Sys.WebForms.PageRequestManager.getInstance().add_pageLoaded(function () {
    $(".thaiRating div.thaiRatingAuthBlock").click(function () {
        $(this).stop();
        $(this).animate({ opacity: 100 }, { duration: 300 });
    });
    $(".thaiRating div.thaiRatingAuthBlock").mouseout(function () {
        $(this).stop();
        $(this).animate({ opacity: 0 }, { duration: 300 });
    });
});