$(document).ready(function() {
    $('a.gal').lightBox({
        imageBlank: '/core/lightbox/images/lightbox-blank.gif',
        imageLoading: '/core/lightbox/images/lightbox-ico-loading.gif',
        imageBtnClose: '/core/lightbox/images/lightbox-btn-close.gif',
        imageBtnPrev: '/core/lightbox/images/lightbox-btn-prev.gif',
        imageBtnNext: '/core/lightbox/images/lightbox-btn-next.gif'
    });
});