jquery二级目录选中当前页的css样式

<div class="navlist clear"> <span><a  href="/M/Page_32.html"  title="内科" >内科</a></span><span><a  href="/M/Page_35.html"  title="外科" >外科</a></span><span><a  href="/M/Page_37.html"  title="妇产科" >妇产科</a></span><span><a  href="/M/Page_38.html"  title="儿科" >儿科</a></span><span><a  href="/M/Page_39.html"  title="五官科" >五官科</a></span><span><a  href="/M/Page_40.html"  title="中医科" >中医科</a></span><span><a  href="/M/Page_41.html"  title="急诊科" >急诊科</a></span><span><a  href="/M/Page_42.html"  title="口腔科" >口腔科</a></span><span><a  href="/M/Page_43.html"  title="疼痛康复科" >疼痛康复科</a></span><span><a  href="/M/Page_44.html"  title="病理科" >病理科</a></span><span><a  href="/M/Page_46.html"  title="医技科室" >医技科室</a></span><script>  var url = window.location.href;  $(".navlist span a").each(function () {    if (url.indexOf($(this).attr("href")) > 0) {       $(this).addClass("curent")    }  })   </script> </div>