diff --git a/code/cms/DMSUploadField.php b/code/cms/DMSUploadField.php
index ccdde6e..8fd8366 100644
--- a/code/cms/DMSUploadField.php
+++ b/code/cms/DMSUploadField.php
@@ -111,6 +111,10 @@ class DMSUploadField extends UploadField {
 
 					// Attach the file to the related record.
 					$document = $this->attachFile($file);
+					
+					//TODO: both $document->UploadFieldThumbnailURL and $document->UploadFieldFileButtons are null,
+					// check the code from UploadField.php where they use $file->UploadFieldThumbnailURL and $file->UploadFieldFileButtons
+					// and $file is_a File but in our case $document is a Document, that is why it doesn't work.
 
 					// Collect all output data.
 					$return = array_merge($return, array(
diff --git a/images/app_icons/audio_32.gif b/images/app_icons/audio_32.gif
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diff --git a/images/app_icons/doc_32.gif b/images/app_icons/doc_32.gif
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diff --git a/images/app_icons/generic_32.gif b/images/app_icons/generic_32.gif
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diff --git a/images/app_icons/image_32.gif b/images/app_icons/image_32.gif
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diff --git a/images/app_icons/mov_32.gif b/images/app_icons/mov_32.gif
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diff --git a/images/app_icons/pdf_32.gif b/images/app_icons/pdf_32.gif
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diff --git a/images/app_icons/xls_32.gif b/images/app_icons/xls_32.gif
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diff --git a/images/app_icons/zip_32.gif b/images/app_icons/zip_32.gif
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