var timer;
var i=0;
function scrollDiv(direction, name){
	clearTimeout(timer);
	d=document.getElementById(name)
	y=d.scrollTop;
	y+=2* direction;
	if(y<d.scrollHeight-d.offsetHeight && y > 0){
		d.scrollTop=y;
		timer=setTimeout('scrollDiv(' + direction + ',"' + name + '")',10);
	}
	else{
		if (direction > 0) {
			d.scrollTop = d.scrollHeight-d.offsetHeight;
		} else {
		d.scrollTop = 0;
		}
		clearTimeout(timer);
	}
}