<!--

// preload images
but_home = new Image();
but_home.src = "graphics/but_home2.gif";
but_about = new Image();
but_about.src = "graphics/but_about2.gif";
but_products = new Image();
but_products.src = "graphics/but_products2.gif";
but_services = new Image();
but_services.src = "graphics/but_services2.gif";
but_forms = new Image();
but_forms.src = "graphics/but_forms2.gif";
but_partners = new Image();
but_partners.src = "graphics/but_partners2.gif";
but_contact = new Image();
but_contact.src = "graphics/but_contact2.gif";

// submenu
var lastMenu = "";
var timer;
function showMenu(menu) {
    document.getElementById(menu).style.visibility = "visible";
    if (lastMenu != "" && lastMenu != menu) {
        document.getElementById(lastMenu).style.visibility = "hidden";
    }
    clearTimeout(timer);
    lastMenu = menu;
}
function hideMenu(menu) {
    if (menu == "") {
        menu = lastMenu;
    }
    if (menu != "") {
        document.getElementById(menu).style.visibility = "hidden";
    }
}
function timeOutMenu(menu) {
    // hide menu after x seconds mouseout
    timer = setTimeout( "hideMenu('"+menu+"');", 1000 );
}

//-->