function showPrevOver()
	{
	prevPtr.src = "images/prev_ptrRed.gif";
	}
function showPrev()
	{
	prevPtr.src = "images/prev_ptr.gif";
	}
function showNextOver()
	{
	nextPtr.src = "images/next_ptrRed.gif";	
	}
function showNext()
	{
	nextPtr.src = "images/next_ptr.gif";
	}
function showSupersizeOver()
	{
	supersize.src = "images/supersizeRed.gif";
	}
function showSupersize()
	{
	supersize.src = "images/supersize.gif";
	}