function createCookie(name, value, days) {    var expires;
    if (days) {        var date = new Date();        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));        expires = "; expires=" + date.toGMTString();    } else {        expires = "";    }    document.cookie = encodeURIComponent(name) + "=" + encodeURIComponent(value) + expires + "; path=/";                return true;}