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

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

function GetCookie (name) {
  var arg = name + "=";
  var alen = arg.length;
  var clen = document.cookie.length;
  var i = 0;
  while (i < clen) {
    var j = i + alen;
    if (document.cookie.substring(i, j) == arg) {return getCookieVal (j);}
    i = document.cookie.indexOf(" ", i) + 1;
    if (i == 0) {break;}}
  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";}}

function SaveCookie (name, value, timeinsec, path, domian, secure) {
   var expdate = new Date ();
   FixCookieDate (expdate);
   var CzasDodany = expdate.getTime() + (timeinsec*1000);
   expdate.setTime (CzasDodany);
   SetCookie(name,value,expdate,path,domian,secure);}