//función para mostrar/ocultar una capa
function showHideVis(pID, pBol)   {
  var obj = document.getElementById(pID);
  var vis  = (pBol) ? "visible" : "hidden";
  obj.style.visibility = vis;
}

function showHide(pID, pBol, pMarco)   {
 if(pMarco != null)
    var obj = top.frames[pMarco].document.getElementById(pID)
  else
    var obj = document.getElementById(pID);
  /* if(pBol == null)  {
    var vis = (obj.currentStyle.getAttribute('display') != "block") ? "block" : "none";
  } else  {*/
   var vis  = (pBol) ? "block" : "none";
 //}
  obj.style.display = vis;
}
var ventana = "";
function abrirVentana(pUrl) {
  if(ventana != "") ventana.focus()
  ventana = window.open(pUrl,"ventanaUrls","");
  
}

function alCargar() {
  if(parent.frames[0]== null)
    window.location = "index.html"
}