$(function () {
    var sumwidth = 0;
    $(".fenleiabout li").each(function () {
 
    });
    var www2 = -sumwidth / 2;
 
    $('ul.fenleiabout li').each(function () {
        var fenlei = $(this).children('a').text();
        var mbx = $(".p_breadcrumblist .contentbox:nth-child(1) .nrtitle").text();
        if (fenlei == mbx) {
            $(this).addclass("active");
        }
    });
});