function LabeledMarker(latlng, opt_opts) {
  this.opts_ = opt_opts;

  this.labelText_ = opt_opts.labelText || "";
  this.labelClass_ = opt_opts.labelClass || "LabeledMarker_markerLabel";
  this.labelOffset_ = opt_opts.labelOffset || new GSize(0, 0);

  this.clickable_ = opt_opts.clickable || true;
  this.title_ = opt_opts.title || "";
  this.labelVisibility_ = true;
  this.ownVisibility_ = true;

  this.div_ = document.createElement("div");
  this.div_.className = this.labelClass_;
  this.div_.innerHTML = this.labelText_;
  this.div_.style.position = "absolute";
  this.div_.style.cursor = "pointer";
  this.div_.title = this.title_;

  if (opt_opts.draggable) {
    opt_opts.draggable = false;
  }

  GMarker.apply(this, arguments);
}

LabeledMarker.prototype = new GMarker(new GLatLng(0, 0));

LabeledMarker.prototype.initialize = function (map) {
  GMarker.prototype.initialize.apply(this, arguments);

  this.map_ = map;

  if (!this.ownVisibility_) {
    this.hide();
  }
  this.applyLabelVisibility_();
  map.getPane(G_MAP_MARKER_PANE).appendChild(this.div_);

  if (this.clickable_) {
    var eventPassthrus = ['click', 'dblclick', 'mousedown', 'mouseup',
                          'mouseover', 'mouseout'];
    for (var i = 0; i < eventPassthrus.length; i++) {
      var name = eventPassthrus[i];
      GEvent.addDomListener(this.div_, name,
                            GEvent.callback(GEvent, GEvent.trigger,
                                            this, name, this.getLatLng()));
    }
  }
};

LabeledMarker.prototype.redraw = function (force) {
  GMarker.prototype.redraw.apply(this, arguments);
  this.redrawLabel_();
};

LabeledMarker.prototype.redrawLabel_ = function () {
  var p = this.map_.fromLatLngToDivPixel(this.getLatLng());
  var z = GOverlay.getZIndex(this.getLatLng().lat());
  this.div_.style.left = (p.x + this.labelOffset_.width) + "px";
  this.div_.style.top = (p.y + this.labelOffset_.height) + "px";
  this.div_.style.zIndex = z; // in front of the marker
};

LabeledMarker.prototype.remove = function () {
  GEvent.clearInstanceListeners(this.div_);
  if (this.div_.outerHTML) {
    this.div_.outerHTML = "";
  }
  if (this.div_.parentNode) {
    this.div_.parentNode.removeChild(this.div_);
  }
  this.div_ = null;
  GMarker.prototype.remove.apply(this, arguments);
};

LabeledMarker.prototype.copy = function () {
  var newMarker = new LabeledMarker(this.getLatLng(), this.opts_);
  newMarker.labelVisibility_ = this.labelVisibility_;
  newMarker.ownVisibility_ = this.ownVisibility_;
  return newMarker;
};

LabeledMarker.prototype.show = function () {
  GMarker.prototype.show.apply(this, arguments);
  this.ownVisibility_ = true;
  this.applyLabelVisibility_();
};

LabeledMarker.prototype.hide = function () {
  GMarker.prototype.hide.apply(this, arguments);
  this.ownVisibility_ = false;
  this.applyLabelVisibility_();
};

LabeledMarker.prototype.setLabelVisibility = function (visibility) {
  this.labelVisibility_ = visibility;
  this.applyLabelVisibility_();
};

LabeledMarker.prototype.getLabelVisibility = function () {
  return this.labelVisibility_;
};

LabeledMarker.prototype.applyLabelVisibility_ = function () {
  if ((!this.isHidden()) && this.labelVisibility_) {
    this.div_.style.display = 'block';
  } else {
    this.div_.style.display = 'none';
  }
};

LabeledMarker.prototype.setLabelText = function (text) {
  this.labelText_ = text;
  this.div_.innerHTML = text;
  this.opts_.labelText = text;
};