function fixCookieDate (date) {
  var base = new Date(0);
  var skew = base.getTime();  // dawn of (Unix) time - should be 0
  if (skew > 0)              // Except on the Mac - ahead of its time
     date.setTime (date.getTime() - skew);
}

function getCookieVal (offset) {
  var endstr = document.cookie.indexOf (";", offset);
  if (endstr == -1)
     endstr = document.cookie.length
  return unescape(document.cookie.substring(offset, endstr));
}

function getCookie (name) {
  var arg  = name + "="
  var idx = document.cookie.indexOf(arg)
  if (idx>-1) {
     var j = idx + arg.length
     return getCookieVal(j)
     }
  return null;
}

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-70 00:00:01 GMT";
  }
}