diff --git a/htdocs/admin/index.php b/htdocs/admin/index.php
index 84e3f391609..001ae9e051c 100644
--- a/htdocs/admin/index.php
+++ b/htdocs/admin/index.php
@@ -35,7 +35,7 @@ if (!$user->admin)
   accessforbidden();
 
 
-if ($_POST["action"] == 'update')
+if (isset($_POST["action"]) && $_POST["action"] == 'update')
 {
   dolibarr_set_const($db, "MAIN_INFO_SOCIETE_NOM",$_POST["nom"]);
   dolibarr_set_const($db, "MAIN_INFO_SOCIETE_PAYS",$_POST["pays_id"]);
@@ -59,7 +59,7 @@ print_titre($langs->trans("GlobalSetup"));
 
 print "<br>\n";
 
-if ($_GET["action"] == 'edit')
+if (isset($_GET["action"]) && $_GET["action"] == 'edit')
 {
   /*
    * Edition des paramètres
diff --git a/htdocs/includes/menus/barre_left/eldy.php b/htdocs/includes/menus/barre_left/eldy.php
index 89fdab4785b..e5aed820c5b 100644
--- a/htdocs/includes/menus/barre_left/eldy.php
+++ b/htdocs/includes/menus/barre_left/eldy.php
@@ -61,7 +61,7 @@ class MenuLeft {
     {
         global $user, $conf, $langs;
         
-        session_start();
+        if (! session_id()) session_start();    // En mode authentification PEAR, la session a déjà été ouverte
         
         $user->getrights("");
         
@@ -485,7 +485,7 @@ class MenuLeft {
                 
                   $langs->load("compta");
                   $newmenu->add(DOL_URL_ROOT."/adherents/index.php?leftmenu=accountancy&mainmenu=members",$langs->trans("Accountancy"),0,$user->rights->adherent->lire);
-                  $newmenu->add_submenu(DOL_URL_ROOT."/adherents/cotisations.php?leftmenu=accountancy",$langs->trans("Subscriptions"),0,$user->rights->adherent->lire);
+                  $newmenu->add_submenu(DOL_URL_ROOT."/adherents/cotisations.php?leftmenu=accountancy",$langs->trans("Subscriptions"),1,$user->rights->adherent->lire);
                   $langs->load("banks");
                   $newmenu->add_submenu(DOL_URL_ROOT."/compta/bank/index.php?leftmenu=accountancy",$langs->trans("Banks"),0,$user->rights->adherent->lire);
                 
diff --git a/htdocs/includes/menus/barre_top/eldy.php b/htdocs/includes/menus/barre_top/eldy.php
index b79e3292aea..8f8c4f2cc1f 100644
--- a/htdocs/includes/menus/barre_top/eldy.php
+++ b/htdocs/includes/menus/barre_top/eldy.php
@@ -60,7 +60,7 @@ class MenuTop {
     {
         global $user, $conf, $langs;
         
-        session_start();
+        if (! session_id()) session_start();    // En mode authentification PEAR, la session a déjà été ouverte
         
         $user->getrights("");
         
diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index ee26644fceb..037f4742ec4 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -94,9 +94,9 @@ if (! $user->login) accessforbidden();
 
 
 
-if (! defined(MAIN_INFO_SOCIETE_PAYS))
+if (! defined('MAIN_INFO_SOCIETE_PAYS'))
 {
-  define(MAIN_INFO_SOCIETE_PAYS,"1");
+  define('MAIN_INFO_SOCIETE_PAYS','1');
 }
 
 // On charge le fichier lang principal
@@ -203,7 +203,7 @@ function top_menu($head, $title="", $target="")
   print '<a class="login" href="'.DOL_URL_ROOT.'/user/fiche.php?id='.$user->id.'">'.$user->login.'</a>' ;
 
   // Lien logout
-  if (! $_SERVER["REMOTE_USER"])
+  if (! isset($_SERVER["REMOTE_USER"]) || ! $_SERVER["REMOTE_USER"])
     {
       print '<a href="'.DOL_URL_ROOT.'/user/logout.php">';
       print '<img class="login" border="0" src="'.DOL_URL_ROOT.'/theme/'.$conf->theme.'/img/logout.png" alt="'.$langs->trans("Logout").'" title="'.$langs->trans("Logout").'"></a>';