function arrow_down_right(id)
{
	var is_vis = Element.visible(id);
	if (false) {
		if (is_vis) { $(id).hide(); } else { $(id).show(); }
		$(id + "_img").src = (is_vis) ? "/images/small-right.gif" : "/images/small-down.gif";
	} else {
		var args = arguments[1] || {duration: 0.25};
		if (is_vis) {
			args.afterFinish = function () { $(id + "_img").src = "/images/small-right.gif"; }
		} else {
			args.afterFinish = function () { $(id + "_img").src = "/images/small-down.gif"; }
		}
		new Effect[is_vis ? 'BlindUp' : 'BlindDown'](id, args);
	}
}