recordPositionY = 0;
function FloatPosition()
{
	var recordScrollTop = 0;
	if(document.documentElement && document.documentElement.scrollTop)
	{
		recordScrollTop = document.documentElement.scrollTop;
	}
	else
	{
		if(document.body)
		{
			recordScrollTop = document.body.scrollTop;
		}
	}
	var movePixY = 0.2 * (recordScrollTop - recordPositionY);
	if(movePixY > 0)
	{
		movePixY = Math.ceil(movePixY);
	}
	else
	{
		movePixY = Math.floor(movePixY);
	}
	obj=document.getElementById("floatBox");
	var basketTop = obj.style.pixelTop;
	obj.style.pixelTop = basketTop + movePixY;
	recordPositionY = recordPositionY + movePixY;
}
window.setInterval("FloatPosition()",2);
function hidead() 
{ 
showad = false; 
document.getElementById("hc").style.display="none"; 
}