diff --git a/main/newscorm/aicc.class.php b/main/newscorm/aicc.class.php
index 5f384e4431..7229bfe4db 100755
--- a/main/newscorm/aicc.class.php
+++ b/main/newscorm/aicc.class.php
@@ -323,7 +323,7 @@ class aicc extends learnpath {
 	}
 
 	/**
-	 * Imports a zip file (presumably AICC) into the Dokeos structure
+	 * Imports a zip file (presumably AICC) into the Chamilo structure
 	 * @param	string	Zip file info as given by $_FILES['userFile']
 	 * @return	string	Absolute path to the AICC config files directory or empty string on error
 	 */
diff --git a/main/newscorm/aicc_hacp.php b/main/newscorm/aicc_hacp.php
index 0eba1700e2..f99f1042a2 100755
--- a/main/newscorm/aicc_hacp.php
+++ b/main/newscorm/aicc_hacp.php
@@ -16,7 +16,7 @@
  * This script is divided into three sections.
  * The first section (below) is the initialisation part.
  * The second section is the AICC object part
- * The third section defines the event handlers for Dokeos' internal messaging
+ * The third section defines the event handlers for Chamilo's internal messaging
  * and frames refresh
  *
  * This script implements the HACP messaging for AICC. The API messaging is
diff --git a/main/newscorm/learnpathItem.class.php b/main/newscorm/learnpathItem.class.php
index 54d1891c88..74855bf432 100755
--- a/main/newscorm/learnpathItem.class.php
+++ b/main/newscorm/learnpathItem.class.php
@@ -283,7 +283,7 @@ class learnpathItem {
 
 	/**
 	 * Gets the credit information (rather scorm-stuff) based on current status and reinit
-	 * autorization. Credit tells the sco(content) if Dokeos will record the data it is sent (credit) or not (no-credit)
+	 * autorization. Credit tells the sco(content) if Chamilo will record the data it is sent (credit) or not (no-credit)
 	 * @return	string	'credit' or 'no-credit'. Defaults to 'credit' because if we don't know enough about this item, it's probably because it was never used before.
 	 */
 	public function get_credit() {
@@ -479,7 +479,7 @@ class learnpathItem {
 
 	/**
 	 * Gets the launch_data field found in imsmanifests (this is SCORM- or AICC-related, really)
-	 * @return	string	Launch data as found in imsmanifest and stored in Dokeos (read only). Defaults to ''.
+	 * @return	string	Launch data as found in imsmanifest and stored in Chamilo (read only). Defaults to ''.
 	 */
 	public function get_launch_data() {
 		if (self::debug > 0) { error_log('New LP - In learnpathItem::get_launch_data()', 0); }
@@ -501,7 +501,7 @@ class learnpathItem {
 	/**
 	 * Gets the lesson_mode (scorm feature, but might be used by aicc as well as dokeos paths)
 	 *
-	 * The "browse" mode is not supported yet (because there is no such way of seeing a sco in Dokeos)
+	 * The "browse" mode is not supported yet (because there is no such way of seeing a sco in Chamilo)
 	 * @return	string	'browse','normal' or 'review'. Defaults to 'normal'
 	 */
 	public function get_lesson_mode() {
@@ -647,7 +647,7 @@ class learnpathItem {
 	 * The list will generally include pictures, flash objects, java applets, or any other
 	 * stuff included in the source of the current item. The current item is expected
 	 * to be an HTML file. If it is not, then the function will return and empty list.
-	 * @param	string	type (one of the Dokeos tools) - optional (otherwise takes the current item's type)
+	 * @param	string	type (one of the Chamilo tools) - optional (otherwise takes the current item's type)
 	 * @param	string	path (absolute file path) - optional (otherwise takes the current item's path)
 	 * @param	int		level of recursivity we're in
 	 * @return	array	List of file paths. An additional field containing 'local' or 'remote' helps determine if the file should be copied into the zip or just linked
@@ -1185,7 +1185,7 @@ class learnpathItem {
 	 * @param	string	The prerequisites string as it figures in imsmanifest.xml
 	 * @param	Array	Array of items in the current learnpath object. Although we're in the learnpathItem object, it's necessary to have a list of all items to be able to check the current item's prerequisites
 	 * @param	Array	List of references (the "ref" column in the lp_item table) that are strings used in the expression of prerequisites.
-	 * @param	integer	The user ID. In some cases like Dokeos quizzes, it's necessary to have the user ID to query other tables (like the results of quizzes)
+	 * @param	integer	The user ID. In some cases like Chamilo quizzes, it's necessary to have the user ID to query other tables (like the results of quizzes)
 	 * @return	boolean	True if the list of prerequisites given is entirely satisfied, false otherwise
 	 */
 	public function parse_prereq($prereqs_string, $items, $refs_list, $user_id) {
diff --git a/main/newscorm/learnpath_functions.inc.php b/main/newscorm/learnpath_functions.inc.php
index 8e913b007a..5576c3a3f6 100755
--- a/main/newscorm/learnpath_functions.inc.php
+++ b/main/newscorm/learnpath_functions.inc.php
@@ -1161,7 +1161,7 @@ function exporttofile($filename, $LPname, $LPid, $content) {
 }
 
 /**
- * This function exports the given Dokeos test
+ * This function exports the given Chamilo test
  * @param	integer	Test ID
  * @return string 	The test itself as an HTML string
  */
@@ -1378,7 +1378,7 @@ function exportitem($id, $item_id, $item_type, $add_scorm_communications = false
 	$LPname = display_addedresource_link_in_learnpath($item_type, $item_id, '', $id, 'builder', 'nolink');
 
 	$expcontent = "<!--
-		This is an exported file from Dokeos Learning Path belonging to a Scorm compliant content package.
+		This is an exported file from Chamilo Learning Path belonging to a Scorm compliant content package.
 		Do not modify or replace individually.
 
