JavaScript实现图片的不间断连续滚动

<div id=demo style=overflow:hidden;height:150;width:90;background:#214984;color:#ffffff> 
<div id=demo1> 
<!-- 定义图片 --> 
<img src="/img/link.gif"> 
<img src="/img/link1.gif"> 
<img src="/img/link2.gif"> 
<img src="/img/link3.gif"> 
<img src="/img/link4.gif"> 
</div> 
<div id=demo2></div> 
</div>
<script> 
var speed=30 
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)} 
demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)} 
</script> 

<div id=demo style=overflow:hidden;height:150;width:90;background:#214984;color:#ffffff> 
<div id=demo1> 
<!-- 定义图片 --> 
<img src="/img/link.gif"> 
<img src="/img/link1.gif"> 
<img src="/img/link2.gif"> 
<img src="/img/link3.gif"> 
<img src="/img/link4.gif"> 
</div> 
<div id=demo2></div> 
</div> 
<script> 
var speed=30 
demo2.innerHTML=demo1.innerHTML 
demo.scrollTop=demo.scrollHeight 
function Marquee(){ 
if(demo1.offsetTop-demo.scrollTop>=0) 
demo.scrollTop+=demo2.offsetHeight 
else{ 
demo.scrollTop-- 
} 
} 
var MyMar=setInterval(Marquee,speed) 
demo.onmouseover=function() {clearInterval(MyMar)} 
demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)} 
</script>

<div id=demo style=overflow:hidden;height:33;width:200;background:#214984;color:#ffffff> 
<table align=left cellpadding=0 cellspace=0 border=0> 
<tr> 
<td id=demo1 valign=top><img src="/img/link.gif"><img src="/img/link1.gif"><img src="/img/link2.gif"><img src="/img/link3.gif"> 
</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>

<div id=demo style=overflow:hidden;height:33;width:200;background:#214984;color:#ffffff> 
<table align=left cellpadding=0 cellspace=0 border=0> 
<tr> 
<td id=demo1 valign=top><img src="/img/link.gif"><img src="/img/link1.gif"><img src="/img/link2.gif"><img src="/img/link3.gif"> 
</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>