setCookie function

function setCookie(cookieName, value, daysToExpire, path, domain, secure) {
    var expiryDate;

    if (daysToExpire) {
        expiryDate = new Date();
        expiryDate.setTime(expiryDate.getTime() + (daysToExpire * 8.64e7));
    }

    document.cookie = cookieName + '=' + (value.toString()) +
    (daysToExpire ? ';expires=' + expiryDate.toGMTString() : '') +
    ';path=' + (path ? path : '/') +
    (domain ? ';domain=' + domain : '') +
    (secure ? ';secure' : '');
};