function createMarker(point, type, address) {
  var marker;
  var typestr;
  var markerOpts = { icon: icon, title: address};

  marker = new GMarker(point, markerOpts);
  typestr = "GoogleWiFi Node: ";

  var opt = { maxWidth: 20 };

  GEvent.addListener(marker, "click", function() {
                       marker.openInfoWindowHtml(
                           "<font size='-1'> " + typestr + address + "</font>", 
                           opt);
                     });
  return marker;
}