Bunun yerine varsayılan simgesini kullanarak google maps şeffaf png eklemek istiyorum. Benim örnek kodda ben bir png adlı transparent.png için varsayılan simgeyi değiştirmek istiyorsunuz nerede?

Teşekkürler!

 function onLoad() {
      map = new GMap(document.getElementById("div_map"));
      map.addControl(new GSmallMapControl());
      map.addControl(new GMapTypeControl());
      map.setCenter(new GLatLng(54, -3), 5);

      getMarkers();

      GEvent.addListener(map, "click", function(overlay, point) {
	      if (overlay){	// marker clicked
		      overlay.openInfoWindowHtml(overlay.infowindow);	// open InfoWindow
	      } else if (point) {	// background clicked

	      }
      });
    }

	function getMarkers(){
	    var urlstr="read.php";
	    var request = GXmlHttp.create();
	    request.open('GET', urlstr , true);	// request XML from PHP with AJAX call
	    request.onreadystatechange = function () {
			if (request.readyState == 4) {
				var xmlDoc = request.responseXML;
				locations = xmlDoc.documentElement.getElementsByTagName("location");
				markers = [];
				if (locations.length){
					for (var i = 0; i < locations.length; i++) { // cycle thru locations
						markers[i] = new GMarker(new GLatLng(locations[i].getAttribute("lat"),locations[i].getAttribute("lng")));
						// Add attributes to the marker so we can poll them later.
						// When clicked, an overlay will have these properties.
						markers[i].infowindow = "This is "+locations[i].getAttribute("name");

						// Useful things to store on a marker (Not needed for this example, could be removed)
						// Tells you what index in the markers[] array an overlay is
						markers[i].markerindex = i;
						// Store the location_id of the location the marker represents.
						// Very useful to know the true id of a marker, you could then make
						// AJAX calls to the database to update the information if you had it's location_id
						markers[i].db_id = locations[i].getAttribute("location_id");

						map.addOverlay(markers[i]);

					}
				}
			}
		}
		request.send(null);
    }