function initPage() {

    //preload mainmenu mouseover images
    if (document.images) {
        img1 = new Image();
        img1.src = "http://www.barracudanetworks.ca/app_themes/barracudanetworks/images/mainmenu-prod-mo.png";

        img2 = new Image();
        img2.src = "http://www.barracudanetworks.ca/app_themes/barracudanetworks/images/mainmenu-price-mo.png";

        img3 = new Image();
        img3.src = "http://www.barracudanetworks.ca/app_themes/barracudanetworks/images/mainmenu-demos-mo.png";

        img4 = new Image();
        img4.src = "http://www.barracudanetworks.ca/app_themes/barracudanetworks/images/mainmenu-videos-mo.png";

        img5 = new Image();
        img5.src = "http://www.barracudanetworks.ca/app_themes/barracudanetworks/images/mainmenu-eval-mo.png";

        img6 = new Image();
        img6.src = "http://www.barracudanetworks.ca/app_themes/barracudanetworks/images/mainmenu-support-mo.png";

        img7 = new Image();
        img7.src = "http://www.barracudanetworks.ca/app_themes/barracudanetworks/images/mainmenu-contact-mo.png";

    }
}

//swap pic function
function movepic(img_name, img_src) {
    document[img_name].src = img_src;
}