diff --git a/main/inc/lib/fckeditor/editor/plugins/ajaxfilemanager/_ajax_get_thumbnail_listing.php b/main/inc/lib/fckeditor/editor/plugins/ajaxfilemanager/_ajax_get_thumbnail_listing.php
index 4d0823a76b..76f9f4796c 100644
--- a/main/inc/lib/fckeditor/editor/plugins/ajaxfilemanager/_ajax_get_thumbnail_listing.php
+++ b/main/inc/lib/fckeditor/editor/plugins/ajaxfilemanager/_ajax_get_thumbnail_listing.php
@@ -2,15 +2,14 @@
 <?php
 $count = 1;
 
-$thumbnailBaseUrl = appendQueryString(CONFIG_URL_IMG_THUMBNAIL, 'path='.base64_decode($_REQUEST['path']));
+$thumbnailBaseUrl = CONFIG_URL_IMG_THUMBNAIL;
 
-foreach($fileList as $file) {
+foreach ($fileList as $file) {
 	
 	///First step for hidden some type of Chamilo files and folders
 	//Juan Carlos Ra�a
 
 	//hidden files and folders deleted by Chamilo. Hidde folders css, hotpotatoes, chat, certificates
-
 	$deleted_by_chamilo_file=' DELETED '; // ' DELETED ' not '_DELETED_' because in $file['name'] _ is replaced with blank see class.manager.php
 	$deleted_by_chamilo_folder='_DELETED_';
 	$css_folder_chamilo='css';
@@ -37,56 +36,49 @@ foreach($fileList as $file) {
 	
 	///Second step: hiding as the case
 	//Juan Carlos Ra�a
-	if((!ereg($deleted_by_chamilo_file, $file['name']) && !ereg($deleted_by_chamilo_folder, $file['path'])) && !ereg($css_folder_chamilo, $file['path']) && !ereg($hotpotatoes_folder_chamilo, $file['path']) && !ereg($chat_files_chamilo, $file['path']) && !ereg($certificates_chamilo, $file['path']) && $show_doc_group && $file['name'][0]!='.')
-	{			
+	if ((!ereg($deleted_by_chamilo_file, $file['name']) && 
+		!ereg($deleted_by_chamilo_folder, $file['path'])) && 
+		!ereg($css_folder_chamilo, $file['path']) && 
+		!ereg($hotpotatoes_folder_chamilo, $file['path']) && 
+		!ereg($chat_files_chamilo, $file['path']) && 
+		!ereg($certificates_chamilo, $file['path']) && $show_doc_group && $file['name'][0]!='.') {		
 	
 	?>
 		<dl class="thumbnailListing" id="dl<?php echo $count; ?>">
                  <?php
-				 if(preg_match('/shared_folder/', basename($file['path'])))
-				 { //add icon into ajaxfilemanager if sharedfolder is in Chamilo
+				 if(preg_match('/shared_folder/', basename($file['path']))) {
+				 	//add icon into ajaxfilemanager if sharedfolder is in Chamilo
                 ?>
-
                 	<dt id="dt<?php echo $count; ?>" class="<?php echo ($file['type'] == 'folder' || empty($file['file']) || empty($file['subdir'])?'folderShared':$file['cssClass']); ?>" class="<?php echo $file['cssClass']; ?>">
                 <?php
-				}
-				elseif(preg_match('/sf_user_/', basename($file['path'])))
-				{				
+				} elseif(preg_match('/sf_user_/', basename($file['path']))) {				
 				?>
                 	<dt id="dt<?php echo $count; ?>" class="<?php echo ($file['type'] == 'folder' || empty($file['file']) || empty($file['subdir'])?'unknownUser':$file['cssClass']); ?>" class="<?php echo $file['cssClass']; ?>">
                 <?php
-				}
-				else
-				{
+				} else {
 				?>
-
                 	<dt id="dt<?php echo $count; ?>" class="<?php echo ($file['type'] == 'folder' && empty($file['file']) && empty($file['subdir'])?'folderEmpty':$file['cssClass']); ?>" class="<?php echo $file['cssClass']; ?>">
-
 		<?php
 		}
-		?>
-
-		<?php
-			switch($file['cssClass'])
-			{
-				case 'filePicture':
-						echo '<a id="thumbUrl' . $count . '" rel="thumbPhotos" href="' . $file['public_path'] . '">';
-						echo '<img src="' . appendQueryString($thumbnailBaseUrl, 'path=' . base64_encode($file['path'])) . '" id="thumbImg' . $count . '"></a>' . "\n";
-						break;
-				case 'fileFlash':
-				case 'fileVideo':
-				case 'fileMusic':
+		switch($file['cssClass']) {				
+			case 'filePicture':
+					echo '<a id="thumbUrl' . $count . '" rel="thumbPhotos" href="' . $file['public_path'] . '">';
+					echo '<img src="' . appendQueryString($thumbnailBaseUrl, 'path=' . base64_encode($file['path'])) . '" id="thumbImg' . $count . '"></a>' . "\n";
 					break;
-				default:
-					echo '&nbsp;';
-			}
-			if(Security::remove_XSS($_GET['editor'])!='stand_alone'){										
-				$path_chamilo_file='../'.$file['path'];// fix for makes a good show when pressed next on window preview, don't only one image
-			}
-			else{
-				$path_chamilo_file=$file['path'];
-			}
-		?>
+			case 'fileFlash':
+			case 'fileVideo':
+			case 'fileMusic':
+				break;
+			default:
+				echo '&nbsp;';
+		}
+		if(Security::remove_XSS($_GET['editor'])!='stand_alone'){										
+			$path_chamilo_file='../'.$file['path'];// fix for makes a good show when pressed next on window preview, don't only one image
+		}
+		else{
+			$path_chamilo_file=$file['path'];
+		}
+	?>
 		
 		</dt>
 		<dd id="dd<?php echo $count; ?>" class="thumbnailListing_info"><span id="flag<?php echo $count; ?>" class="<?php echo $file['flag']; ?>">&nbsp;</span><input id="cb<?php echo $count; ?>" type="checkbox" name="check[]" <?php echo ($file['is_writable']?'':'disabled'); ?> class="radio" value="<?php echo $file['path']; ?>" />