function makeCookie(Name, Value, Expiry, Path, Domain, Secure) {
    if (Expiry != null) {
        var datenow = new Date();
        datenow.setTime(datenow.getTime() + Math.round(86400000 * Expiry));
        Expiry = datenow.toGMTString();
    }

    Expiry = (Expiry != null) ? '; expires=' + Expiry : '';
    Path = (Path != null) ? '; path=' + Path : '';
    Domain = (Domain != null) ? '; domain=' + Domain : '';
    Secure = (Secure != null) ? '; secure' : '';

    document.cookie = Name + '=' + escape(Value) + Expiry + Path + Domain + Secure;
}

function readCookie(Name) {
    var cookies = document.cookie;
    if (cookies.indexOf(Name + '=') == -1) return null;
    var start = cookies.indexOf(Name + '=') + (Name.length + 1);
    var finish = cookies.substring(start, cookies.length);
    finish = (finish.indexOf(';') == -1) ? cookies.length : start + finish.indexOf(';');
    return unescape(cookies.substring(start, finish));
}

function selectStyle(vCookieName, vSelection, number) {
    var cookies = document.cookie;
    if (cookies.indexOf(vCookieName + '=') == -1) {

    }
    else {
        var css = readCookie('style');
        if (css == 'font-large') { vSelection = 'font-default'; }
        else { vSelection = 'font-large'; }
    }


    // write cookie
    makeCookie(vCookieName, vSelection, 90, '/');
    // reload the current page
    self.location = self.location;
}