diff --git a/main/admin/class_information.php b/main/admin/class_information.php
index cfee15bd0b..b8d796ce67 100644
--- a/main/admin/class_information.php
+++ b/main/admin/class_information.php
@@ -50,22 +50,21 @@ if (count($users) > 0) {
         $table_header[] = array (get_lang('LastName'), true);
         $table_header[] = array (get_lang('FirstName'), true);
     }
-    $table_header[] = array (get_lang('LoginName'), true);
     $table_header[] = array (get_lang('Email'), true);
     $table_header[] = array (get_lang('Status'), true);
     $table_header[] = array ('', false);
     $data = array();
     foreach($users as $index => $user) {
+        $username = sprintf(get_lang('LoginX'), $user['username']);
         $row = array ();
         $row[] = $user['official_code'];
         if ($is_western_name_order) {
             $row[] = $user['firstname'];
-            $row[] = $user['lastname'];
+            $row[] = "<span title='$username'>".$user['lastname']."</span>";
         } else {
-            $row[] = $user['lastname'];
+            $row[] = "<span title='$username'>".$user['lastname']."</span>";
             $row[] = $user['firstname'];
         }
-        $row[] = $user['username'];
         $row[] = Display :: encrypted_mailto_link($user['email'], $user['email']);
         $row[] = $user['status'] == 5 ? get_lang('Student') : get_lang('Teacher');
         $row[] = '<a href="user_information.php?user_id='.$user['user_id'].'">'.Display::return_icon('synthese_view.gif').'</a>';
diff --git a/main/announcements/announcements.inc.php b/main/announcements/announcements.inc.php
index 6859629b6e..f91a907f68 100644
--- a/main/announcements/announcements.inc.php
+++ b/main/announcements/announcements.inc.php
@@ -572,7 +572,7 @@ class AnnouncementManager  {
 		echo "<select name=\"not_selected_form[]\" size=5 style=\"width:200px\" multiple>";
 		$group_users = GroupManager::get_subscribed_users($group_id);
 		foreach ($group_users as $user){
-			echo '<option value="'.$user['user_id'].'">'.api_get_person_name($user['firstname'], $user['lastname']).' ('.$user['username'].')'.'</option>';
+			echo '<option value="'.$user['user_id'].'" title="'.sprintf(get_lang('LoginX'), $user['username']).'" >'.api_get_person_name($user['firstname'], $user['lastname']).'</option>';
 		}
 		echo '</select>';	
 		echo "</td>";
@@ -623,8 +623,8 @@ class AnnouncementManager  {
 				if (is_array($to_already_selected)) {
 					if (!in_array("USER:".$this_user['user_id'],$to_already_selected)) // $to_already_selected is the array containing the users (and groups) that are already selected
 					{
-						echo "<option value=\"USER:".$this_user['user_id']."\">",
-							"", api_get_person_name($this_user['firstname'], $this_user['lastname'])." (".$this_user['username'].")",
+						echo "<option value=\"USER:".$this_user['user_id']."\" title='".sprintf(get_lang('LoginX'), $this_user['username'])."'>",
+							"", api_get_person_name($this_user['firstname'], $this_user['lastname']),
 							"</option>";
 					}
 				}
@@ -664,7 +664,7 @@ class AnnouncementManager  {
 				} else {
 					foreach($ref_array_users as $key=>$value){
 						if($value['user_id']==$id){
-							echo "<option value=\"".$groupuser."\">".api_get_person_name($value['firstname'], $value['lastname'])." (".$value['username'].")</option>";
+							echo "<option value=\"".$groupuser."\" title='".sprintf(get_lang('LoginX'), $value['username'])."'>".api_get_person_name($value['firstname'], $value['lastname'])."</option>";
 							break;
 						}
 					}
@@ -688,8 +688,8 @@ class AnnouncementManager  {
 				foreach($ref_array_users as $this_user) {
 					if (!is_array($to_already_selected) || !in_array("USER:".$this_user['user_id'],$to_already_selected)) // $to_already_selected is the array containing the users (and groups) that are already selected
 					{
-						echo	"<option value=\"USER:",$this_user['user_id'],"\">",
-							"", api_get_person_name($this_user['firstname'], $this_user['lastname'])." (".$this_user['username'].")",
+						echo	"<option value=\"USER:",$this_user['user_id'],"\"  title='".sprintf(get_lang('LoginX'), $user['username'])."'>",
+							"", api_get_person_name($this_user['firstname'], $this_user['lastname']),
 							"</option>";
 					}
 				}
@@ -991,7 +991,7 @@ class AnnouncementManager  {
 				if (is_array($sent_to_array['users'])) {
 					foreach ($sent_to_array['users'] as $user_id) {
 						$user_info = api_get_user_info($user_id);
-						$output[] = api_get_person_name($user_info['firstname'], $user_info['lastname'])." (".$user_info['username'].")";
+						$output[] = '<span title="'.sprintf(get_lang('LoginX'), $user_info).'"'.api_get_person_name($user_info['firstname'], $user_info['lastname'])." (".$user_info['username'].")";
 					}
 				}
 			}			
diff --git a/main/announcements/announcements.php b/main/announcements/announcements.php
index 034e0dc12d..4ef4b5b81f 100644
--- a/main/announcements/announcements.php
+++ b/main/announcements/announcements.php
@@ -1136,8 +1136,10 @@ if ($display_announcement_list) {
     		    $title = Display::url($title.$attachment_icon, '?action=view&id='.$myrow['id']);
                 echo Display::tag('td', Security::remove_XSS($title), array('class' => $style));                
                 	
-                $user_info		= api_get_user_info($myrow['insert_user_id']);    						
-    			echo Display::tag('td', api_get_person_name($user_info['firstName'], $user_info['lastName']).' ('.$user_info['username'].')');
+                $user_info		= api_get_user_info($myrow['insert_user_id']);
+                $username = sprintf(get_lang("LoginX"), $user_info['username']);
+                $username_span = Display::tag('span', api_get_person_name($user_info['firstName'], $user_info['lastName']), array('title'=>$username));
+    			echo Display::tag('td', $username_span);
                 echo Display::tag('td', api_convert_and_format_date($myrow['insert_date'], DATE_TIME_FORMAT_LONG));                			
 
     			// we can edit if : we are the teacher OR the element belongs to the session we are coaching OR the option to allow users to edit is on