//<![LDATA[
function LabeledMarker(latlng, opt_opts){
  this.latlng_ = latlng;
  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;
   
  if (opt_opts.draggable) {
  	// This version of LabeledMarker doesn't support dragging.
  	opt_opts.draggable = false;
  }
  
  GMarker.apply(this, arguments);
};


// It's a limitation of JavaScript inheritance that we can't conveniently
// inherit from GMarker without having to run its constructor. In order for 
// the constructor to run, it requires some dummy GLatLng.
LabeledMarker.prototype = new GMarker(new GLatLng(0, 0));

/**
 * Is called by GMap2's addOverlay method. Creates the text div and adds it
 * to the relevant parent div.
 *
 * @param {GMap2} map the map that has had this labeledmarker added to it.
 */
LabeledMarker.prototype.initialize = function(map) {
  // Do the GMarker constructor first.
  GMarker.prototype.initialize.apply(this, arguments);
  
  this.map_ = map;
  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_;
  
  map.getPane(G_MAP_MARKER_PANE).appendChild(this.div_);

  if (this.clickable_) {
    /**
     * Creates a closure for passing events through to the source marker
     * This is located in here to avoid cluttering the global namespace.
     * The downside is that the local variables from initialize() continue
     * to occupy space on the stack.
     *
     * @param {Object} object to receive event trigger.
     * @param {GEventListener} event to be triggered.
     */
    function newEventPassthru(obj, event) {
      return function() { 
        GEvent.trigger(obj, event);
      };
    }
  
    // Pass through events fired on the text div to the marker.
    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, newEventPassthru(this, name));
    }
  }
};

/**
 * Call the redraw() handler in GMarker and our our redrawLabel() function.
 *
 * @param {Boolean} force will be true when pixel coordinates need to be recomputed.
 */
LabeledMarker.prototype.redraw = function(force) {
  GMarker.prototype.redraw.apply(this, arguments);
  this.redrawLabel_();  
};

/**
 * Moves the text div based on current projection and zoom level.
 */
LabeledMarker.prototype.redrawLabel_ = function() {
  // Calculate the DIV coordinates of two opposite corners of our bounds to
  // get the size and position of our rectangle
  var p = this.map_.fromLatLngToDivPixel(this.latlng_);
  var z = GOverlay.getZIndex(this.latlng_.lat());
  
  // Now position our div based on the div coordinates of our bounds
  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
};

/**
 * Remove the text div from the map pane, destroy event passthrus, and calls the
 * default remove() handler in GMarker.
 */
 LabeledMarker.prototype.remove = function() {
  GEvent.clearInstanceListeners(this.div_);
  if (this.div_.outerHTML) {
    this.div_.outerHTML = ""; //prevent pseudo-leak in IE
  }
  if (this.div_.parentNode) {
    this.div_.parentNode.removeChild(this.div_);
  }
  this.div_ = null;
  GMarker.prototype.remove.apply(this, arguments);
};

/**
 * Return a copy of this overlay, for the parent Map to duplicate itself in full. This
 * is part of the Overlay interface and is used, for example, to copy everything in the 
 * main view into the mini-map.
 */
LabeledMarker.prototype.copy = function() {
  return new LabeledMarker(this.latlng_, this.opts_);
};


/**
 * Shows the marker, and shows label if it wasn't hidden. Note that this function 
 * triggers the event GMarker.visibilitychanged in case the marker is currently hidden.
 */
LabeledMarker.prototype.show = function() {
  GMarker.prototype.show.apply(this, arguments);
  if (this.labelVisibility_) {
    this.showLabel();
  } else {
    this.hideLabel();
  }
};


/**
 * Hides the marker and label if it is currently visible. Note that this function 
 * triggers the event GMarker.visibilitychanged in case the marker is currently visible.
 */
LabeledMarker.prototype.hide = function() {
  GMarker.prototype.hide.apply(this, arguments);
  this.hideLabel();
};


/**
 * Repositions label and marker when setLatLng is called.
 */
LabeledMarker.prototype.setLatLng = function(latlng) {
  this.latlng_ = latlng;
  GMarker.prototype.setLatLng.apply(this, arguments);
  this.redrawLabel_();
};

/**
 * Sets the visibility of the label, which will be respected during show/hides.
 * If marker is visible when set, it will show or hide label appropriately.
 */
LabeledMarker.prototype.setLabelVisibility = function(visibility) {
  this.labelVisibility_ = visibility;
  if (!this.isHidden()) { // Marker showing, make visible change
    if (this.labelVisibility_) {
      this.showLabel();
    } else {
      this.hideLabel();
    }
  }
};


/**
 * Returns whether label visibility is set on.
 * @return {Boolean}  
 */
LabeledMarker.prototype.getLabelVisibility = function() {
  return this.labelVisibility_;
};


/**
 * Hides the label of the marker.
 */
LabeledMarker.prototype.hideLabel = function() {
  this.div_.style.visibility = 'hidden';
};


/**
 * Shows the label of the marker.
 */
LabeledMarker.prototype.showLabel = function() {
  this.div_.style.visibility = 'visible';
};
//]]>

//<![CDATA[
function initialize() {
      if (GBrowserIsCompatible()) { 
        var map = new GMap2(document.getElementById("dmx_map")); 
        map.addControl(new GLargeMapControl()); 
        map.setCenter(new GLatLng(25.665327,-100.383089), 15); 
        map.enableDoubleClickZoom();
		
		map.setMapType(G_HYBRID_MAP);
 
        var latlng = new GLatLng(25.665424,-100.383008); 
 
        var icon = new GIcon(); 
        icon.image = 'http://www.pantallasled.com.mx/images/dmx_gmaps.gif'; 
        icon.iconSize = new GSize(30, 34); 
        icon.iconAnchor = new GPoint(16, 16); 
        icon.infoWindowAnchor = new GPoint(25, 7); 
 
        opts = { 
          "icon": icon, 
          "clickable": true, 
          "title": "", 
          "labelText": "", 
          "labelOffset": new GSize(-6, -10) 
        }; 
        var marker = new LabeledMarker(latlng, opts); 
 
        GEvent.addListener(marker, "click", function() { 
          var html = '<div style="width: 210px; padding-right: 10px"><strong>DMX Tecnolog&iacute;as Showroom<\/strong><br \/><strong><em>Plaza San Pedro<\/em><\/strong><br \/>Humberto Lobo 520 Local N06<br \/>Colonia Del Valle<br \/>San Pedro Garza Garcia<br \/>66220 Nuevo Leon, Mexico<br \/>';
           marker.openInfoWindowHtml(html);
         });
 
        map.addOverlay(marker);
		GEvent.trigger(marker, "click");
      } 
    } 
//]]>

