function bakeCookie(sName, sValue, oExpires, sPath, sDomain, bSecure) {
  var sCookie = sName + "=" + encodeURIComponent(sValue);
  if (oExpires) sCookie += "; expires=" + oExpires.toGMTString();
  if (sPath) sCookie += "; path=" + sPath;
  if (sDomain) sCookie += "; domain=" + sDomain;
  if (bSecure) sCookie += "; secure";
  document.cookie = sCookie;
} //bakeCookie()
                                
function eatCookie(sName) {
  var sRE = "(?:; )?" + sName + "=([^;]*);?";
  var oRE = new RegExp(sRE);
  return oRE.test(document.cookie) ? decodeURIComponent(RegExp["$1"]) : null;
} //eatCookie()

function killCookie(sName, sPath, sDomain) {
  var sCookie = sName + "=; expires=" + (new Date(0)).toGMTString();
  if (sPath) sCookie += "; path=" + sPath;
  if (sDomain) sCookie += "; domain=" + sDomain;
  document.cookie = sCookie;
} //killCookie()