var mapa;

function crearMarcador(latA, lngA)
{
  var icono = new google.maps.MarkerImage
              (
			    "iconos/genericov2.png",
                new google.maps.Size(46, 42),
                new google.maps.Point(0, 0),
                new google.maps.Point(20, 43)
			  );
  var sombra = new google.maps.MarkerImage
               (
			     "iconos/sombrav2.png",
                 new google.maps.Size(46, 42),
                 new google.maps.Point(0, 0),
                 new google.maps.Point(0, 32)
			   );

  var marcador = new google.maps.Marker
  (
    {
      position: new google.maps.LatLng(latA, lngA),
      map: mapa,
      shadow: sombra,
      icon: icono,
      title: name
    }
  );
  
  return marcador;
}
	
function initialize(lat, lng)
{
  var marcador;
  var latlng = new google.maps.LatLng(lat, lng);
  var misOpciones =
  {
    zoom: 17,
    center: latlng,
    mapTypeId: google.maps.MapTypeId.ROADMAP
  };
  
  mapa = new google.maps.Map(document.getElementById("mapa-anunciante"), misOpciones);
  
  marcador = crearMarcador
  (
	parseFloat(lat),
	parseFloat(lng)
  );
		
  marcador.setMap(mapa); // Mostramos el marcador
}

window.onload = function()
{
  initialize('40.9997212056228','-5.6951435306884735');
}