<!--

if (document.images) {

img1on = new Image();
img1on.src = "images/nav_about_over.gif";
img2on = new Image();
img2on.src = "images/nav_services_over.gif";
img3on = new Image();
img3on.src = "images/nav_news_over.gif";
img4on = new Image();
img4on.src = "images/nav_events_over.gif";
img5on = new Image();
img5on.src = "images/nav_marketinfo_over.gif";
img6on = new Image();
img6on.src = "images/nav_contactEPS_over.gif";

img1off = new Image();
img1off.src = "images/nav_about.gif";
img2off = new Image();
img2off.src = "images/nav_services.gif";
img3off = new Image();
img3off.src = "images/nav_news.gif";
img4off = new Image();
img4off.src = "images/nav_events.gif";
img5off = new Image();
img5off.src = "images/nav_marketinfo.gif";
img6off = new Image();
img6off.src = "images/nav_contactEPS.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");
        }
}
// -->