var stopp=true;
//var bottomlimit=-10;
function scroll(id,dir,speed,method) {
	var id, dir, speed, method;
	speed=1;
	if (document.getElementById(id).style['top']) {
		pos=document.getElementById(id).style['top'];
	}
	else pos=document.getElementById(id).style['top']="0em";
	pos=parseInt(pos);
	if (dir=='up' && pos!=0.0) {
		newPos=pos+speed;
		document.getElementById(id).style['top']=newPos+"em";
	}
	if (dir=='down' && pos!=bottomlimit) {
		newPos=pos-speed;
		document.getElementById(id).style['top']=newPos+"em";
	}
	if (method==1 && !stopp) setTimeout("scroll('"+id+"','"+dir+"',"+speed+",1)",40);
	else return;
}