function changeLanguage(languageCode) {
    var expires = new Date();
    expires.setMonth(expires.getMonth() + 1);
    document.cookie = 'SWWTP_Language=' + languageCode + '; expires=' + expires.toUTCString() + '; path=/';

    location.reload(true)
}

function readCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for (var i = 0; i < ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0) == ' ') c = c.substring(1, c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
    }
    return null;
}