var NN3 = false;

home = new Image();
home.src = "images/mn_top_home.gif";
homeon = new Image();
homeon.src = "images/mn_top_home_on.gif";

profile = new Image();
profile.src = "images/mn_top_profile.gif";
profileon = new Image();
profileon.src = "images/mn_top_profile_on.gif";

medic = new Image();
medic.src = "images/mn_top_medic.gif";
medicon = new Image();
medicon.src = "images/mn_top_medic_on.gif";

pop = new Image();
pop.src = "images/mn_top_pop.gif";
popon = new Image();
popon.src = "images/mn_top_pop_on.gif";

plan = new Image();
plan.src = "images/mn_top_plan.gif";
planon = new Image();
planon.src = "images/mn_top_plan_on.gif";

forum = new Image();
forum.src = "images/mn_top_forum.gif";
forumon = new Image();
forumon.src = "images/mn_top_forum_on.gif";

link = new Image();
link.src = "images/mn_top_link.gif";
linkon = new Image();
linkon.src = "images/mn_top_link_on.gif";

gb = new Image();
gb.src = "images/mn_top_gb.gif";
gbon = new Image();
gbon.src = "images/mn_top_gb_on.gif";

contact = new Image();
contact.src = "images/mn_top_contact.gif";
contacton = new Image();
contacton.src = "images/mn_top_contact_on.gif";


function on3(name)   {
        document[name].src = eval(name + "on.src");
}
function off3(name)  {
        document[name].src = eval(name + ".src");
}
NN3 = true;

function on(name)  {
        if (NN3) on3(name);
}
function off(name)  {
        if (NN3) off3(name);
}