentString = '<div id="marker-content">'+		
        '<p><strong>Huddersfield Dental Implants &amp; Cosmetics</strong></p>'+
        '<address>Albert Yard<br />'+
        'Huddersfield<br />'+
        'West Yorkshire<br />'+
        'HD1 2BN</address>'+
        '</div>';
        
    var infowindow = new google.maps.InfoWindow({
        content: contentString
    });

    var marker = new google.maps.Marker({
        position: myLatlng,
        map: map,
        title: 'Linda Heald &amp; Co.'
    });

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