var retardo_pestanya;
var oculta_pestanya;

function xShow(e) {
  if(!(e=xGetElementById(e))) return;
  if(e.style && xDef(e.style.visibility)) e.style.visibility='visible';
}
function xHide(e) {
  if(!(e=xGetElementById(e))) return;
  if(e.style && xDef(e.style.visibility)) e.style.visibility='hidden';
}

	function showPestanya(pestanya) {		
		var capa = document.getElementById(pestanya);
		if (capa != undefined){
			clearTimeout(retardo_pestanya);
			if (pestanya != oculta_pestanya) {
				hidePestanya(oculta_pestanya);
			}					
			capa.style.visibility = "visible";
		}
	}
	
	function hidePestanyaDelay(pestanya) {
		oculta_pestanya=pestanya;
		retardo_pestanya = setTimeout("hidePestanya('"+pestanya+"')",1000);
	}	
	
	function hidePestanya(pestanya) {
		var capa = document.getElementById(pestanya);
		if (capa != undefined){
			capa.style.visibility = "hidden";
		}
	
	}