var map = null;
var geocoder = null;
function map_search(divId, address)
{
    if(!geocoder && GBrowserIsCompatible()) {
        var mapElement = document.getElementById(divId);
        map = new GMap2(mapElement);
        map.addControl(new GSmallMapControl());
        map.addControl(new GOverviewMapControl());
        map.addControl(new GMapTypeControl());
        map.setCenter(new GLatLng(15, 50), 13);
        geocoder = new GClientGeocoder();
        window.unload = GUnload;
    }

    if (geocoder) {
      geocoder.getLatLng(
        address,
        function(point) {
          if (!point) {
            alert(address + ": nenalezeno");
          } else {
            map.setCenter(point, 13);
            var marker = new GMarker(point);
            map.addOverlay(marker);
          }
        }
      );
    }
}