//图片滚动
var speed3=1//速度数值越大速度越慢
demo2.innerHTML=demo1.innerHTML
function Marquee()
{
    if(demo2.offsetWidth-demo.scrollLeft<=0)

    demo.scrollLeft-=demo1.offsetWidth

    else
     {
         demo.scrollLeft++
     }
 }

var MyMar=setInterval(Marquee,speed3)

demo.onmouseover=function() 
{
    clearInterval(MyMar)
}
demo.onmouseout=function() 
{
    MyMar=setInterval(Marquee,speed3)
}



//公示公告滚动
var t0=31;
var   t=mydemo.scrollTop;   
mydemo2.innerHTML=mydemo1.innerHTML;   
function   likeMarquee()
{   
 if(mydemo2.offsetTop-mydemo.scrollTop<=0)   
 mydemo.scrollTop-=mydemo1.offsetHeight;   
 else   
 mydemo.scrollTop++;   
}  	   				    
var temp=setInterval(likeMarquee,t0);   
mydemo.onmouseover=function() 
{
    clearInterval(temp)
}
mydemo.onmouseout=function() 
{
    temp=setInterval(likeMarquee,t0)
}