var offset_Top;
var scroll_Direction;

document.getElementById("bb").onkeydown = function()
{
	if(window.event.keyCode==36)
	{
		document.getElementById("BannerTbl").style.pixelTop = offset_Top;		
		scroll_Direction = document.getElementById("BannerTbl").style.pixelTop;
		document.getElementById("BannerTbl").style.top = offset_Top;

		if(document.all)
		{
			document.getElementById("BannerTbl").style.pixelTop = offset_Top;
		}
		else
		{
			document.getElementById("BannerTbl").style.top = offset_Top;
		}
	}	
}


function keepIn_View()
{
	try
	{
		scroll_Top = document.getElementById("bb").scrollTop;
		diffTop = scroll_Top-offset_Top;

		if(diffTop > 0)
		{
			diffTop = scroll_Top-scroll_Direction ;
			scroll_Direction = scroll_Top;
			
			if(document.all)
			{
				document.getElementById("BannerTbl").style.pixelTop += diffTop;
			}
			else
			{
				document.getElementById("BannerTbl").style.top = document.getElementById("BannerTbl").offsetTop + diffTop;
			}
		}		
	}catch(e){}
}

window.onscroll  = function()
{
	keepIn_View();
	
}

window.onload  = function()
{
	offset_Top = document.getElementById("BannerTbl").offsetTop;
	document.getElementById("BannerTbl").style.pixelTop = offset_Top;		
	scroll_Direction = document.getElementById("BannerTbl").style.pixelTop;
	document.getElementById("BannerTbl").style.top = offset_Top;
	keepIn_View();
}