aon = new Image;(150,21)
aon.src = "img/menu/menuA_1.gif";
aoff = new Image;(150,21)
aoff.src = "img/menu/menu_1.gif";
bon = new Image;(150,21)
bon.src = "img/menu/menuA_2.gif";
boff = new Image;(150,21)
boff.src = "img/menu/menu_2.gif";
con = new Image;(150,21)
con.src = "img/menu/menuA_3.gif";
coff = new Image;(150,21)
coff.src = "img/menu/menu_3.gif";
don = new Image;(150,21)
don.src = "img/menu/menuA_4.gif";
doff = new Image;(150,21)
doff.src = "img/menu/menu_4.gif";

// swap images using the cached images
function glow(x, y)
{
	document.getElementById(x).src = eval(y+'.src');
}