 		Export module author : Denes Nagy <darkden@evk.bke.hu>
@@ -1718,7 +1718,7 @@ function exportitem($id, $item_id, $item_type, $add_scorm_communications = false
 					$src = str_replace('mp3player.swf?son=', '', $src); //mp3
 					// Remove funny link parts.
 					$src = str_replace('?0', '', $src); //mp3
-					// The previous lines are used when creating docs with Dokeos Document tool's htmlarea.
+					// The previous lines are used when creating docs with Chamilo Document tool's htmlarea.
 					// Rows marked by 'mp3' are needed because the mp3 plugin inserts the swf-mp3 links in a very strange way
 					// and we can decode them with those 3 lines, hoping this will not cause errors in case of other htmls,
 					// created by any other software.
diff --git a/main/newscorm/lp_add.php b/main/newscorm/lp_add.php
index 4090eb3095..da51ecfb72 100755
--- a/main/newscorm/lp_add.php
+++ b/main/newscorm/lp_add.php
@@ -2,7 +2,7 @@
 /* For licensing terms, see /license.txt */
 
 /**
- * This is a learning path creation and player tool in Dokeos - previously learnpath_handler.php
+ * This is a learning path creation and player tool in Chamilo - previously learnpath_handler.php
  *
  * @author Patrick Cool
  * @author Denes Nagy
diff --git a/main/newscorm/lp_add_item.php b/main/newscorm/lp_add_item.php
index fb1bab6965..2a63b25fe5 100755
--- a/main/newscorm/lp_add_item.php
+++ b/main/newscorm/lp_add_item.php
@@ -2,7 +2,7 @@
 /* For licensing terms, see /license.txt */
 
 /**
- * This is a learning path creation and player tool in Dokeos - previously
+ * This is a learning path creation and player tool in Chamilo - previously
  * learnpath_handler.php
  *
  * @author Patrick Cool
diff --git a/main/newscorm/lp_admin_view.php b/main/newscorm/lp_admin_view.php
index a904db3154..d5297454bf 100755
--- a/main/newscorm/lp_admin_view.php
+++ b/main/newscorm/lp_admin_view.php
@@ -2,7 +2,7 @@
 /* For licensing terms, see /license.txt */
 
 /**
- * This is a learning path creation and player tool in Dokeos - previously learnpath_handler.php
+ * This is a learning path creation and player tool in Chamilo - previously learnpath_handler.php
  *
  * @author Patrick Cool
  * @author Denes Nagy
diff --git a/main/newscorm/lp_ajax_switch_item.php b/main/newscorm/lp_ajax_switch_item.php
index 72ae3bc9b6..5968726372 100755
--- a/main/newscorm/lp_ajax_switch_item.php
+++ b/main/newscorm/lp_ajax_switch_item.php
@@ -123,8 +123,8 @@ function switch_item_details($lp_id, $user_id, $view_id, $current_item, $next_it
 	$mymax_time_allowed = $mylpi->get_max_time_allowed();
 	$mylaunch_data = $mylpi->get_launch_data();
 	/*
-	if($mylpi->get_type() == 'asset'){
-		//temporary measure to save completion of an asset. Later on, Dokeos should trigger something on unload, maybe... (even though that would mean the last item cannot be completed)
+	if ($mylpi->get_type() == 'asset') {
+		// Temporary measure to save completion of an asset. Later on, Chamilo should trigger something on unload, maybe... (even though that would mean the last item cannot be completed)
 		$mylesson_status = 'completed';
 		$mylpi->set_status('completed');
 		$mylpi->save();
diff --git a/main/newscorm/lp_ajax_switch_item_toc.php b/main/newscorm/lp_ajax_switch_item_toc.php
index 4dd43f358b..faef4bac71 100755
--- a/main/newscorm/lp_ajax_switch_item_toc.php
+++ b/main/newscorm/lp_ajax_switch_item_toc.php
@@ -115,8 +115,8 @@ function switch_item_toc($lp_id, $user_id, $view_id, $current_item, $next_item)
 	$mymax_time_allowed = $mylpi->get_max_time_allowed();
 	$mylaunch_data = $mylpi->get_launch_data();
 	/*
-	if($mylpi->get_type() == 'asset'){
-		//temporary measure to save completion of an asset. Later on, Dokeos should trigger something on unload, maybe... (even though that would mean the last item cannot be completed)
+	if ($mylpi->get_type() == 'asset') {
+		// Temporary measure to save completion of an asset. Later on, Chamilo should trigger something on unload, maybe... (even though that would mean the last item cannot be completed)
 		$mylesson_status = 'completed';
 		$mylpi->set_status('completed');
 		$mylpi->save();
diff --git a/main/newscorm/lp_build.php b/main/newscorm/lp_build.php
index 64829f1368..39018accd1 100755
--- a/main/newscorm/lp_build.php
+++ b/main/newscorm/lp_build.php
@@ -2,7 +2,7 @@
 /* For licensing terms, see /license.txt */
 
 /**
- * This is a learning path creation and player tool in Dokeos - previously learnpath_handler.php
+ * This is a learning path creation and player tool in Chamilo - previously learnpath_handler.php
  *
  * @author Patrick Cool
  * @author Denes Nagy
diff --git a/main/newscorm/lp_comm.server.php b/main/newscorm/lp_comm.server.php
index 59f0b7072b..e57ec187aa 100755
--- a/main/newscorm/lp_comm.server.php
+++ b/main/newscorm/lp_comm.server.php
@@ -335,8 +335,8 @@ function switch_item_details($lp_id, $user_id, $view_id, $current_item, $next_it
 	$mymax_time_allowed = $mylpi->get_max_time_allowed();
 	$mylaunch_data = $mylpi->get_launch_data();
 	/*
-	if($mylpi->get_type() == 'asset'){
-		//temporary measure to save completion of an asset. Later on, Dokeos should trigger something on unload, maybe... (even though that would mean the last item cannot be completed)
+	if ($mylpi->get_type() == 'asset') {
+		// Temporary measure to save completion of an asset. Later on, Chamilo should trigger something on unload, maybe... (even though that would mean the last item cannot be completed)
 		$mylesson_status = 'completed';
 		$mylpi->set_status('completed');
 		$mylpi->save();
diff --git a/main/newscorm/lp_edit_item.php b/main/newscorm/lp_edit_item.php
index 2a0d590065..27f4090a48 100755
--- a/main/newscorm/lp_edit_item.php
+++ b/main/newscorm/lp_edit_item.php
@@ -2,7 +2,7 @@
 /* For licensing terms, see /license.txt */
 
 /**
- * This is a learning path creation and player tool in Dokeos - previously learnpath_handler.php
+ * This is a learning path creation and player tool in Chamilo - previously learnpath_handler.php
  *
  * @author Patrick Cool
  * @author Denes Nagy
diff --git a/main/newscorm/lp_edit_item_prereq.php b/main/newscorm/lp_edit_item_prereq.php
index f75b792410..0244aa526e 100755
--- a/main/newscorm/lp_edit_item_prereq.php
+++ b/main/newscorm/lp_edit_item_prereq.php
@@ -2,7 +2,7 @@
 /* For licensing terms, see /license.txt */
 
