function initialize() {
    var myLatlng = new google.maps.LatLng(52.16353250,4.48834550);
    var myOptions = {
        zoom: 14,
        center: myLatlng,
        mapTypeControl: false,
        mapTypeId: google.maps.MapTypeId.ROADMAP
    }
    var image = '/assets/images/marker_xl.png';
    var map = new google.maps.Map(document.getElementById("canvas"), myOptions);

    var marker = new google.maps.Marker({
        position: myLatlng, 
        map: map,
        icon: image,
        title:"Emile van Leenen piano's & vleugels"
    });   
}
google.maps.event.addDomListener(window, 'load', initialize);