diff --git a/main/admin/add_courses_to_usergroup.php b/main/admin/add_courses_to_usergroup.php
index ca40194a99..2e5dba3c29 100644
--- a/main/admin/add_courses_to_usergroup.php
+++ b/main/admin/add_courses_to_usergroup.php
@@ -82,28 +82,28 @@ $errorMsg   = '';
 $sessions=array();
 $usergroup = new UserGroup();
 $id = intval($_GET['id']);
-if($_POST['form_sent']) {
-    $form_sent              = $_POST['form_sent'];    
-    $elements_posted        = $_POST['elements_in_name'];     
+if ($_POST['form_sent']) {
+    $form_sent = $_POST['form_sent'];
+    $elements_posted = $_POST['elements_in_name'];
     if (!is_array($elements_posted)) {
         $elements_posted=array();
     }
     if ($form_sent == 1) {
         $usergroup->subscribe_courses_to_usergroup($id, $elements_posted);
         header('Location: usergroups.php');
-        exit;        
+        exit;
     }
 }
 $data               = $usergroup->get($id);
 $course_list_in     = $usergroup->get_courses_by_usergroup($id);
-$course_list        = CourseManager::get_courses_list(0,0,'title');
+$course_list        = CourseManager::get_courses_list(0, 0, 'title');
 
 //api_display_tool_title($tool_name.' ('.$session_info['name'].')');
 $elements_not_in = $elements_in= array();
 
 if (!empty($course_list)) {
-    foreach($course_list as $item) {        
-        if (in_array($item['id'], $course_list_in)) {            
+    foreach ($course_list as $item) {
+        if (in_array($item['id'], $course_list_in)) {
             $elements_in[$item['id']] = $item['title']." (".$item['visual_code'].")";
         } else {
             $elements_not_in[$item['id']] = $item['title']." (".$item['visual_code'].")";
@@ -114,8 +114,9 @@ $ajax_search = $add_type == 'unique' ? true : false;
 
 //checking for extra field with filter on
 
-function search($needle,$type) {
-    global $tbl_user,$elements_in;
+function search($needle,$type)
+{
+    global $elements_in;
     $xajax_response = new XajaxResponse();
     $return = '';
     if (!empty($needle) && !empty($type)) {
@@ -135,8 +136,7 @@ function search($needle,$type) {
                 ' LIMIT 11';*/
         } else {
             $list = CourseManager::get_courses_list(0, 0, 2, 'ASC', -1, $needle);
-        }     
-        $i=0;        
+        }
         if ($type=='single') {
             /*
             while ($user = Database :: fetch_array($rs)) {
@@ -151,42 +151,45 @@ function search($needle,$type) {
             $xajax_response -> addAssign('ajax_list_users_single','innerHTML',api_utf8_encode($return));*/
         } else {
             $return .= '<select id="elements_not_in" name="elements_not_in_name[]" multiple="multiple" size="15" style="width:360px;">';
-            
-            foreach ($list as $row ) {         
-                if (!in_array($row['id'], array_keys($elements_in))) {       
+
+            foreach ($list as $row) {
+                if (!in_array($row['id'], array_keys($elements_in))) {
                     $return .= '<option value="'.$row['id'].'">'.$row['title'].' ('.$row['visual_code'].')</option>';
                 }
             }
             $return .= '</select>';
-            $xajax_response -> addAssign('ajax_list_multiple','innerHTML',api_utf8_encode($return));
+            $xajax_response->addAssign('ajax_list_multiple', 'innerHTML', api_utf8_encode($return));
         }
     }
     return $xajax_response;
 }
-$xajax -> processRequests();
+
+$xajax->processRequests();
 
 Display::display_header($tool_name);
 
 if ($add_type == 'multiple') {
-    $link_add_type_unique = '<a href="'.api_get_self().'?id_session='.$id_session.'&add='.Security::remove_XSS($_GET['add']).'&add_type=unique">'.Display::return_icon('single.gif').get_lang('SessionAddTypeUnique').'</a>';
+    $link_add_type_unique = '<a href="'.api_get_self().'?id_session='.$id_session.'&add='.Security::remove_XSS($_GET['add']).'&add_type=unique">'.
+        Display::return_icon('single.gif').get_lang('SessionAddTypeUnique').'</a>';
     $link_add_type_multiple = Display::return_icon('multiple.gif').get_lang('SessionAddTypeMultiple');
 } else {
     $link_add_type_unique = Display::return_icon('single.gif').get_lang('SessionAddTypeUnique');
-    $link_add_type_multiple = '<a href="'.api_get_self().'?id_session='.$id_session.'&add='.Security::remove_XSS($_GET['add']).'&add_type=multiple">'.Display::return_icon('multiple.gif').get_lang('SessionAddTypeMultiple').'</a>';
+    $link_add_type_multiple = '<a href="'.api_get_self().'?id_session='.$id_session.'&add='.Security::remove_XSS($_GET['add']).'&add_type=multiple">'.
+        Display::return_icon('multiple.gif').get_lang('SessionAddTypeMultiple').'</a>';
 }
 
 echo '<div class="actions">';
-echo '<a href="usergroups.php">'.Display::return_icon('back.png',get_lang('Back'), array(), ICON_SIZE_MEDIUM).'</a>';       
+echo '<a href="usergroups.php">'.Display::return_icon('back.png',get_lang('Back'), array(), ICON_SIZE_MEDIUM).'</a>';
 echo '</div>';
 ?>
 
