gistfile1.js

         $(document).ready(function() {
             $(".photo").each(function(i, e) {
                 $zoom_id = i + '_zoom';
                 $show_link = $('<a class="jquery_link">Toggle Photo</a>');
                 $show_link.click(function () { $(this).siblings('img').toggle() });
                 $(this).append($show_link);
                 if (($original = $(this).find(".original")).size() > 0) {
                   $zoom_link = $('<a class="jquery_link">Zoom</a>');

                   $zoom_div = $('<div class="zoom"><img class="dialog_img" src="' + $original.attr("href") + '"/></div>');
                   $zoom_div.hide();
                   $(this).append($zoom_div);
                   $(this).append($zoom_link);
                   $zoom_link.click(function() { $(this).siblings("div.zoom").show(); $(this).siblings("div.zoom").dialog({ 
                     modal: true, 
                     overlay: { 
                       opacity: 0.5, 
                       background: "black" 
                     },
                     dragable: false,
                     resizable: false,
                     height: "90%",
                     width: "90%"
                   }); console.log($zoom_div)});
                 }
             });
         });