var loaded = false;
var subnav_On= false;

function rollOn(img1,text){
    window.status = text;
    if (document.images && loaded) {
        document[img1].src=eval(img1 + "_on.src");
    }
}

function rollOff(img1){
    window.status = "";
    if (document.images && loaded) {
		document[img1].src=eval(img1 + "_off.src");
	}
}
function turnOffSubnav(){
if (document.images && loaded) {subnav_On = false;rollOff('features','Features');document['subnav_head'].src = subnav_head_blank.src;document['description'].src = description_blank.src;document['us_weapons'].src = us_weapons_blank.src;document['us_vehicles'].src = us_vehicles_blank.src;document['nva_weapons'].src = nva_weapons_blank.src;document['nva_vehicles'].src = nva_vehicles_blank.src;document['subnav_foot'].src = subnav_foot_blank.src;}
}
function turnOnSubnav(){
if (document.images && loaded) {
subnav_On = true;
rollOn('features','Features');
document["subnav_head"].src = subnav_head_on.src;
document["description"].src = description_off.src;
document["us_weapons"].src = us_weapons_off.src;
document["us_vehicles"].src = us_vehicles_off.src;
document["nva_weapons"].src = nva_weapons_off.src;
document["nva_vehicles"].src = nva_vehicles_off.src;
document["subnav_foot"].src = subnav_foot_on.src;}
}