var idMostrado=0;

function mostrarDiv(idCapaMostrar){
  if (idCapaMostrar!=idMostrado){
  if (idMostrado!=0){
	new Effect.Shrink(idMostrado,{duration:0.25});     
//	document.getElementById(idMostrado).style.display="none";
  }
   new Effect.Grow(idCapaMostrar,{duration:0.25});	

   idMostrado=idCapaMostrar;
}
   return false;
  
}

function mostrarHijo(idHijo){
  var ul=document.getElementById(idHijo);
  ul.style.display=ul.style.display=="none"?"":"none";
  return false;
}

function abrirBanner(url){
var vheight=370;
var vwidth=500;
var top=(screen.height-vheight)/2;
var left=(screen.width-vwidth)/2;
 var banner=open(url,"solfin_banner","directories=no,height="+vheight+",location=no,menubar=no,resizable=no,scrollbars=no,status=no,toolbar=no,width="+vwidth+",left="+left+",top="+top);

}