(function() {
            var lang = document.documentElement.lang;
            if (lang) {
                if (localStorage) {
                    localStorage.setItem('langCode', lang);
                }
                var expDate = new Date();
                expDate.setTime(expDate.getTime() + (7 * 24 * 60 * 60 * 1000));
                document.cookie = 'langCode='+lang+';expires='+expDate.toUTCString()+';path=/';
            } else {
                localStorage.removeItem('langCode');
                document.cookie = 'langCode=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/';
            }
        })();