if (document.images) {
        newson = new Image();
        newson.src = "images/news-over.gif";
        
        newsoff = new Image();
        newsoff.src = "images/news.gif";
        
}

if (document.images) {
        abouton = new Image();
        abouton.src = "images/about-over.gif";
        
        aboutoff = new Image();
        aboutoff.src = "images/about.gif";
        
}

if (document.images) {
        promoon = new Image();
        promoon.src = "images/promo-over.gif";
        
        promooff = new Image();
        promooff.src = "images/promo.gif";
        
}

if (document.images) {
        bookingon = new Image();
        bookingon.src = "images/booking-over.gif";
        
        bookingoff = new Image();
        bookingoff.src = "images/booking.gif";
        
}

if (document.images) {
        lookon = new Image();
        lookon.src = "images/lookwhos-over.gif";
        
        lookoff = new Image();
        lookoff.src = "images/lookwhos.gif";
        
}
if (document.images) {
        merchon = new Image();
        merchon.src = "images/merchandise-over.gif";
        
        merchoff = new Image();
        merchoff.src = "images/merchandise.gif";
        
}
if (document.images) {
        fireon = new Image();
        fireon.src = "images/fireproof-over.gif";
        
        fireoff = new Image();
        fireoff.src = "images/fireproof.gif";
        
}

if (document.images) {
        joinon = new Image();
        joinon.src = "images/sub-bottom-on.gif";
        
        joinoff = new Image();
        joinoff.src = "images/sub-bottom.gif";
        
}

function turnOn(imageName) {
        if (document.images) {
                document[imageName].src = eval(imageName + "on.src");
        }
}

function turnOff(imageName) {
        if (document.images) {
                document[imageName].src = eval(imageName + "off.src");
        }
}