(function($){
    $('.news .menu li').each(function(i){
        $(this).click(function(){
            $('.news .course-content-item,.news .menu li').removeClass('active');
            $('.news .course-content-item:eq('+i+')').addClass('active');
            $(this).addClass('active');
        })
    })
    //$(".school-info").before('<iframe src="https://ip.yongkao.com/PcArticle/?f='+encodeURI(document.URL)+'&pagetitle='+encodeURI(document.title)+'" width="100%" height="400" frameborder="0" scrolling="no" style="margin-bottom:15px;"></iframe>');
})(jQuery)

$(".course-sidebar .school-info .data").hide();
$(".course-content-item .yk_box24").hide();
$(".course-content-item .yk_box27").hide();
$(".course-content-item .yk_box30").hide();
$(".course-content-item .yk_box33").hide();
$(".course-content-item .yk_box57").hide();
$(".course-content-item .yk_box70").hide();