function GetCookie(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 SetCookie(name,value,expires,path,domain,secure) {
  document.cookie = 
    name + '=' + escape(value) +
    ( (expires) ? ';expires=' + expires.toGMTString() : '') +
    ( (path) ? ';path=' + path : '') + 
    ( (domain) ? ';domain=' + domain : '') +
    ( (secure) ? ';secure' : '');
}

function DeleteCookie(name,path,domain) {
  if (GetCookie(name))
    document.cookie =
      name + '=' +
      ( (path) ? ';path=' + path : '') +
      ( (domain) ? ';domain=' + domain : '') +
      ';expires=Thu, 01-Jan-1970 00:00:01 GMT';
}

function FixCookieDate (date) {
  var base = new Date(0);
  var skew = base.getTime();
  if (skew > 0)
  date.setTime (dat.getTime() - skew);
}