function Visualizar(oItems,imagen)

{

	var objDiv = document.getElementById(oItems);

	var objImg = document.getElementById(imagen);

    if (objDiv.style.display == "none") {

		objDiv.style.display = "";

		objImg.src = "/spanish/msdn/latam/mediacenter/images/flecha_desplegable_arriba.gif";

	} else {

		objDiv.style.display = "none";

		objImg.src = "/spanish/msdn/latam/mediacenter/images/flecha_desplegable_abajo.gif";

	}

}