function initialize() {
  if (GBrowserIsCompatible()) {
	var map = new GMap2(document.getElementById("map_canvas"));
	map.setCenter(new GLatLng(48.2543374,17.2119074), 9);
	map.setUIToDefault();
	
	map.disableScrollWheelZoom(); 
	
	var message = ["Black River Golf Park","White Eurovalley Golf Park"];

	// Create a base icon for all of our markers that specifies the
	// shadow, icon dimensions, etc.
	var baseIcon = new GIcon(G_DEFAULT_ICON);
	baseIcon.shadow = "http://www.google.com/mapfiles/shadow50.png";
	baseIcon.iconSize = new GSize(20, 34);
	baseIcon.shadowSize = new GSize(37, 34);
	baseIcon.iconAnchor = new GPoint(9, 34);
	baseIcon.infoWindowAnchor = new GPoint(9, 2);

	function createMarker(latlng, number) {
	  var marker = new GMarker(latlng);
	  marker.value = number;
	  GEvent.addListener(marker,"click", function() {
		var myHtml = "<b>" + message[number] + "</b>";
		map.openInfoWindowHtml(latlng, myHtml);
	  });
	  return marker;
	}
	
	var latlng = new GLatLng(48.200685, 17.283297);
	map.addOverlay(createMarker(latlng, 0));
	
	var latlng = new GLatLng(48.4368798,17.0178507);
	map.addOverlay(createMarker(latlng, 1));
  }
}