function cambiaImagen(imagen){
	document.getElementById("imagen").src = "img/top/"+imagen;
}

function cerrarLightBox(){
	document.getElementById('container_lightbox').style.display = 'none'; 
	document.getElementById('boton_cerrar_lightbox').style.display = 'none'; 
	document.getElementById('iframe_lightbox').style.display = 'none'; 
}