function newImage(arg) 
{
	if (document.images) 
	{
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
	
if (document.images) 
{
	n_bh = newImage("i/n_bh.gif");
}
	
function sh_item(where) 
{
	if (document.images) 
	{
		storedLocation=where;
		document.images["n"+where].src="i/n_bh.gif"; 
	}
}
	

function hd_item() 
{
	if (document.images) 
	{
		where=storedLocation;
		document.images["n"+where].src="i/n_b.gif"; 
	}
}