var showMap = function () {
	var existe = document.getElementById("mapContainer");
	if (existe == null) {
    var cont= document.getElementById("gContainer"); 
	  var mapContainer = document.createElement("DIV");
	  mapContainer.id = "mapContainer";
	  var close = document.createElement("A");
	  var txt = document.createTextNode("Cerrar");
	  close.href = "javascript:;";
	  close.id = "closeMap";
	  close.appendChild(txt);
	  close.onclick = function () {Element.remove(mapContainer);}
		var dMap = document.createElement("DIV");
	  dMap.id = "map";
		mapContainer.appendChild(close);
	  mapContainer.appendChild(dMap);
	  cont.appendChild(mapContainer);
		var lat = document.geotag.lat.value;
	  var lng = document.geotag.lng.value;
	  var zoom = document.geotag.zoom.value;
	  var map = new GMap2(dMap);
	  map.addControl(new GLargeMapControl());
	  map.addControl(new GMapTypeControl());
	  map.addControl(new GScaleControl());
	  map.addControl(new GOverviewMapControl());
	  map.enableScrollWheelZoom();
	  map.setCenter(new GLatLng(lat, lng), 10);
	  var point = new GLatLng(lat, lng);
	  map.addOverlay(new GMarker(point));
  } 	
	return false;
}