var bannerDy = 2; 
var bannerTimer;
var bannerTimerResolution = 33; 

$(document).ready(function()
{
	scrollDiv(2);
});

function scrollDiv(direction)
{ 
	clearTimeout(bannerTimer); 
	
	scPan = document.getElementById("bannerContent");
	y = scPan.scrollTop; 
	
	if(direction == 1)
		y-=bannerDy; 
	else if(direction == 2)
		y+=bannerDy; 
		
	if(y <= scPan.scrollHeight - scPan.offsetHeight + bannerDy && y >= 0 - bannerDy)
	{ 
		scPan.scrollTop = y; 
		bannerTimer = setTimeout('scrollDiv('+direction+')', bannerTimerResolution); 
	} 
	if(y < 0 || 
	   y > scPan.scrollHeight - scPan.offsetHeight)
	{
		scPan.scrollTop = 0;
	}
} 


function stopScrolling()
{
	clearTimeout(bannerTimer); 
}


function resetScrollingSpeed()
{
	bannerDy = 2;
	bannerTimerResolution = 33; 

}


function slowdownScrollingSpeed()
{
	bannerDy = 0;
	bannerTimerResolution = 500; 

}