function Add2Favorite(obj, title, url)
{
    if (title == null) {
        title = document.title;
    }
    
    if (window.sidebar) { // Mozilla Firefox Bookmark
        obj.title = title;
        return true;
    } else if(window.external) { // IE Favorite
        obj.title = title;
        window.external.AddFavorite(document.location.href, obj.title);
    } else if(window.opera && window.print) { // Opera Hotlist
        obj.title = title;
        return true;
    } else {
        window.alert('Az  OK gomb után nyoja meg a CTRL-D, és az oldal a kedvencei közé kerül.');
    }
    return false;
}