<a href="large.jpg" class="lightbox" title="Image caption text."> <img src="thumbnail.jpg" alt=""> </a> $(".lightbox").lightbox(); <a href="large_1.jpg" class="lightbox" data-lightbox-gallery="gallery_name" title="Image caption text."> <img src="thumbnail_1.jpg" alt=""> </a> <a href="large_2.jpg" class="lightbox" data-lightbox-gallery="gallery_name" title="Image caption text."> <img src="thumbnail