// Original JavaScript code by Duncan Crombie: dcrombie at chirp.com.au
// Please acknowledge use of this code by including this header.
// http://members.ozemail.com.au/~dcrombie/cookie.html

function getCookie(name) { // use: getCookie("name");
  var cookie = document.cookie;
  var index = cookie.indexOf(name + "=");
  if (index == -1) return null; //Not found
  index = cookie.indexOf("=", index) + 1;
  var endstr = cookie.indexOf(";", index);
  if (endstr == -1) endstr = cookie.length;
  return unescape(cookie.substring(index, endstr));
}

function setCookie(name, value) { // use: setCookie("name", value);
  var today = new Date();
  var expiry = new Date(today.getTime() + 28 * 24 * 60 * 60 * 1000); // plus 28 days

  if (value != null && value != "")
    document.cookie = name + "=" + escape(value) + "; expires=" + expiry.toGMTString() + "; path=/";
}