if (document.images) {            // Active Images
            img1on = new Image();
            img1on.src = "images/linkabout2.gif";
            img2on = new Image();
            img2on.src = "images/linkcampactivity2.gif";
            img3on = new Image();
            img3on.src = "images/linkbooking2.gif";
            img4on = new Image();
            img4on.src = "images/linkcorporate2.gif";
            img6on = new Image();
            img6on.src = "images/linkpricing2.gif";
            img7on = new Image();
            img7on.src = "images/linkmissions2.gif";
            img8on = new Image();
            img8on.src = "images/linkphotogallery2.gif";
            img9on = new Image();
            img9on.src = "images/linkvideo2.gif";
            img11on = new Image();
            img11on.src = "images/linkparties2.gif";
            img12on = new Image();
            img12on.src = "images/linkdirections2.gif";
            img13on = new Image();
            img13on.src = "images/linkfaq2.gif";
            img14on = new Image();
            img14on.src = "images/linkcontact2.gif";
            img15on = new Image();
            img15on.src = "images/linkhome2.gif";
            img16on = new Image();
            img16on.src = "images/linktownevents2.gif";


            img1off = new Image();
            img1off.src = "images/linkabout1.gif";
            img2off = new Image();
            img2off.src = "images/linkcampactivity1.gif";
            img3off = new Image();
            img3off.src = "images/linkbooking1.gif";
            img4off = new Image();
            img4off.src = "images/linkcorporate1.gif";
            img6off = new Image();
            img6off.src = "images/linkpricing1.gif";
            img7off = new Image();
            img7off.src = "images/linkmissions1.gif";
            img8off = new Image();
            img8off.src = "images/linkphotogallery1.gif";
            img9off = new Image();
            img9off.src = "images/linkvideo1.gif";
            img11off = new Image();
            img11off.src = "images/linkparties1.gif";
            img12off = new Image();
            img12off.src = "images/linkdirections1.gif";
            img13off = new Image();
            img13off.src = "images/linkfaq1.gif";
            img14off = new Image();
            img14off.src = "images/linkcontact1.gif";
            img15off = new Image();
            img15off.src = "images/linkhome1.gif";
            img16off = new Image();
            img16off.src = "images/linktownevents1.gif";

        }

// Function to 'activate' images.
function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
        }
}

// Function to 'deactivate' images.
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}