One is possible to scroll text horizontial with an unordered list?

if so how do you do it with my code....cant figure it out. I change the scroll style to left or right and it doesnt work.

Thanks for the help.

Code:
var dn_startpos=120; 			
var dn_endpos=-200; 			
var dn_speed=30;				
var dn_newsID='news';			
var dn_classAdd='hasJS';		
var dn_stopMessage='';	
var dn_paraID='DOMnewsstopper';

window.onload=function()
{
	if(!document.getElementById || !document.createTextNode){return;}
	initDOMnews();
}
window.onunload=function()
{
	clearInterval(dn_interval);
}


var dn_scrollpos=dn_startpos;
function initDOMnews()
{
	var n=document.getElementById(dn_newsID);
	if(!n){return;}
	n.className=dn_classAdd;
	dn_interval=setInterval('scrollDOMnews()',dn_speed);
	var newa=document.createElement('a');
	var newp=document.createElement('p');
	newp.setAttribute('id',dn_paraID);
	newa.href='#';
	newa.appendChild(document.createTextNode(dn_stopMessage));
	newa.onclick=stopDOMnews;
	newp.appendChild(newa);
	n.parentNode.insertBefore(newp,n.nextSibling);
	n.onmouseover=function()
	{		
		clearInterval(dn_interval);
	}
	n.onmouseout=function()
	{
		dn_interval=setInterval('scrollDOMnews()',dn_speed);
	}
}

function stopDOMnews()
{
	clearInterval(dn_interval);
	var n=document.getElementById('news');
	n.className='';
	n.parentNode.removeChild(n.nextSibling);
	return false;
}
function scrollDOMnews()
{
	var n=document.getElementById(dn_newsID).getElementsByTagName('ul')[0];
	n.style.top=dn_scrollpos+'px';	
	if(dn_scrollpos==dn_endpos){dn_scrollpos=dn_startpos;}
	dn_scrollpos--;	
}