<body style="margin:0px;">
<div style="height:300px;background:#e0e0e0"></div>
<div id="fixedMenu_keleyi_com" style="background:#ffffff;width:100%;"><ul><li><a
target="_blank">.NET</a></li>
<li><a target="_blank">Javascript</a></li>
<li><a target="_blank">jQuery</a></li>
<li><a target="_blank">C#</a></li>
<li><a target="_blank">其他</a></li>
<li><a target="_blank">首頁</a></li></ul>
</div>
<div style="height:2600px;background:#999"></div>
<script type="text/javascript" src="http://www.keleyi.com/keleyi/pmedia/jquery-1.9.1.min.js"></script>
<script type="text/javascript">
$(function () {
var ie6 = document.all;
var dv = $('#fixedMenu_keleyi_com'), st;
dv.attr('otop', dv.offset().top); //存儲原來的距離頂部的距離
$(window).scroll(function () {
st = Math.max(document.body.scrollTop || document.documentElement.scrollTop);
if (st > parseInt(dv.attr('otop'))) {
if (ie6) {//IE6不支持fixed屬性，所以只能靠設置position為absolute和top實現此效果
dv.css({ position: 'absolute', top: st });
}
else if (dv.css('position') != 'fixed') dv.css({ 'position': 'fixed', top: 0 });
} else if (dv.css('position') != 'static') dv.css({ 'position': 'static' });
});
});
</script>
</body>
