在fancybox和响应式filemanager上的图像预览不工作(空字符串传递给getElementById()。)

I work with responsivefilemanager and fancybox for upload and add images_url and image preview gallery.when i click image in filemanager fancybox close and add preview to image box(NO IMAGE) BUT in fancybox 2.1.5 when i click in image fancybox not closed and not show image preview. my code work with fancybox 1.3.4 but with last version 2.1.5 not worked. and fancybox