final WebMarkupContainer previewLink = createLinkToPreview(linkToPreview, modalActionWindow, modalWindowForm, documentModel);
add(previewLink);
previewLink.add(createThumbnailSmall(imageThumbnail, documentModel));


protected Component createThumbnailSmall(final String id, final IModel<BaseDocument> documentModel) {
        final BaseDocument document = documentModel.getObject();

        if (document.getType() == DocumentType.EMAIL) {
            final WebMarkupContainer imageContainer = new WebMarkupContainer(id);
            imageContainer.add(new AttributeAppender("src", new Model<String>("img/de_image2.jpg"), "; "));
            return imageContainer;
        }

        final DocumentVariation documentVariation = document.getDocumentVariation(DocumentVariationType.THUMBNAIL_SMALL);

        ImageResourceDescriptor imageDescriptor = null;
        if (documentVariation != null) {
            imageDescriptor = document.getImageResourceDescriptor((DocumentVariationImage) documentVariation);
        }

        final DocumentResource thumbnailResource = _documentOperations.getDocumentResource(imageDescriptor);

        if (thumbnailResource != null) {
        	String path = _fileRetrievalService.getPath(imageDescriptor.getFilePath());
            final ThumbnailWebResource resource = new ThumbnailWebResource(path);

           // final DynamicWebResource resource = getWebResource(thumbnailResource);
            final Image image = new Image(id, resource);
            return image;
        }

        return new InvisibleContainer(id);
    }