<%
Option Explicit
Response.Buffer = true

dim referrer

if Request.Querystring("lang") = "es" then
	Session("LANG") = "es"
else
	Session("LANG") = "en"
end if

referrer = trim(Request.ServerVariables("HTTP_REFERER"))
if referrer = "" then
	response.redirect "/"
else
	response.redirect referrer
end if
%>