function setCookie(cName, cValue) {
    document.cookie = cName + '=' + escape(cValue);
}

function getCookie(cName) {
    var cookie = document.cookie;
    var result, cStart, cEnd;

    if(cookie.length > 0) {
        if((cStart = cookie.indexOf(cName + '=')) != -1) {
            cStart = cStart + cName.length + 1;

            cEnd = cookie.indexOf(';', cStart);
            cEnd = (cEnd >= 0 ? cEnd : cookie.length);

            result = unescape(cookie.substring(cStart, cEnd));
        }
    }

    return result ? result : '';
}