 /**
- * This is a learning path creation and player tool in Dokeos - previously learnpath_handler.php
+ * This is a learning path creation and player tool in Chamilo - previously learnpath_handler.php
  *
  * @author Patrick Cool
  * @author Denes Nagy
diff --git a/main/newscorm/lp_move_item.php b/main/newscorm/lp_move_item.php
index c87bfb4d4b..9fbb5617b6 100755
--- a/main/newscorm/lp_move_item.php
+++ b/main/newscorm/lp_move_item.php
@@ -2,7 +2,7 @@
 /* For licensing terms, see /license.txt */
 
 /**
-* This is a learning path creation and player tool in Dokeos - previously learnpath_handler.php
+* This is a learning path creation and player tool in Chamilo - previously learnpath_handler.php
 *
 * @author Patrick Cool
 * @author Denes Nagy
diff --git a/main/newscorm/lp_toc.php b/main/newscorm/lp_toc.php
index 9c97b93fc2..6c768eb262 100755
--- a/main/newscorm/lp_toc.php
+++ b/main/newscorm/lp_toc.php
@@ -1,45 +1,51 @@
 <?php
 /* For licensing terms, see /license.txt */
+
 /**
  * Script opened in an iframe and containing the learning path's table of contents
  * @package chamilo.learnpath
  * @author Yannick Warnier <ywarnier@beeznest.org>
  */
-//flag to allow for anonymous user - needs to be set before global.inc.php
+
+// Flag to allow for anonymous user - needs to be set before global.inc.php.
 $use_anonymous = true;
-$language_file[] = "scormdocument";
-$language_file[] = "scorm";
-$language_file[] = "learnpath";
+
+$language_file[] = 'scormdocument';
+$language_file[] = 'scorm';
+$language_file[] = 'learnpath';
+
 require_once 'back_compat.inc.php';
 require_once 'learnpath.class.php';
 require_once 'scorm.class.php';
 require_once 'aicc.class.php';
 
 if (isset($_SESSION['lpobject'])) {
-	//if($debug>0) error_log('New LP - in lp_toc.php - SESSION[lpobject] is defined',0);
+	//if ($debug > 0) error_log('New LP - in lp_toc.php - SESSION[lpobject] is defined', 0);
 	$oLP = unserialize($_SESSION['lpobject']);
-	if(is_object($oLP)){
+	if (is_object($oLP)) {
 		$_SESSION['oLP'] = $oLP;
-	}else{
-		//error_log('New LP - in lp_toc.php - SESSION[lpobject] is not object - dying',0);
+	} else {
+		//error_log('New LP - in lp_toc.php - SESSION[lpobject] is not object - dying', 0);
 		die('Could not instanciate lp object');
 	}
 }
 $charset = $_SESSION['oLP']->encoding;
+
 $htmlHeadXtra[] = '<script language="JavaScript" type="text/javascript">
   var dokeos_xajax_handler = window.parent.oxajax;
 </script>';
-$scorm_css_header=true;
-$display_mode='';
-$lp_theme_css=$_SESSION['oLP']->get_theme();
+
+$scorm_css_header = true;
+$display_mode = '';
+$lp_theme_css = $_SESSION['oLP']->get_theme();
+
 include_once '../inc/reduced_header.inc.php';
 ?>
-<body>
-  <?php  echo $_SESSION['oLP']->get_html_toc();?><br/>
+<body dir="<?php echo api_get_text_direction(); ?>">
+  <?php echo $_SESSION['oLP']->get_html_toc();?><br />
 </body>
 </html>
 <?php
 if (!empty($_SESSION['oLP'])) {
 	$_SESSION['lpobject'] = serialize($_SESSION['oLP']);
 }
-?>
\ No newline at end of file
diff --git a/main/newscorm/lp_upload.php b/main/newscorm/lp_upload.php
index f3618abed3..26f4cde5b6 100755
--- a/main/newscorm/lp_upload.php
+++ b/main/newscorm/lp_upload.php
@@ -1,74 +1,69 @@
 <?php
 /* For licensing terms, see /license.txt */
+
 /**
  * Script managing the learnpath upload. To best treat the uploaded file, make sure we can identify it.
  * @package chamilo.learnpath
  * @author Yannick Warnier <ywarnier@beeznest.org>
  */
-/**
- * Script initialisations
- */
-//flag to allow for anonymous user - needs to be set before global.inc.php
+
+// Flag to allow for anonymous user - needs to be set before global.inc.php.
 $use_anonymous = true;
 require_once 'back_compat.inc.php';
-$course_dir  = api_get_course_path().'/scorm';
+$course_dir = api_get_course_path().'/scorm';
 $course_sys_dir = api_get_path(SYS_COURSE_PATH).$course_dir;
-if ( empty($_POST['current_dir']) ) {
+if (empty($_POST['current_dir'])) {
 	$current_dir = '';
 } else {
-    $current_dir = replace_dangerous_char(trim($_POST['current_dir']),'strict');
+	$current_dir = replace_dangerous_char(trim($_POST['current_dir']), 'strict');
 }
-$uncompress  = 1;
+$uncompress = 1;
 
-//error_log('New LP - lp_upload.php',0);
+//error_log('New LP - lp_upload.php', 0);
 /*
- * check the request method in place of a variable from POST
+ * Check the request method in place of a variable from POST
  * because if the file size exceed the maximum file upload
  * size set in php.ini, all variables from POST are cleared !
  */
 
-if ($_SERVER['REQUEST_METHOD'] == 'POST'
-	&& count($_FILES)>0
-	&& !empty($_FILES['user_file']['name'])
-	)
-{
+if ($_SERVER['REQUEST_METHOD'] == 'POST' && count($_FILES) > 0 && !empty($_FILES['user_file']['name'])) {
 
 	// A file upload has been detected, now deal with the file...
-	//directory creation
+
+	// Directory creation.
 
