$ (document).ready (function () { 
    // product page lightbox 
    $('a[@rel*=lightbox]').lightBox({ 
        imageLoading: '/images/lightbox-ico-loading.gif', 
        imageBtnClose: '/images/lightbox-btn-close.gif', 
        imageBtnPrev: '/images/lightbox-btn-prev.gif', 
        imageBtnNext: '/images/lightbox-btn-next.gif' 
    });
});