?<script>

?

? ? var p1= document.getElementById('p1'),

? p2= document.getElementById('p2'),

div1= document.getElementById('div1');

p1.innerHTML = p2.innerHTML;

? function scrollUp(){

if(div1.scrollTop >= p1.offsetHeight){

? div1.scrollTop=0;

}else{

? div1.scrollTop++;

}

}

?var time = 50;

var myScroll = setInterval('scrollUp()',time);

?

</script>