if (document.images)
{
    image1 = new Image;
    image2 = new Image;
    image3 = new Image;
    image4 = new Image;
    image5 = new Image;
    image6 = new Image;
    image7 = new Image;
    image8 = new Image;
    image9 = new Image;
    image10 = new Image;
    image11 = new Image;
    image12 = new Image;
    image13 = new Image;
    image14 = new Image;
    image15 = new Image;
    image16 = new Image;
    image17 = new Image;
    image18 = new Image;
    image19 = new Image;
    image20 = new Image;
    image21 = new Image;
    image22 = new Image;
    image23 = new Image;
    image24 = new Image;
    image1.src = "/images/nav01.gif";
    image2.src = "/images/nav01a.gif";
    image3.src = "/images/nav03.gif";
    image4.src = "/images/nav03a.gif";
    image5.src = "/images/nav05.gif";
    image6.src = "/images/nav05a.gif";
    image7.src = "/images/nav07.gif";
    image8.src = "/images/nav07a.gif";
    image9.src = "/images/nav09.gif";
    image10.src = "/images/nav09a.gif";
    image11.src = "/images/nav11.gif";
    image12.src = "/images/nav11a.gif";
    image13.src = "/images/homepage01.gif";
    image14.src = "/images/homepage02.gif";
    image15.src = "/images/bookmark01.gif";
    image16.src = "/images/bookmark02.gif";
    image17.src = "/images/contact01.gif";
    image18.src = "/images/contact02.gif";
    image19.src = "/images/multimedia01.gif";
    image20.src = "/images/multimedia02.gif";
    image21.src = "/images/updates01.gif";
    image22.src = "/images/updates02.gif";
    image23.src = "/images/search01.gif";
    image24.src = "/images/search02.gif";
}

function chgImg(name, image)
{
    if (document.images)
    {
        document[name].src = eval(image+".src");
    }
}