 <form name="formulaire" method="post" action="<?php echo api_get_self(); ?>?id=<?php echo $id; if(!empty($_GET['add'])) echo '&add=true' ; ?>" style="margin:0px;" <?php if($ajax_search){echo ' onsubmit="valide();"';}?>>
 
-<?php echo '<legend>'.$data['name'].': '.$tool_name.'</legend>'; 
+<?php echo '<legend>'.$data['name'].': '.$tool_name.'</legend>';
 
 if ($add_type=='multiple') {
     if (is_array($extra_field_list)) {
-        if (is_array($new_field_list) && count($new_field_list)>0 ) {
+        if (is_array($new_field_list) && count($new_field_list) > 0) {
             echo '<h3>'.get_lang('FilterUsers').'</h3>';
             foreach ($new_field_list as $new_field) {
                 echo $new_field['name'];
@@ -210,10 +213,10 @@ if ($add_type=='multiple') {
         }
     }
 }
-echo Display::input('hidden','id',$id);
-echo Display::input('hidden','form_sent','1');
-echo Display::input('hidden','add_type',null);
-if(!empty($errorMsg)) {
+echo Display::input('hidden', 'id', $id);
+echo Display::input('hidden', 'form_sent', '1');
+echo Display::input('hidden', 'add_type', null);
+if (!empty($errorMsg)) {
     Display::display_normal_message($errorMsg); //main API
 }
 ?>
@@ -230,12 +233,12 @@ if(!empty($errorMsg)) {
 <tr>
 <td align="center">
 <?php echo get_lang('FirstLetterCourseTitle'); ?> :
-     <select name="firstLetterUser" onchange = "xajax_search(this.value,'multiple')" >
-      <option value = "%">--</option>
-      <?php
-        echo Display :: get_alphabet_options();
-      ?>
-     </select>
+    <select name="firstLetterUser" onchange = "xajax_search(this.value,'multiple')" >
+    <option value = "%">--</option>
+    <?php
+    echo Display :: get_alphabet_options();
+    ?>
+    </select>
 </td>
 <td align="center">&nbsp;</td>
 </tr>
@@ -243,16 +246,16 @@ if(!empty($errorMsg)) {
 <tr>
   <td align="center">
   <div id="content_source">
-      <?php           
-      if (!($add_type=='multiple')) {        
+      <?php
+      if (!($add_type=='multiple')) {
         ?>
         <input type="text" id="user_to_add" onkeyup="xajax_search_users(this.value,'single')" />
         <div id="ajax_list_users_single"></div>
         <?php
-      } else {               
+      } else {
       ?>
       <div id="ajax_list_multiple">
-        <?php echo Display::select('elements_not_in_name',$elements_not_in, '',array('style'=>'width:360px', 'multiple'=>'multiple','id'=>'elements_not_in','size'=>'15px'),false); ?> 
+        <?php echo Display::select('elements_not_in_name', $elements_not_in, '', array('style'=>'width:360px', 'multiple'=>'multiple','id'=>'elements_not_in','size'=>'15px'),false); ?>
       </div>
     <?php
       }
@@ -294,8 +297,7 @@ if(!empty($errorMsg)) {
 </form>
 
 <script type="text/javascript">
-<!--
-function moveItem(origin , destination){
+function moveItem(origin , destination) {
 
     for(var i = 0 ; i<origin.options.length ; i++) {
         if(origin.options[i].selected) {
@@ -339,9 +341,7 @@ function valide(){
     document.forms.formulaire.submit();
 }
 
-
-function loadUsersInSelect(select){
-
+function loadUsersInSelect(select) {
     var xhr_object = null;
 
     if(window.XMLHttpRequest) // Firefox
@@ -351,12 +351,9 @@ function loadUsersInSelect(select){
     else  // XMLHttpRequest non supporté par le navigateur
     alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");
 
-    //xhr_object.open("GET", "loadUsersInSelect.ajax.php?id_session=<?php echo $id_session ?>&letter="+select.options[select.selectedIndex].text, false);
     xhr_object.open("POST", "loadUsersInSelect.ajax.php");
-
     xhr_object.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
 
-
     nosessionUsers = makepost(document.getElementById('elements_not_in'));
     sessionUsers = makepost(document.getElementById('elements_in'));
     nosessionClasses = makepost(document.getElementById('origin_classes'));
@@ -366,7 +363,6 @@ function loadUsersInSelect(select){
     xhr_object.onreadystatechange = function() {
         if(xhr_object.readyState == 4) {
             document.getElementById('content_source').innerHTML = result = xhr_object.responseText;
-            //alert(xhr_object.responseText);
         }
     }
 }
@@ -376,10 +372,8 @@ function makepost(select){
     var ret = "";
     for (i = 0 ; i<options.length ; i++)
         ret = ret + options[i].value +'::'+options[i].text+";;";
-
     return ret;
 }
--->
 </script>
 <?php
 Display::display_footer();