使用JS实现无缝滚动图片效果

JS不间断向左滚动   
  
<div id=demo style=overflow:hidden;height:139;width:232;background:#f4f4f4;color:#ffffff><table align=left cellpadding=0 cellspace=0 border=0><tr><td id=demo1 valign=top><img src="http://www.makewing.com/lanren/jscode/js-0063/images/01.jpg"><img src="http://www.makewing.com/lanren/jscode/js-0063/images/02.jpg"><img src="http://www.makewing.com/lanren/jscode/js-0063/images/03.jpg"><img src="http://www.makewing.com/lanren/jscode/js-0063/images/04.jpg"><img src="http://www.makewing.com/lanren/jscode/js-0063/images/05.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>   
  
JS不间断向右滚动   
  
<div id=demo style=overflow:hidden;height:139;width:232;background:#f4f4f4;color:#ffffff><table align=left cellpadding=0 cellspace=0 border=0><tr><td id=demo1 valign=top><img src="http://www.makewing.com/lanren/jscode/js-0063/images/01.jpg"><img src="http://www.makewing.com/lanren/jscode/js-0063/images/02.jpg"><img src="http://www.makewing.com/lanren/jscode/js-0063/images/03.jpg"><img src="http://www.makewing.com/lanren/jscode/js-0063/images/04.jpg"><img src="http://www.makewing.com/lanren/jscode/js-0063/images/05.jpg"></td><td id=demo2 valign=top></td></tr></table></div>   
<script>   
var speed=30   
demo2.innerHTML=demo1.innerHTML   
demo.scrollLeft=demo.scrollWidth   
function Marquee(){   
if(demo.scrollLeft<=0)   
demo.scrollLeft+=demo2.offsetWidth   
else{   
demo.scrollLeft--   

}   
}   
var MyMar=setInterval(Marquee,speed)   
demo.onmouseover=function() {clearInterval(MyMar)}   
demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}   
</script>   
  
JS不间断向上滚动   
  
<div id=demo style=overflow:hidden;height:139;width:232;background:#f4f4f4;color:#ffffff><div id=demo1>   
<img src="http://www.makewing.com/lanren/jscode/js-0063/images/01.jpg">   
<img src="http://www.makewing.com/lanren/jscode/js-0063/images/02.jpg">   
<img src="http://www.makewing.com/lanren/jscode/js-0063/images/03.jpg">   
<img src="http://www.makewing.com/lanren/jscode/js-0063/images/04.jpg">   
<img src="http://www.makewing.com/lanren/jscode/js-0063/images/05.jpg">   
</div>   
<div id=demo2></div>   
</div>   
<script>   
var speed=50   
demo2.innerHTML=demo1.innerHTML   
function Marquee(){   
if(demo2.offsetTop-demo.scrollTop<=0)   
demo.scrollTop-=demo1.offsetHeight   
else{   
demo.scrollTop++   
}   
}   
var MyMar=setInterval(Marquee,speed)   
demo.onmouseover=function() {clearInterval(MyMar)}