无缝滚动

<div id="demo1">
1、滚动内容在这里<br/>

2、滚动内容在这里<br/>

3、滚动内容在这里<br/>

4、滚动内容在这里<br/>

5、滚动内容在这里<br/>

</div>

<div id="demo2">
</div>

 

 

 

<script language="javascript" type="text/javascript">
                    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>