 	$stopping_error = false;
 
-	$s=$_FILES['user_file']['name'];
-	//get name of the zip file without the extension
+	$s = $_FILES['user_file']['name'];
+	// Get name of the zip file without the extension.
 	$info = pathinfo($s);
 	$filename = $info['basename'];
 	$extension = $info['extension'];
-	$file_base_name = str_replace('.'.$extension,'',$filename);
-
+	$file_base_name = str_replace('.'.$extension, '', $filename);
 
-	$new_dir = replace_dangerous_char(trim($file_base_name),'strict');
+	$new_dir = replace_dangerous_char(trim($file_base_name), 'strict');
 
 	require_once 'learnpath.class.php';
-	$type = learnpath::get_package_type($_FILES['user_file']['tmp_name'],$_FILES['user_file']['name']);
-	switch($type){
+	$type = learnpath::get_package_type($_FILES['user_file']['tmp_name'], $_FILES['user_file']['name']);
+	switch ($type) {
 		case 'scorm':
 			require_once 'scorm.class.php';
 			$oScorm = new scorm();
-			$manifest = $oScorm->import_package($_FILES['user_file'],$current_dir);
+			$manifest = $oScorm->import_package($_FILES['user_file'], $current_dir);
 			if (!$manifest) { //if api_set_failure
 				return api_failure::set_failure(api_failure::get_last_failure());
 			}
-			if(!empty($manifest)){
+			if (!empty($manifest)) {
 				$oScorm->parse_manifest($manifest);
 				$oScorm->import_manifest(api_get_course_id());
-			}else{
-				//show error message stored in $oScrom->error_msg
+			} else {
+				// Show error message stored in $oScrom->error_msg.
 			}
 
 			$proximity = '';
-			if(!empty($_REQUEST['content_proximity'])){$proximity = Database::escape_string($_REQUEST['content_proximity']);}
+			if (!empty($_REQUEST['content_proximity'])) { $proximity = Database::escape_string($_REQUEST['content_proximity']); }
 			$maker = '';
-			if(!empty($_REQUEST['content_maker'])){$maker = Database::escape_string($_REQUEST['content_maker']);}
+			if (!empty($_REQUEST['content_maker'])) { $maker = Database::escape_string($_REQUEST['content_maker']); }
 			$oScorm->set_proximity($proximity);
 			$oScorm->set_maker($maker);
 			$oScorm->set_jslib('scorm_api.php');
@@ -77,14 +72,14 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST'
 			require_once 'aicc.class.php';
 			$oAICC = new aicc();
 			$config_dir = $oAICC->import_package($_FILES['user_file']);
-			if(!empty($config_dir)){
+			if (!empty($config_dir)) {
 				$oAICC->parse_config_files($config_dir);
 				$oAICC->import_aicc(api_get_course_id());
 			}
 			$proximity = '';
-			if(!empty($_REQUEST['content_proximity'])){$proximity = Database::escape_string($_REQUEST['content_proximity']);}
+			if (!empty($_REQUEST['content_proximity'])) { $proximity = Database::escape_string($_REQUEST['content_proximity']); }
 			$maker = '';
-			if(!empty($_REQUEST['content_maker'])){$maker = Database::escape_string($_REQUEST['content_maker']);}
+			if (!empty($_REQUEST['content_maker'])) { $maker = Database::escape_string($_REQUEST['content_maker']); }
 			$oAICC->set_proximity($proximity);
 			$oAICC->set_maker($maker);
 			$oAICC->set_jslib('aicc_api.php');
@@ -106,44 +101,44 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST'
 			return api_failure::set_failure('not_a_learning_path');
 	}
 } // end if is_uploaded_file
-elseif($_SERVER['REQUEST_METHOD'] == 'POST')
-{
-	//if file name given to get in claroline/upload/, try importing this way
+elseif($_SERVER['REQUEST_METHOD'] == 'POST') {
+	// If file name given to get in claroline/upload/, try importing this way.
 
 	// A file upload has been detected, now deal with the file...
-	//directory creation
+
+	// Directory creation.
 
 	$stopping_error = false;
 
-	//escape path with basename so it can only be directly into the claroline/upload directory
-	$s=api_get_path(SYS_ARCHIVE_PATH).basename($_POST['file_name']);
-	//get name of the zip file without the extension
+	// Escape path with basename so it can only be directly into the claroline/upload directory.
+	$s = api_get_path(SYS_ARCHIVE_PATH).basename($_POST['file_name']);
+	// Get name of the zip file without the extension
 	$info = pathinfo($s);
 	$filename = $info['basename'];
 	$extension = $info['extension'];
-	$file_base_name = str_replace('.'.$extension,'',$filename);
-	$new_dir = replace_dangerous_char(trim($file_base_name),'strict');
+	$file_base_name = str_replace('.'.$extension, '', $filename);
+	$new_dir = replace_dangerous_char(trim($file_base_name), 'strict');
 
 	require_once 'learnpath.class.php';
 
-	$type = learnpath::get_package_type($s,basename($s));
-	switch($type){
+	$type = learnpath::get_package_type($s, basename($s));
+	switch ($type) {
 		case 'scorm':
 			require_once 'scorm.class.php';
 			$oScorm = new scorm();
-			$manifest = $oScorm->import_local_package($s,$current_dir);
+			$manifest = $oScorm->import_local_package($s, $current_dir);
 			if ($manifest === false ) { //if api_set_failure
 				return api_failure::set_failure(api_failure::get_last_failure());
 			}
-			if(!empty($manifest)){
+			if (!empty($manifest)) {
 				$oScorm->parse_manifest($manifest);
 				$oScorm->import_manifest(api_get_course_id());
 			}
 
