var map;
    var geocoder;
    var addressMarker;
    

////////nacteni mapy
    function load() {
      if (GBrowserIsCompatible()) {
        geocoder = new GClientGeocoder();
        map = new GMap2(document.getElementById('mapa'));
        map.addControl(new GScaleControl());
		    map.addControl(new GLargeMapControl());
        map.addControl(new GMapTypeControl());
        map.enableScrollWheelZoom();
        
        map.setCenter(new GLatLng(49.595962420737365,17.260165214538574), 17);
        showAddress ("Biskupské náměstí 2, Olomouc");
        
      }
    }
    
    
////////
function showAddress(address) {
  geocoder.getLatLng(
    address,
    function(point) {
      if (!point) {
        alert(address + " nenalezeno");
      } else {
        map.setCenter(point, 17);
        var marker = new GMarker(point);
        map.addOverlay(marker);
        marker.openInfoWindowHtml(address);
      }
    }
  );
}