cookie

function fixCookieDate(date) {
 var base = new Date(0);
 var skew = base.getTime();
 if (skew > 0) date.setTime(date.getTime() - skew);
}
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 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 alen = arg.length;
 var clen = document.cookie.length;
 var i = 0;
 var flag = '';
 while (i < clen) {
  var j = i + alen;
  if (document.cookie.substring(i,j) == arg)
   flag = getCookieVal(j);
  i = document.cookie.indexOf(" ",i) + 1;
  if (i == 0) break;
 }
 return flag;
}