function load() {
  if (GBrowserIsCompatible()) {
    var map = new GMap2(document.getElementById("map"));
    map.addControl(new GSmallMapControl());
    map.addControl(new GMapTypeControl());
    map.addControl(new GOverviewMapControl());;
    map.setCenter(new GLatLng(52.355855, 5.19315), 13);
 
   // Create our "tiny" marker icon
   var icon = new GIcon();
   icon.image = "http://www.zendingovergrenzen.nl/images/MarkerZoGLogo.png";
   icon.shadow = "http://www.zendingovergrenzen.nl/images/MarkerZoGLogoShadow.png";
   icon.iconSize = new GSize(21, 30);
   icon.shadowSize = new GSize(33, 30);
   icon.iconAnchor = new GPoint(6, 20);
   icon.infoWindowAnchor = new GPoint(5, 1);
 
   // Inhoud van het info-venser
    var infoTabs = [
      new GInfoWindowTab("Bezoek", "Zending over Grenzen <br>Omroepweg 10 <br>1324 KV Almere"),
      new GInfoWindowTab("Post", "Zending over Grenzen <br>Postbus 1222 <br>1300 BE  Almere")
    ];
 
    // Punaise op de kaart zetten en automatisch info-venster openen
    var marker = new GMarker(map.getCenter(), icon);
    GEvent.addListener(marker, "click", function() {
      marker.openInfoWindowTabsHtml(infoTabs);
    });
    map.addOverlay(marker);
    marker.openInfoWindowTabsHtml(infoTabs);  
  }
}

window.onload = load;
window.onunload = GUnload;