摘要:
<script type="text/javascript"> lastScrollY = 0; function FloatScroll() { var diffY; if (document.documentElement && document.documentElement.scrollTop) { diffY = document.documentElement.scrollTop; } else if (document.body) { ... 阅读全文
posted @ 2012-05-30 16:14 yjss 阅读(401) 评论(0) 推荐(0) 编辑