function initialize() {
    var latlng = new google.maps.LatLng(51.03332752072576, 4.050465524196625);
    var myOptions = {
      navigationControl: true,
      mapTypeControl: true,
      scaleControl: true,
      zoom: 13,
      center: new google.maps.LatLng(51.04582752072576, 4.055465524196625),
      mapTypeId: google.maps.MapTypeId.ROADMAP
    };

    var map = new google.maps.Map(document.getElementById("gmap"), myOptions);

    var marker = new google.maps.Marker({
      position: latlng, 
      map: map, 
      title:"1Ago"
    });
    var infowindow = new google.maps.InfoWindow({
      content: "1Ago<br />Rijckelstraat 23<br />B-9200 Dendermonde (Appels)<br />Belgium<br /><br />Tel.: + 32 (0) 475 81 79 75"
    });
    infowindow.open(map,marker);
}