摘要: <script language="JavaScript" type="text/javascript">lastScrollY=0;function heartBeat(){var diffY;if (document.documentElement && document.documentElement.scrollTop)diffY = document.documentElement.scrollTop;else if (document.body)diffY = document.body.scrollTopelse 阅读全文
posted @ 2012-10-26 13:38 周董 阅读(231) 评论(0) 推荐(0)