if (document.images) {

            img1on = new Image(); img1on.src = "../images/on/contact.gif";
            img1Aon = new Image(); img1Aon.src = "../images/on/contact.gif";
            img2on = new Image(); img2on.src = "../images/on/about.gif";
            img3on = new Image(); img3on.src = "../images/on/consumer.gif";
            img4on = new Image(); img4on.src = "../images/on/provider.gif";
            img5on = new Image(); img5on.src = "../images/on/legal.gif";
            img6on = new Image(); img6on.src = "../images/on/news.gif";
            img7on = new Image(); img7on.src = "../images/on/forum.gif";
            imgWon = new Image(); imgWon.src = "../images/on/webindex.gif";
            imgMon = new Image(); imgMon.src = "../images/on/mail.gif";

            img1off = new Image(); img1off.src = "../images/off/contact.gif"; 
            img1Aoff = new Image(); img1Aoff.src = "../images/off/contact.gif"; 
            img2off = new Image(); img2off.src = "../images/off/about.gif";  
            img3off = new Image(); img3off.src = "../images/off/consumer.gif";
            img4off = new Image(); img4off.src = "../images/off/provider.gif";
            img5off = new Image(); img5off.src = "../images/off/legal.gif";  
            img6off = new Image(); img6off.src = "../images/off/news.gif";
            img7off = new Image(); img7off.src = "../images/off/forum.gif";
            imgWoff = new Image(); imgWoff.src = "../images/off/webindex.gif";
            imgMoff = new Image(); imgMoff.src = "../images/off/mail.gif";


            imgLon = new Image(); imgLon.src = "../images/on/logo.gif";
            imgIon = new Image(); imgIon.src = "../images/on/icon.gif";
            imgCon = new Image(); imgCon.src = "../images/on/caribscape.gif";
            imgBon = new Image(); imgBon.src = "../images/on/base.gif";

            imgLoff = new Image(); imgLoff.src = "../images/off/logo.gif";
            imgIoff = new Image(); imgIoff.src = "../images/off/icon.gif";
            imgCoff = new Image(); imgCoff.src = "../images/off/caribscape.gif";
            imgBoff = new Image(); imgBoff.src = "../images/off/base.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");
        }
}