 			$proximity = '';
-			if(!empty($_REQUEST['content_proximity'])){$proximity = Database::escape_string($_REQUEST['content_proximity']);}
+			if (!empty($_REQUEST['content_proximity'])) { $proximity = Database::escape_string($_REQUEST['content_proximity']); }
 			$maker = '';
-			if(!empty($_REQUEST['content_maker'])){$maker = Database::escape_string($_REQUEST['content_maker']);}
+			if (!empty($_REQUEST['content_maker'])) {$maker = Database::escape_string($_REQUEST['content_maker']); }
 			$oScorm->set_proximity($proximity);
 			$oScorm->set_maker($maker);
 			$oScorm->set_jslib('scorm_api.php');
@@ -151,15 +146,15 @@ elseif($_SERVER['REQUEST_METHOD'] == 'POST')
 		case 'aicc':
 			require_once 'aicc.class.php';
 			$oAICC = new aicc();
-			$config_dir = $oAICC->import_local_package($s,$current_dir);
-			if(!empty($config_dir)){
+			$config_dir = $oAICC->import_local_package($s, $current_dir);
+			if (!empty($config_dir)) {
 				$oAICC->parse_config_files($config_dir);
 				$oAICC->import_aicc(api_get_course_id());
 			}
 			$proximity = '';
-			if(!empty($_REQUEST['content_proximity'])){$proximity = Database::escape_string($_REQUEST['content_proximity']);}
+			if (!empty($_REQUEST['content_proximity'])) { $proximity = Database::escape_string($_REQUEST['content_proximity']); }
 			$maker = '';
-			if(!empty($_REQUEST['content_maker'])){$maker = Database::escape_string($_REQUEST['content_maker']);}
+			if (!empty($_REQUEST['content_maker'])) { $maker = Database::escape_string($_REQUEST['content_maker']); }
 			$oAICC->set_proximity($proximity);
 			$oAICC->set_maker($maker);
 			$oAICC->set_jslib('aicc_api.php');
@@ -169,4 +164,3 @@ elseif($_SERVER['REQUEST_METHOD'] == 'POST')
 			return api_failure::set_failure('not_a_learning_path');
 	}
 }
-?>
diff --git a/main/newscorm/lp_view.lib.js b/main/newscorm/lp_view.lib.js
old mode 100644
new mode 100755
index 3e83a347c9..2120d684fe
--- a/main/newscorm/lp_view.lib.js
+++ b/main/newscorm/lp_view.lib.js
@@ -1,5 +1,5 @@
 /***********************************************
-* IFrame SSI script II- � Dynamic Drive DHTML code library (http://www.dynamicdrive.com)
+* IFrame SSI script II- Dynamic Drive DHTML code library (http://www.dynamicdrive.com)
 * Visit DynamicDrive.com for hundreds of original DHTML scripts
 * This notice must stay intact for legal use
 ***********************************************/
diff --git a/main/newscorm/lp_view.php b/main/newscorm/lp_view.php
index d85ad72237..56a7e5f348 100755
--- a/main/newscorm/lp_view.php
+++ b/main/newscorm/lp_view.php
@@ -1,5 +1,6 @@
 <?php
 /* For licensing terms, see /license.txt */
+
 /**
 * This file was originally the copy of document.php, but many modifications happened since then ;
 * the direct file view is not needed anymore, if the user uploads a scorm zip file, a directory
@@ -10,15 +11,13 @@
 * @author Denes Nagy, principal author
 * @author Isthvan Mandak, several new features
 * @author Roan Embrechts, code improvements and refactoring
-* @license	GNU/GPL - See Dokeos license directory for details
+* @license	GNU/GPL - See Chamilo license directory for details
 */
-/**
- * Script
- */
-/*	INIT SECTION */
+
+/* INIT SECTION */
 
 $_SESSION['whereami'] = 'lp/view';
-$this_section=SECTION_COURSES;
+$this_section = SECTION_COURSES;
 
 if ($lp_controller_touched != 1){
 	header('location: lp_controller.php?action=view&item_id='.$_REQUEST['item_id']);
@@ -37,7 +36,7 @@ require_once 'learnpathItem.class.php';
 
 if (!$is_allowed_in_course) api_not_allowed();
 
-// we set the encoding of the lp
+// We set the encoding of the lp.
 if (!empty($_SESSION['oLP']->encoding)) {
 	$charset = $_SESSION['oLP']->encoding;
 } else {
@@ -47,19 +46,19 @@ if (!empty($_SESSION['oLP']->encoding)) {
 $oLearnpath		= false;
 $course_code 	= api_get_course_id();
 $user_id 		= api_get_user_id();
-$platform_theme = api_get_setting('stylesheets'); 	// plataform's css
+$platform_theme = api_get_setting('stylesheets'); // Plataform's css.
 $my_style		= $platform_theme;
-//escape external variables
+// Escape external variables.
 
 /* 	Header  */
-$htmlHeadXtra[] = '<script src="../inc/lib/javascript/jquery.js" type="text/javascript" language="javascript"></script>'; //jQuery
+
+$htmlHeadXtra[] = '<script src="../inc/lib/javascript/jquery.js" type="text/javascript" language="javascript"></script>';
 
 if (api_get_setting('show_glossary_in_documents') == 'ismanual' || api_get_setting('show_glossary_in_documents') == 'isautomatic' ) {
 	$htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.frameready.js" type="text/javascript" language="javascript"></script>';
 	$htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.highlight.js" type="text/javascript" language="javascript"></script>';
 }
 
-
 $htmlHeadXtra[] = '<script language="javascript" type="text/javascript">
 $(document).ready(function (){
     $("div#log_content_cleaner").bind("click", function(){
@@ -72,25 +71,26 @@ $htmlHeadXtra[] = '<script language="JavaScript" type="text/javascript">
   	var dokeos_xajax_handler = window.oxajax;
 </script>';
 
-
 $_SESSION['oLP']->error = '';
 $lp_type 	= $_SESSION['oLP']->get_type();
 $lp_item_id = $_SESSION['oLP']->get_current_item_id();
 //$lp_item_id = learnpath::escape_string($_GET['item_id']);
-//$_SESSION['oLP']->set_current_item($lp_item_id); // already done by lp_controller.php
+//$_SESSION['oLP']->set_current_item($lp_item_id); // Already done by lp_controller.php.
 
-//Prepare variables for the test tool (just in case) - honestly, this should disappear later on
+// Prepare variables for the test tool (just in case) - honestly, this should disappear later on.
 $_SESSION['scorm_view_id'] = $_SESSION['oLP']->get_view_id();
 $_SESSION['scorm_item_id'] = $lp_item_id;
 $_SESSION['lp_mode'] = $_SESSION['oLP']->mode;
-//reinit exercises variables to avoid spacename clashes (see exercise tool)
-if(isset($exerciseResult) or isset($_SESSION['exerciseResult'])) {
+
+// Reinit exercises variables to avoid spacename clashes (see exercise tool)
+if (isset($exerciseResult) || isset($_SESSION['exerciseResult'])) {
     api_session_unregister($exerciseResult);
 }
 unset($_SESSION['objExercise']);
 unset($_SESSION['questionList']);
+
 /**
- * Get a link to the corresponding document
+ * Get a link to the corresponding document.
  */
 if (!isset($src)) {
  	$src = '';
@@ -99,39 +99,39 @@ if (!isset($src)) {
 			$_SESSION['oLP']->stop_previous_item();
 			$htmlHeadXtra[] = '<script src="scorm_api.php" type="text/javascript" language="javascript"></script>';
 			$prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
-			if($prereq_check === true){
-				$src = $_SESSION['oLP']->get_link('http',$lp_item_id);
-				//Prevents FF 3.6 + Adobe Reader 9 bug see BT#794 when calling a pdf file in a LP
+			if ($prereq_check === true) {
+				$src = $_SESSION['oLP']->get_link('http', $lp_item_id);
+				//Prevents FF 3.6 + Adobe Reader 9 bug see BT#794 when calling a pdf file in a LP.
 				$file_info = pathinfo($src);
 				if (api_strtolower(substr($file_info['extension'], 0, 3) == 'pdf')) {
 					$src = 'lp_view_item.php?src='.$src;
 				}
-				$_SESSION['oLP']->start_current_item(); //starts time counter manually if asset
+				$_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
 			} else {
 				$src = 'blank.php?error=prerequisites';
 			}
 			break;
 		case 2:
-			//save old if asset
-			$_SESSION['oLP']->stop_previous_item(); //save status manually if asset
+			// save old if asset
+			$_SESSION['oLP']->stop_previous_item(); // save status manually if asset
 			$htmlHeadXtra[] = '<script src="scorm_api.php" type="text/javascript" language="javascript"></script>';
 			$prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
-			if($prereq_check === true){
+			if ($prereq_check === true) {
 				$src = $_SESSION['oLP']->get_link('http',$lp_item_id);
-				$_SESSION['oLP']->start_current_item(); //starts time counter manually if asset
-			}else{
-			$src = 'blank.php?error=prerequisites';
+				$_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
+			} else {
+				$src = 'blank.php?error=prerequisites';
 			}
 			break;
 		case 3:
-			//aicc
-			$_SESSION['oLP']->stop_previous_item(); //save status manually if asset
+			// aicc
+			$_SESSION['oLP']->stop_previous_item(); // save status manually if asset
 			$htmlHeadXtra[] = '<script src="'.$_SESSION['oLP']->get_js_lib().'" type="text/javascript" language="javascript"></script>';
 			$prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
-			if($prereq_check === true){
+			if ($prereq_check === true) {
 				$src = $_SESSION['oLP']->get_link('http',$lp_item_id);
-				$_SESSION['oLP']->start_current_item(); //starts time counter manually if asset
-			}else{
+				$_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
+			} else {
 				$src = 'blank.php';
 			}
 			break;
@@ -144,13 +144,13 @@ $list = $_SESSION['oLP']->get_toc();
 $type_quiz = false;
 
