js向左滚动 枫

<div id=demo style=overflow:hidden;height:139;232;background:#f4f4f4;color:#ffffff><table align=left cellpadding=0 cellspace=0 border=0><tr><td id=demo1 valign=top><img src="http://www.lanrentuku.com/down/js/images/12460764740.jpg"><img src="http://www.lanrentuku.com/down/js/images/12460764741.jpg"><img src="http://www.lanrentuku.com/down/js/images/12460764742.jpg"><img src="http://www.lanrentuku.com/down/js/images/12460764743.jpg"><img src="http://www.lanrentuku.com/down/js/images/12460764744.jpg"></td><td id=demo2 valign=top></td></tr></table></div>

  <script>

  var speed=30

  demo2.innerHTML=demo1.innerHTML

  function Marquee(){

  if(demo2.offsetWidth-demo.scrollLeft<=0)

  demo.scrollLeft-=demo1.offsetWidth

  else{

  demo.scrollLeft++

  }

  }

  var MyMar=setInterval(Marquee,speed)

  demo.onmouseover=function() {clearInterval(MyMar)}

  demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}

  </script>