window.onload = function() {
  if (GBrowserIsCompatible()) {
    var map = new GMap2(document.getElementById('map'));
    map.addControl(new GSmallZoomControl());
    //map.setCenter(new GLatLng(50.087811, 14.42046), 10);
    
    var geocoder = new GClientGeocoder();
    geocoder.getLatLng(
      gmap_address,
      function(point) {
        if (point) {
          map.setCenter(point, 16);
          var marker = new GMarker(point);
          map.addOverlay(marker);
        }
      }
    );
  }
}