var map;

function initmap() {
  if (GBrowserIsCompatible()) {
    map = new GMap(document.getElementById("smap"));
    map.setCenter(new GLatLng( 52.50343543454126, 13.46798300743103), 13);
    var marker = new GMarker(new GPoint(13.46798300743103,52.50343543454126));
    map.addOverlay(marker);
  }
}