<!--
var referrer = getCookie("referrer");
var referrer_to_write = document.referrer;
var doc_location = location.href;

if (!referrer) {
  referrer_to_write = referrer_to_write + " via " + doc_location;  
  document.cookie = "referrer=" + referrer_to_write + ";expires=Monday, 04-Apr-2010 05:00:00 GMT";
}
function getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}
// -->