function scroll(step) 
{
if (dir2Scroll=='hori')
	{
	lClip -= step; 
	if (lClip<scrollMin) lClip=scrollMin;
	if (lClip>0) lClip=0;
	}
else
	{
	tClip -= step; 
	if (tClip<scrollMin) tClip=scrollMin;
	if (tClip>0) tClip=0;
	}
div2Scroll.style.top=tClip; div2Scroll.style.left=lClip;
scrollTime = setTimeout('scroll('+step+')', timeScroll);
}

function stopScroll() {
    if (window.scrollTime) clearTimeout(scrollTime);
}

mainScroll = document.getElementById('scroll');
div2Scroll = mainScroll.firstChild;
tClip=0; lClip=0; 
div2Scroll.style.top=0; div2Scroll.style.left=0;
if (mainScroll.style.width)
	{
	if (scrollMax>parseInt(mainScroll.style.width))
		{
		dir2Scroll = 'hori';
		scrollMin=-(scrollMax-parseInt(mainScroll.style.width));
		}
	else 
		{
		document.getElementById('scrolluno').style.display='none'; 
		mainScroll.style.width=scrollMax;	
		}
	}
else 
	{
	if (scrollMax>parseInt(mainScroll.style.height))
		{
		dir2Scroll = 'vert';		
		scrollMin=-(scrollMax-parseInt(mainScroll.style.height));
		}
	else 
		{
		mainScroll.style.height=scrollMax;	
		document.getElementById('scrolluno').style.display='none'; 
		document.getElementById('scrolldue').style.display='none'; 	
		}
	}