var xnow;
var re=0; 
var li = 0;
var xPosition = 0;
var scrollAmount = 1;
var scrollInterval = 20;
var currFaktor = 1;

function scrollre(faktor) {
	if (faktor != null)	{		currFaktor = faktor;	}
	li=0;
	xnow=xversatz();
	xPosition = xnow + (scrollAmount*currFaktor);
	parent.frames[1].scroll(xPosition,0);
	if(re>0 && xnow!=xversatz()) setTimeout('scrollre( )',scrollInterval);
}

function scrollli(faktor) {
	if (faktor != null)	{		currFaktor = faktor;	}
	re=0;
	xnow=xversatz();
	xPosition = xnow - (scrollAmount*currFaktor);
	parent.frames[1].scroll(xPosition,0);
	if(li>0 && xnow!=xversatz()) setTimeout('scrollli()',scrollInterval);
}

function xversatz() {
  if		(document.all)				return parent.frames[1].document.body.scrollLeft;
  else if	(document.getElementById)	return parent.frames[1].pageXOffset;
  else if	(document.layers)			return parent.frames[1].pageXOffset;
}
function fensterbreite() {
  if		(document.all)				return parent.frames[1].document.body.clientWidth;
  else if	(document.getElementById)	return parent.frames[1].innerWidth;
  else if	(document.layers)			return parent.frames[1].innerWidth;
}
function framebreite() {
  if		(document.all)				return parent.frames[1].document.body.clientWidth;
  else if	(document.getElementById)	return parent.frames[1].width;
  else if	(document.layers)			return parent.frames[1].width;
}

function was(){
alert("versatz= "+ xversatz() +
		"\n fenster= " + fensterbreite() +
		"\n frame= " + framebreite() +
	"\n");
}