if (document.images) {            // Active Images

            img1on = new Image();
            img1on.src = "images/linkbio2.gif";
            img2on = new Image();
            img2on.src = "images/linkbooks2.gif";
            img3on = new Image();
            img3on.src = "images/linkheroes2.gif";
            img4on = new Image();
            img4on.src = "images/linkphoto2.gif";
            img5on = new Image();
            img5on.src = "images/linkwriting2.gif";
            img6on = new Image();
            img6on.src = "images/linkmailinglist2.gif";
            img7on = new Image();
            img7on.src = "images/linkhome2.gif";
            img8on = new Image();
            img8on.src = "images/excerpt2.gif";
            img9on = new Image();
            img9on.src = "images/hero2.gif";
            img10on = new Image();
            img10on.src = "images/order2.gif";
            img11on = new Image();
            img11on.src = "images/backtobooks2.gif";
            img12on = new Image();
            img12on.src = "images/linkcontest2.gif";
            img13on = new Image();
            img13on.src = "images/linkcontact2.gif";
            img14on = new Image();
            img14on.src = "images/backtophoto2.gif";
            img15on = new Image();
            img15on.src = "images/linkfaq2.gif";

            img1off = new Image();
            img1off.src = "images/linkbio1.gif";
            img2off = new Image();
            img2off.src = "images/linkbooks1.gif";
            img3off = new Image();
            img3off.src = "images/linkheroes1.gif";
            img4off = new Image();
            img4off.src = "images/linkphoto1.gif";
            img5off = new Image();
            img5off.src = "images/linkwriting1.gif";
            img6off = new Image();
            img6off.src = "images/linkmailinglist1.gif";
            img7off = new Image();
            img7off.src = "images/linkhome1.gif";
            img8off = new Image();
            img8off.src = "images/excerpt1.gif";
            img9off = new Image();
            img9off.src = "images/hero1.gif";
            img10off = new Image();
            img10off.src = "images/order1.gif";
            img11off = new Image();
            img11off.src = "images/backtobooks1.gif";
            img12off = new Image();
            img12off.src = "images/linkcontest1.gif";
            img13off = new Image();
            img13off.src = "images/linkcontact1.gif";
            img14off = new Image();
            img14off.src = "images/backtophoto1.gif";
            img15off = new Image();
            img15off.src = "images/linkfaq1.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");

        }

}