 foreach($list as $toc) {
-	if ($toc['id'] == $lp_item_id && ($toc['type']=='quiz') ) {
+	if ($toc['id'] == $lp_item_id && ($toc['type']=='quiz')) {
 		$type_quiz = true;
 	}
 }
 
 $autostart = 'true';
-// update status,total_time from lp_item_view table when you finish the exercises in learning path
+// Update status, total_time from lp_item_view table when you finish the exercises in learning path.
 if ($type_quiz && !empty($_REQUEST['exeId']) && isset($_GET['lp_id']) && isset($_GET['lp_item_id'])) {
 	global $src;
 	$_SESSION['oLP']->items[$_SESSION['oLP']->current]->write_to_db();
@@ -185,13 +185,13 @@ if ($type_quiz && !empty($_REQUEST['exeId']) && isset($_GET['lp_id']) && isset($
 		$res_last_attempt = Database::query($sql_last_attempt);
 		$row_last_attempt = Database::fetch_row($res_last_attempt);
 
-		if (Database::num_rows($res_last_attempt)>0) {
+		if (Database::num_rows($res_last_attempt) > 0) {
 			$sql_upd_score = "UPDATE $TBL_LP_ITEM_VIEW SET score = $score,total_time = $mytime WHERE id='".$row_last_attempt[0]."'";
 			Database::query($sql_upd_score);
 		}
 	}
 
-	if(intval($_GET['fb_type']) > 0) {
+	if (intval($_GET['fb_type']) > 0) {
 		$src = 'blank.php?msg=exerciseFinished';
 	} else {
 		$src = api_get_path(WEB_CODE_PATH).'exercice/exercise_show.php?id='.Security::remove_XSS($_REQUEST['exeId']).'&origin=learnpath&learnpath_id='.Security::remove_XSS($_GET['lp_id']).'&learnpath_item_id='.Security::remove_XSS($_GET['lp_id']).'&fb_type='.Security::remove_XSS($_GET['fb_type']);
@@ -202,29 +202,31 @@ if ($type_quiz && !empty($_REQUEST['exeId']) && isset($_GET['lp_id']) && isset($
 $_SESSION['oLP']->set_previous_item($lp_item_id);
 $nameTools = Security :: remove_XSS(api_convert_encoding($_SESSION['oLP']->get_name(), $charset, api_get_system_encoding()));
 
-$save_setting = api_get_setting("show_navigation_menu");
+$save_setting = api_get_setting('show_navigation_menu');
 global $_setting;
 $_setting['show_navigation_menu'] = 'false';
-$scorm_css_header=true;
-$lp_theme_css=$_SESSION['oLP']->get_theme(); //sets the css theme of the LP this call is also use at the frames (toc, nav, message)
+$scorm_css_header = true;
+$lp_theme_css = $_SESSION['oLP']->get_theme(); // Sets the css theme of the LP this call is also use at the frames (toc, nav, message).
 
-if($_SESSION['oLP']->mode == 'fullscreen') {
+if ($_SESSION['oLP']->mode == 'fullscreen') {
 	$htmlHeadXtra[] = "<script>window.open('$src','content_id','toolbar=0,location=0,status=0,scrollbars=1,resizable=1');</script>";
 }
-	//not fullscreen mode
+
+	// Not in fullscreen mode.
 	require_once '../inc/reduced_header.inc.php';
-	//$displayAudioRecorder = (api_get_setting('service_visio','active')=='true') ? true : false;
-	//check if audio recorder needs to be in studentview
-	$course_id=$_SESSION["_course"]["id"];
-	if ($_SESSION["status"][$course_id]==5) {
+	//$displayAudioRecorder = (api_get_setting('service_visio', 'active') == 'true') ? true : false;
+	// Check if audio recorder needs to be in studentview.
+	$course_id = $_SESSION['_course']['id'];
+	if ($_SESSION['status'][$course_id] == 5) {
 		$audio_recorder_studentview = true;
 	} else {
 		$audio_recorder_studentview = false;
 	}
-	//set flag to ensure lp_header.php is loaded by this script (flag is unset in lp_header.php)
+	// Set flag to ensure lp_header.php is loaded by this script (flag is unset in lp_header.php).
 	$_SESSION['loaded_lp_view'] = true;
+
 ?>
-<body>
+<body dir="<?php echo api_get_text_direction(); ?>">
 <div id="learning_path_main"  style="width:100%;height:100%;" >
     <div id="learning_path_left_zone" style="float:left;width:280px;height:100%">
 
