function Get_Cookie(name) {
   var start = document.cookie.indexOf(name+"=");
   var len = start+name.length+1;
   if ((!start) && (name != document.cookie.substring(0,name.length))) return null;
   if (start == -1) return null;
   var end = document.cookie.indexOf(";",len);
   if (end == -1) end = document.cookie.length;
   return unescape(document.cookie.substring(len,end));
}

function Set_Cookie(cookieName, cookieValue, nDays) {
	var today = new Date();
	var expire = new Date();
	if (nDays==null || nDays==0) nDays=1;
	expire.setTime(today.getTime() + 3600000*24*nDays);
	document.cookie = cookieName+"="+escape(cookieValue)
	             + ";expires="+expire.toGMTString();
}

var flag = self.setInterval("ocultarLista()",1000);

function ocultarLista()
{
	if(document.getElementById("edListaTable"))
	{
		window.clearInterval(flag);
		var listas = document.getElementById("edListaTable");
		var filas = listas.getElementsByTagName("tr");

		for(var i = 0, flen = filas.length; i < flen; i++)
		{
			if(filas[i].className != '')
			{
				filas[i].style.display = 'none';
			}
		}
	}
}

function verLetraEdicion(letra)
{
	if(document.getElementById("edListaTable"))
	{
		var listas = document.getElementById("edListaTable");
		var filas = listas.getElementsByTagName("tr");
		
		for(var i = 0, flen = filas.length; i < flen; i++)
		{
			if(filas[i].className == 'letra'+letra)
			{
				if(filas[i].style.display == 'none')
				{
					filas[i].style.display = 'inline';
				}
				else
				{
					filas[i].style.display = 'none';
				}
			}
		}
	}
}