js+css又一无缝滚动代码

<style type="text/css"> #marquee {position:relative;list-style:none;height:50px;width:320px;overflow:hidden;} #marquee li {position:absolute;} </style> <script type="text/javascript"> var Marquee = function(id){ try{document.execCommand("BackgroundImageCache", false, true);}catch(e){}; var container = document.getElementById(id), slide = container.getElementsByTagName("li")[0], speed = arguments[1] || 10, delta = 0,//当前滚动的位置 critical = slide.offsetHeight;//临界点 slide.innerHTML += slide.innerHTML; var rolling = function(){ delta == -critical ? delta = 0 : delta--; slide.style.top = delta + "px"; } var timer = setInterval(rolling,speed)//设置定时器 container.onmouseover=function() {clearInterval(timer)}//鼠标移到marquee上时，清除定时器，停止滚动 container.onmouseout=function() {timer=setInterval(rolling,speed)}//鼠标移开时重设定时器 } window.onload = function(){ Marquee("marquee"); } </script> <ul id="marquee"> <li> 中国网站频道<br /> www.v404.cn<br /> div css，flash广告，网页特效<br /> </li> </ul>