diff --git a/html/css/style-classic7.css b/html/css/style-classic7.css
index aeb0271b2..c0429d58b 100644
--- a/html/css/style-classic7.css
+++ b/html/css/style-classic7.css
@@ -3519,7 +3519,18 @@ margin:1px;
 .nav-level2 .active {
     border-radius:0px !important;
 }
-
+/******************************************/
+/* MENU LEVEL  > 3                        */
+/******************************************/
+.nav-level4{
+    --border-size:2px;
+}
+.nav-level4 .nav-item:hover{
+    background-color: aliceblue;
+}
+.nav-level4 .active {
+    background-color: aliceblue;
+}
  /****************************************/
  /* Module for smartphone menu           */
  /***************************************/
diff --git a/html/do.php b/html/do.php
index e09e51cbc..7db6f5f2a 100644
--- a/html/do.php
+++ b/html/do.php
@@ -281,7 +281,8 @@ if (isset($_REQUEST['ac']))
         // Show module and highligt selected one
         show_module($module_id);
         
-        
+        global $level;
+        $level = 0;
         show_menu( $amenu_id[0]['pm_id_v3']);
 
         show_menu( $amenu_id[0]['pm_id_v2']);
diff --git a/include/anc_od.inc.php b/include/anc_od.inc.php
index c7bad6b60..416e948c3 100644
--- a/include/anc_od.inc.php
+++ b/include/anc_od.inc.php
@@ -50,7 +50,7 @@ echo '
 //----------------------------------------------------------------------
 // show the  menu
 //----------------------------------------------------------------------
-echo ShowItem(array(
+echo show_menu_extension(array(
        array( 
            "?".http_build_query(["ac"=>$http->request("ac"),"new"=>1,"gDossier"=>$dossier_id]),
            _("Nouveau"),
@@ -61,7 +61,7 @@ echo ShowItem(array(
             _("Liste"),
            _("Liste opérations")
            )
-), "H", "nav-item", "nav-link", "", "nav nav-pills nav-level3");
+));
 
 
 //----------------------------------------------------------------------
diff --git a/include/lib/ac_common.php b/include/lib/ac_common.php
index c761b969c..82152711c 100644
--- a/include/lib/ac_common.php
+++ b/include/lib/ac_common.php
@@ -519,7 +519,57 @@ function sql_string($p_string)
     $p_string = noalyss_str_replace('\\', '\\\\', $p_string);
     return $p_string;
 }
+/**
+ * @brief Same menu for all extensions, with the right level, it calls 
+ * ShowItem with the right parameters
+ * @global $level (int) global variable of the menu level
+ * @param $p_array (array)
+ * @param $default (string) selected item
+ * @param $p_extra (string) extra code for the table tag (CSS or javascript)
+ * @see ShowItem
+ */
+function show_menu_extension($p_array,$default="",$p_extra="")
+{
+    global $level;
+    
+   
+   $level++;
+    switch ($level) {
+        case 3:
+            $p_dir='H';
+            $class="nav-item nav-item-underline";
+            $class_ref="nav-link";
+            $p_extra="noprint nav nav-pills nav-level3";
+            $class_div="menu3";
+            break;
+         case 2:
+            $p_dir='H';
+            $class="nav-item nav-item-underline";
+            $class_ref="nav-link";
+            $p_extra="noprint nav nav-pills nav-level2";
+            $class_div="menu2";
+            break;
+        case 1:
+            $p_dir='H';
+            $class="nav-item nav-item-underline";
+            $class_ref="nav-link";
+            $p_extra='noprint nav nav-pills nav-fill flex-row ';
+            $class_div="top_menu";
+            break;
+        default:
+            $p_dir='H';
+            $class="nav-item nav-item-underline";
+            $class_ref="nav-link";
+            $p_extra="noprint nav nav-level4";
+            $class_div="menu3";
+            break;
+    }
+   return "<div class=\"$class_div\">"
+           . ShowItem($p_array,$p_dir,$class,$class_ref,$default,$p_extra)
+           ."</div>";
+           
 
