$(document).ready(function(){ $("div.thumbinner > a img").slimbox({/* Put custom options here */}, function(el) { url = el.src; if (url.indexOf('thumb') != -1) { url = url.substring(0, url.lastIndexOf('/')); url = url.replace('/thumb/', '/'); } description = $(el).parents("div.thumbinner").children("div.thumbcaption").text(); return [url, description]; }, function(el) { return (this == el); }); });