if images.size > 0
captions4js = find_captions(xmldir, images).collect { |e| e ? '"' + e.gsub('"', '\"') + '"' : '""' }.join(', ')
thumbnailspage4js = image2thumbnailpage4js.collect { |e| "\"#{e}\"" }.join(', ')
if images.size > 0
captions4js = find_captions(xmldir, images).collect { |e| e ? '"' + e.gsub('"', '\"') + '"' : '""' }.join(', ')
thumbnailspage4js = image2thumbnailpage4js.collect { |e| "\"#{e}\"" }.join(', ')