#ajax_loader {
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: url("ajax-loader.gif")/*tpa=http:///local/components/awik/ajax.loader/templates/.default/img/ajax-loader.gif*/ center center no-repeat #000;
    opacity: 0.5;
    z-index: 1000;
}