@@ -234,10 +236,10 @@ if($_SESSION['oLP']->mode == 'fullscreen') {
 	            <table>
 	                <tr>
 	                    <td>
-	                        <a href="lp_controller.php?action=return_to_course_homepage&<?php echo api_get_cidreq(); ?>" target="_self" onclick="window.parent.API.save_asset();"><img src="../img/lp_arrow.gif" /></a>
+	                        <a href="lp_controller.php?action=return_to_course_homepage&<?php echo api_get_cidreq(); ?>" target="_self" onclick="javascript: window.parent.API.save_asset();"><img src="../img/lp_arrow.gif" /></a>
 	                    </td>
 	                    <td>
-	                        <a class="link" href="lp_controller.php?action=return_to_course_homepage&<?php echo api_get_cidreq(); ?>" target="_self" onclick="window.parent.API.save_asset();">
+	                        <a class="link" href="lp_controller.php?action=return_to_course_homepage&<?php echo api_get_cidreq(); ?>" target="_self" onclick="javascript: window.parent.API.save_asset();">
 	                        <?php echo api_convert_encoding(get_lang('CourseHomepageLink'), $charset, api_get_system_encoding()); ?></a>
 	                    </td>
 	                </tr>
@@ -277,7 +279,7 @@ if($_SESSION['oLP']->mode == 'fullscreen') {
 						$scorm_css_header = true;
 						$lp_theme_css = $_SESSION['oLP']->get_theme();
 
-						//Setting up the CSS theme if exists
+						// Setting up the CSS theme if exists.
 						if (!empty ($lp_theme_css) && !empty ($mycourselptheme) && $mycourselptheme != -1 && $mycourselptheme == 1) {
 							global $lp_theme_css;
 						} else {
@@ -290,7 +292,7 @@ if($_SESSION['oLP']->mode == 'fullscreen') {
 
 						$tbl_lp_item	= Database::get_course_table(TABLE_LP_ITEM);
 						$show_audioplayer = false;
-						// getting all the information about the item
+						// Getting all the information about the item.
 						$sql = "SELECT audio FROM " . $tbl_lp_item . " WHERE lp_id = '" . $_SESSION['oLP']->lp_id."'";
 						$res_media= Database::query($sql);
 
@@ -314,9 +316,9 @@ if($_SESSION['oLP']->mode == 'fullscreen') {
 		</div>
 
 		<!-- media player layaout -->
-		<?php $style_media = (($show_audioplayer)?' style= "position:relative;top:10px;left:10px;margin:8px;font-size:32pt;height:20px;"':'style="height:15px"'); ?>
-		<div id="media"  <?php echo $style_media ?>>
-			<?php echo (!empty($mediaplayer))?$mediaplayer:'&nbsp;' ?>
+		<?php $style_media = (($show_audioplayer) ? ' style= "position:relative;top:10px;left:10px;margin:8px;font-size:32pt;height:20px;"' : 'style="height:15px"'); ?>
+		<div id="media"  <?php echo $style_media; ?>>
+			<?php echo (!empty($mediaplayer)) ? $mediaplayer : '&nbsp;' ?>
 		</div>
 		<!-- end media player layaout -->
 
@@ -346,7 +348,7 @@ if($_SESSION['oLP']->mode == 'fullscreen') {
 	<div id="learning_path_right_zone" style="margin-left:282px;height:100%">
 	<?php
 		// hub 26-05-2010 Fullscreen or not fullscreen
-		if($_SESSION['oLP']->mode == 'fullscreen') {
+		if ($_SESSION['oLP']->mode == 'fullscreen') {
 			echo '<iframe id="content_id_blank" name="content_name_blank" src="blank.php" border="0" frameborder="0" style="width:100%;height:600px" ></iframe>';
 		} else {
 			echo '<iframe id="content_id" name="content_name" src="'.$src.'" border="0" frameborder="0"  style="width:100%;height:600px" ></iframe>';
@@ -356,11 +358,11 @@ if($_SESSION['oLP']->mode == 'fullscreen') {
     <!-- end right Zone -->
 </div>
 <script language="JavaScript" type="text/javascript">
-	// Need to be called after the <head> to be sure window.oxajax is defined
+	// Need to be called after the <head> to be sure window.oxajax is defined.
 	//var dokeos_xajax_handler = window.oxajax;
 </script>
 <script language="JavaScript" type="text/javascript">
-	// resize right and left pane to full height (HUB 20-05-2010)
+	// Resize right and left pane to full height (HUB 20-05-2010).
 	function updateContentHeight() {
 		document.body.style.overflow = 'hidden';
 		var IE = window.navigator.appName.match(/microsoft/i);
@@ -381,7 +383,7 @@ if($_SESSION['oLP']->mode == 'fullscreen') {
 			document.getElementById('content_id').style.height = innerHauteur + 'px';
 		}
 
-	//loads the glossary library
+	// Loads the glossary library.
 	<?php
 	  if (api_get_setting('show_glossary_in_extra_tools') == 'true') {
 	  	 if (api_get_setting('show_glossary_in_documents') == 'ismanual') {
@@ -419,5 +421,5 @@ if($_SESSION['oLP']->mode == 'fullscreen') {
 </script>
 </body>
 <?php
-//restore global setting
+// Restore a global setting.
 $_setting['show_navigation_menu'] = $save_setting;
diff --git a/main/newscorm/lp_view_item.php b/main/newscorm/lp_view_item.php
index 683ecb5532..79daefbfd4 100755
--- a/main/newscorm/lp_view_item.php
+++ b/main/newscorm/lp_view_item.php
@@ -1,25 +1,26 @@
 <?php
 /* For licensing terms, see /license.txt */
-/**
-* This is a learning path creation and player tool in Dokeos - previously learnpath_handler.php
-*
-* @author Patrick Cool
-* @author Denes Nagy
-* @author Roan Embrechts, refactoring and code cleaning
-* @author Yannick Warnier <ywarnier@beeznest.org> - cleaning and update for new SCORM tool
-* @package chamilo.learnpath
-*/
 
-//Prevents FF 3.6 + Adobe Reader 9 bug see BT#794 when calling a pdf file in a LP
-if(isset($_GET['src'])) {
-	// including the global file
+/**
+ * This is a learning path creation and player tool in Chamilo - previously learnpath_handler.php
+ *
+ * @author Patrick Cool
+ * @author Denes Nagy
+ * @author Roan Embrechts, refactoring and code cleaning
+ * @author Yannick Warnier <ywarnier@beeznest.org> - cleaning and update for new SCORM tool
+ * @package chamilo.learnpath
+ */
+
+// Prevents FF 3.6 + Adobe Reader 9 bug see BT#794 when calling a pdf file in a LP.
+if (isset($_GET['src'])) {
+	// Including the global initialization file.
 	require_once '../inc/global.inc.php';
 	api_protect_course_script();
-	//get parameter only came from lp_view.php
+	// Get parameter only came from lp_view.php.
 	$url_info 		= parse_url($_GET['src']);
 	$real_url_info	= parse_url(api_get_path(WEB_PATH));
 
