var preloadFlag = false;
function preloadImages() {
if (document.images) {
pre_navbar_about_over = newImage('../img/nav/navbar_about_over.gif');
pre_navbar_service_over = newImage('../img/nav/navbar_service_over.gif');
pre_navbar_projects_over = newImage('../img/nav/navbar_projects_over.gif');
pre_navbar_safety_over = newImage('../img/nav/navbar_safety_over.gif');
pre_side_newsroom_down = newImage('../img/nav/side_newsroom_down.gif');
pre_side_press_down = newImage('../img/nav/side_press_down.gif');
preloadFlag = true;
}
}