ps = [] img_dir = d.getEntry (path = '/images/n%s' % id, withSubs = True) for i in range (len (img_dir.subFolders)): ph.append ([]) _ps = '' for j in range (len (img_dir.subFolders[i].subFiles)): ph[i].append ('/directory/images/n%s/%s/%s' % (n.id, (i + 1), img_dir.subFolders[i].subFiles[j].name)) _ps = 'document.getElementById ("id_a_img_%s_%s").onclick = function () { show_viewer("id_%s","IMG", images%s, %s) }; %s' % (i, j, i, i, j, _ps)