1、网页定位导航兼容ie6问题

<div id=menu>
   <ul>
      <li>男装</li>
      <li>女装</li>
   </ul>
</div>

* html #menu {
    position: absolute;
    bottom: auto;
    top: expression(100+((e=document.documentElement.scrollTop)?e:document.body.scrollTop)+'px');
}

2、解决ie6下滑时抖动问题

* html, * html body {
    background-image: url(about:blank);
    background-attachment: fixed;
}