<!--
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            img1on.src = "../images/menu/about2.gif"; 
            var img1off = new Image(); 
            img1off.src = "../images/menu/about1.gif"; 

            var img2on = new Image(); 
            img2on.src = "../images/menu/new2.gif";  
            var img2off = new Image();          
            img2off.src = "../images/menu/new1.gif"; 

            var img3on = new Image();
            img3on.src = "../images/menu/last2.gif";
            var img3off = new Image();
            img3off.src = "../images/menu/last1.gif";

            var img4on = new Image();
            img4on.src = "../images/menu/arc2.gif";
            var img4off = new Image();
            img4off.src = "../images/menu/arc1.gif";

            var img5on = new Image();
            img5on.src = "../images/menu/art2.gif";
            var img5off = new Image();
            img5off.src = "../images/menu/art1.gif";

            var img6on = new Image();
            img6on.src = "../images/menu/tr2.gif";
            var img6off = new Image();
            img6off.src = "../images/menu/tr1.gif";

            var img7on = new Image();
            img7on.src = "../images/menu/subs2.gif";
            var img7off = new Image();
            img7off.src = "../images/menu/subs1.gif";

            var img8on = new Image();
            img8on.src = "../images/menu/adv2.gif";
            var img8off = new Image();
            img8off.src = "../images/menu/adv1.gif";

            var img9on = new Image();
            img9on.src = "../images/menu/ed2.gif";
            var img9off = new Image();
            img9off.src = "../images/menu/ed1.gif";

            var img10on = new Image();
            img10on.src = "../images/menu/exhib2.gif";
            var img10off = new Image();
            img10off.src = "../images/menu/exhib1.gif";
        }

function imgOn(imgName) {
        if (document.images) document[imgName].src = eval(imgName + "on.src");
}

function imgOff(imgName) {
        if (document.images) document[imgName].src = eval(imgName + "off.src");
}
// -->