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";
	}
}