Google Map Code link

http://code.google.com/apis/maps/documentation/overlays.html

   if (GBrowserIsCompatible()) {
         map = new GMap(document.getElementById("map"));
    map.setCenter(new GLatLng(33.5923607, -86.9924358), 13);
    var point = new GLatLng(33.5923607,-86.9924358);
    var marker=new GMarker(point);
    GEvent.addListener(marker, "click", function() {
    marker.openInfoWindowHtml(details);
    });

    map.addOverlay(marker);
  }