-	//the host must be the same
+	// The host must be the same.
 	if ($url_info['host'] == $real_url_info['host']) {
 		header("Location: ".urldecode(Security::remove_XSS($_GET['src'])));
 		exit;
@@ -29,21 +30,20 @@ if(isset($_GET['src'])) {
 	}
 }
 
+/* INIT SECTION */
 
-/*		INIT SECTION */
 $_SESSION['whereami'] = 'lp/build';
-if(isset($_SESSION['oLP']) && isset($_GET['id'])) {
+if (isset($_SESSION['oLP']) && isset($_GET['id'])) {
 	$_SESSION['oLP'] -> current = intval($_GET['id']);
 }
 $this_section=SECTION_COURSES;
 
 api_protect_course_script();
 
-/*
-	Libraries
-*/
-//the main_api.lib.php, database.lib.php and display.lib.php
-//libraries are included by default
+/* Libraries */
+
+// The main_api.lib.php, database.lib.php and display.lib.php
+// libraries are included by default.
 
 require_once 'learnpath_functions.inc.php';
 //include '../resourcelinker/resourcelinker.inc.php';
@@ -52,16 +52,15 @@ require_once 'resourcelinker.inc.php';
 // name of the language file that needs to be included
 $language_file = "learnpath";
 
-
-/*	Header and action code 		*/
-/*	Constants and variables 	*/
-$is_allowed_to_edit = api_is_allowed_to_edit(null,true);
+/* Header and action code */
+/* Constants and variables */
+$is_allowed_to_edit = api_is_allowed_to_edit(null, true);
 
 $tbl_lp = Database::get_course_table(TABLE_LP_MAIN);
 $tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
 $tbl_lp_view = Database::get_course_table(TABLE_LP_VIEW);
 
-$isStudentView  = (empty($_REQUEST['isStudentView'])?0:(int) $_REQUEST['isStudentView']);
+$isStudentView  = (empty($_REQUEST['isStudentView']) ? 0 : (int) $_REQUEST['isStudentView']);
 $learnpath_id   = (int) $_REQUEST['lp_id'];
 /*
 $chapter_id     = $_GET['chapter_id'];
@@ -76,20 +75,18 @@ $moduleid       = $_REQUEST['moduleid'];
 $prereq         = $_REQUEST['prereq'];
 $type           = $_REQUEST['type'];
 */
-/*
-		MAIN CODE
-*/
-// using the resource linker as a tool for adding resources to the learning path
-if ($action=="add" and $type=="learnpathitem")
-{
+
+/* MAIN CODE */
+
+// Using the resource linker as a tool for adding resources to the learning path.
+if ($action == 'add' && $type == 'learnpathitem') {
 	 $htmlHeadXtra[] = "<script language='JavaScript' type='text/javascript'> window.location=\"../resourcelinker/resourcelinker.php?source_id=5&action=$action&learnpath_id=$learnpath_id&chapter_id=$chapter_id&originalresource=no\"; </script>";
 }
-if ( (! $is_allowed_to_edit) or ($isStudentView) )
-{
+if ((!$is_allowed_to_edit) || ($isStudentView)) {
 	error_log('New LP - User not authorized in lp_view_item.php');
 	header('location:lp_controller.php?action=view&lp_id='.$learnpath_id);
 }
-//from here on, we are admin because of the previous condition, so don't check anymore
+// From here on, we are admin because of the previous condition, so don't check anymore.
 
 $sql_query = "SELECT * FROM $tbl_lp WHERE id = $learnpath_id";
 $result=Database::query($sql_query);
@@ -97,33 +94,29 @@ $therow=Database::fetch_array($result);
 
 //$admin_output = '';
 /*
------------------------------------------------------------
 	Course admin section
 	- all the functions not available for students - always available in this case (page only shown to admin)
------------------------------------------------------------
 */
-/*		SHOWING THE ADMIN TOOLS	*/
-
 
+/* SHOWING THE ADMIN TOOLS	*/
 
-/*	prerequisites setting end	*/
-if (isset($_SESSION['gradebook'])){
-	$gradebook=	$_SESSION['gradebook'];
+if (isset($_SESSION['gradebook'])) {
+	$gradebook = $_SESSION['gradebook'];
 }
 
-if (!empty($gradebook) && $gradebook=='view') {
-	$interbreadcrumb[]= array (
+if (!empty($gradebook) && $gradebook == 'view') {
+	$interbreadcrumb[] = array (
 			'url' => '../gradebook/'.$_SESSION['gradebook_dest'],
 			'name' => get_lang('ToolGradebook')
 		);
 }
 
-$interbreadcrumb[]= array ("url"=>"lp_controller.php?action=list", "name"=> get_lang("_learning_path"));
-$interbreadcrumb[]= array ("url"=>api_get_self()."?action=build&lp_id=$learnpath_id", "name" => stripslashes("{$therow['name']}"));
+$interbreadcrumb[] = array('url' => 'lp_controller.php?action=list', 'name' => get_lang('_learning_path'));
+$interbreadcrumb[] = array('url' => api_get_self()."?action=build&lp_id=$learnpath_id", 'name' => stripslashes("{$therow['name']}"));
 
-//Theme calls
-$show_learn_path=true;
-$lp_theme_css=$_SESSION['oLP']->get_theme();
+// Theme calls
+$show_learn_path = true;
+$lp_theme_css = $_SESSION['oLP']->get_theme();
 
 Display::display_header(null,'Path');
 //api_display_tool_title($therow['name']);
@@ -154,14 +147,14 @@ function confirmation(name) {
 
 //echo $admin_output;
 
-/*	DISPLAY SECTION	*/
+/* DISPLAY SECTION	*/
 
 echo $_SESSION['oLP']->build_action_menu();
 echo '<table cellpadding="0" cellspacing="0" class="lp_build">';
 	echo '<tr>';
 		echo '<td class="tree">';
 			echo '<div class="lp_tree">';
-				//build the tree with the menu items in it
+				// Build the tree with the menu items in it.
 				echo $_SESSION['oLP']->build_tree();
 			echo '</div>';
 		echo '</td>';
@@ -171,6 +164,6 @@ echo '<table cellpadding="0" cellspacing="0" class="lp_build">';
 	echo '</tr>';
 echo '</table>';
 
-/*		FOOTER  	*/
+/* FOOTER */
+
 Display::display_footer();
-?>
\ No newline at end of file