//read COOKIE
function getCookie(cookiename) {
var result;
var mycookie = document.cookie;
var start2 = mycookie.indexOf(cookiename + "=");
if (start2 > -1) {
start = mycookie.indexOf("=", start2) + 1;
var end = mycookie.indexOf(";", start);
if (end == -1) {
end = mycookie.length;
}
result = unescape(mycookie.substring(start, end));
}
return result;
}
//write COOKIE
function setCookie(cookiename, cookievalue) {
var date = new Date();
date.setTime(date.getTime() + 5 * 365 * 24 * 60 * 60);
document.cookie = cookiename + "=" + cookievalue + "; path=/;expires = " + date.toGMTString();
}