var speed=35
var demo0=document.getelementbyid("demo0"); 
var demo2=document.getelementbyid("demo2"); 
var demo1=document.getelementbyid("demo1"); 
demo2.innerhtml=demo1.innerhtml
function marquee0(){
if(demo1.scrollheight<=demo0.scrolltop)
demo0.scrolltop=0
else{
demo0.scrolltop++
}
}
var mymar0=setinterval(marquee0,speed)
demo0.onmouseover=function() {clearinterval(mymar0)}
demo0.onmouseout=function() {mymar0=setinterval(marquee0,speed)}