子页面调用父页面方法，动态刷新父页面iframe的src值

function tonewsDetail(sequenceId) {//子页面方法var url = "news.html?toDetailName=" + sequenceId + "&itemId=1";window.parent.showFirstPageDetail(url);}function showFirstPageDetail(url){//父页面方法$("#firstPage").hide();$("#elseAll").hide();$("#messagePage").hide();$("#detail-content_all").hide();$("#jncsDiv").show();window.frames["iframeDetail"].src = url;}//父页面div<div  id="jncsDiv"><iframe id = 'iframeDetail' align="center" width="1330" height="1320" src=""frameborder="no" border="0" marginwidth="0" marginheight="0" scrolling="no"></iframe></div>