diff --git a/main/document/record_audio.php b/main/document/record_audio.php
index 39d37b0cde..d7da120975 100644
--- a/main/document/record_audio.php
+++ b/main/document/record_audio.php
@@ -140,8 +140,6 @@ echo '<div class="actions">';
 		echo '<a href="document.php?'.api_get_cidreq().'&id='.$document_id.'">'.Display::return_icon('back.png',get_lang('BackTo').' '.get_lang('DocumentsOverview'),'','32').'</a>';
 echo '</div>';
 
-echo '<br/>';
-
 ?>
 <script language="JavaScript"> 
 function submitVoice() { 
@@ -218,4 +216,4 @@ if ($array_browser[0]=="Internet Explorer") {
 	echo '</form>';
 }
 echo '</div>';
-Display :: display_footer();
+Display :: display_footer();
\ No newline at end of file
diff --git a/main/forum/reply.php b/main/forum/reply.php
old mode 100755
new mode 100644
index 808577eb81..3b9a105d85
--- a/main/forum/reply.php
+++ b/main/forum/reply.php
@@ -31,7 +31,6 @@ $this_section = SECTION_COURSES;
 api_protect_course_script(true);
 
 // Including additional library scripts.
-require_once api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php';
 require_once api_get_path(LIBRARY_PATH).'groupmanager.lib.php';
 $nameTools = get_lang('ForumCategories');
 
@@ -111,7 +110,8 @@ if (isset($_POST['add_resources']) AND $_POST['add_resources'] == get_lang('Reso
 /* Header */
 
 if ($origin == 'learnpath') {
-    include api_get_path(INCLUDE_PATH).'reduced_header.inc.php';
+    //include api_get_path(INCLUDE_PATH).'reduced_header.inc.php';
+    Display :: display_reduced_header('');
 } else {
     // The last element of the breadcrumb navigation is already set in interbreadcrumb, so give an empty string.
     Display :: display_header('');
diff --git a/main/inc/lib/nanogong/receiver.php b/main/inc/lib/nanogong/receiver.php
index 59370419cc..f5a284fefa 100644
--- a/main/inc/lib/nanogong/receiver.php
+++ b/main/inc/lib/nanogong/receiver.php
@@ -6,7 +6,7 @@
  *
  *	@package chamilo.document
  *
- * @author Juan Carlos Raña Trabado
+ * @author Juan Carlos Ra�a Trabado
  * @since 5/mar/2011
 */
 /**
@@ -16,7 +16,7 @@ require_once '../../../inc/global.inc.php';
 require_once api_get_path(LIBRARY_PATH).'fileUpload.lib.php';
 
 //security. Nanogong need less security because under Firefox, Chrome..., not save user_id...
-if(api_get_setting('enable_nanogong') == 'false'){
+if (api_get_setting('enable_nanogong') == 'false'){
 	api_protect_course_script();
 	api_block_anonymous_users();
 }
@@ -56,10 +56,6 @@ if (!file_exists($documentPath)){
 	$relativeUrlPath=$dir;		
 	$doc_id = add_document($_course, $relativeUrlPath.$filename, 'file', filesize($documentPath), $title);
 	api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'DocumentAdded', $_user['user_id'], $groupId, null, null, null, $current_session_id);
-
-}
-else{
+} else {
 	return get_lang('FileExistRename');
-}
-
-?>
+}
\ No newline at end of file
diff --git a/main/template/default/skill/skill_tree.tpl b/main/template/default/skill/skill_tree.tpl
index 4154f190c9..fe2868ec94 100644
--- a/main/template/default/skill/skill_tree.tpl
+++ b/main/template/default/skill/skill_tree.tpl
@@ -350,7 +350,7 @@ $(document).ready( function() {
 </script>
 <div style="z-index: 1000;position: absolute;">
 <h2>Skills</h2>    
-<a s tyle="z-index: 1000"class="a_button gray" id="add_item_link" href="#">{"Add item"|get_lang}</a>
+<a style="z-index: 1000"class="a_button gray" id="add_item_link" href="#">{"Add item"|get_lang}</a>
 </div>
 {$html}