if(document.images) {
    image1 = new Image();
    image1.src = "images/layout/navh_about.gif";
    image2 = new Image();
    image2.src = "images/layout/navh_downloads.gif";
    image3 = new Image();
    image3.src = "images/layout/navh_forums.gif";
    image4 = new Image();
    image4.src = "images/layout/navh_news.gif";
    image5 = new Image();
    image5.src = "images/layout/navh_team.gif";
    image6 = new Image();
    image6.src = "images/layout/nav_about.gif";
    image7 = new Image();
    image7.src = "images/layout/nav_downloads.gif";
    image8 = new Image();
    image8.src = "images/layout/nav_forums.gif";
    image9 = new Image();
    image9.src = "images/layout/nav_news.gif";
    image10 = new Image();
    image10.src = "images/layout/nav_team.gif";
}