+}
 /**
 * \brief store the string which print
  *           the content of p_array in a table
@@ -536,6 +586,7 @@ function sql_string($p_string)
 
 function ShowItem($p_array, $p_dir='V', $class="nav-item", $class_ref="nav-link", $default="", $p_extra="nav nav-pills nav-fill")
 {
+      
     $ret = '';
     // for comptability with old application  mtitle for anchor is replace by nav-link
     
@@ -543,9 +594,9 @@ function ShowItem($p_array, $p_dir='V', $class="nav-item", $class_ref="nav-link"
     // direction Vertical
     if ($p_dir == 'V')
     { 
-        $ret .= "<ul class=\"$p_extra noprint \"  flex-row>";
+        $ret .= "<ul class=\"$p_extra  \"  flex-row>";
     } else {
-        $ret .= "<ul class=\"$p_extra noprint \" >";
+        $ret .= "<ul class=\"$p_extra \" >";
        
     }
     
@@ -565,11 +616,11 @@ function ShowItem($p_array, $p_dir='V', $class="nav-item", $class_ref="nav-link"
 
         if ($set==$default)
         {
-            $ret.='<li class="nav-item"><A class="'.$class_ref.' active'.'" HREF="'.$href[0].'" title="'.$title.'" '.$javascript.'>'.$href[1].'</A></li>';
+            $ret.='<li class="'.$class.'"><A class="'.$class_ref.' active'.'" HREF="'.$href[0].'" title="'.$title.'" '.$javascript.'>'.$href[1].'</A></li>';
         }
         else
         {
-            $ret.='<li class="nav-item"><A class="'.$class_ref.'" HREF="'.$href[0].'" title="'.$title.'" '.$javascript.'>'.$href[1].'</A></li>';
+            $ret.='<li class="'.$class.'"><A class="'.$class_ref.'" HREF="'.$href[0].'" title="'.$title.'" '.$javascript.'>'.$href[1].'</A></li>';
         }
         
     }
@@ -1072,8 +1123,7 @@ function find_default_module()
 function show_menu($module)
 {
     if ($module == 0)return;
-    static $level=0;
-    global $g_user;
+    global $level, $g_user;
     $http=new HttpInput();
     $access_code=$http->request("ac");
     $cn = Dossier::connect();
@@ -1100,7 +1150,7 @@ function show_menu($module)
     if (!empty($amenu) && count($amenu) > 1)
     {
         $a_style_menu=array('topmenu','menu2','menu3');
-        if ( $level > count($a_style_menu))
+        if ( $level >= count($a_style_menu))
             $style_menu='menu3';
         else {
             $style_menu=$a_style_menu[$level];
diff --git a/include/lib/user_menu.php b/include/lib/user_menu.php
index 4b189f892..5148f8666 100644
--- a/include/lib/user_menu.php
+++ b/include/lib/user_menu.php
@@ -101,7 +101,7 @@ function MenuAdmin()
                 );
 
 	}
-    $menu=ShowItem($item,'H',"nav-item","nav-link",$def,'nav nav-pills nav-fill ');
+    $menu=show_menu_extension($item,$def);
     return $menu;
 }
 
diff --git a/include/template/menu.php b/include/template/menu.php
index 64345b00c..9fa4447ad 100644
--- a/include/template/menu.php
+++ b/include/template/menu.php
@@ -36,7 +36,7 @@
                     $js="";
                     $class_list_element="nav-item nav-item-underline";
                     $class_link="nav-link";
-
+                    $url="";
                     if ( $amenu[$i]['me_url']!='')
                     {
                             $url=$amenu[$i]['me_url'];
@@ -86,6 +86,7 @@
 	?>
 	<?php 
 	    endfor;
+
     	?>
 
 
diff --git a/include/upgrade.inc.php b/include/upgrade.inc.php
index dc2c1495f..28620b488 100644
--- a/include/upgrade.inc.php
+++ b/include/upgrade.inc.php
@@ -36,7 +36,7 @@ $menu=array(
 );
 $sb=$http->request("sb", "string", "application");
 echo '<div class="">';
-echo ShowItem($menu, "H", "nav-item", "nav-link", $sb,"nav nav-pills nav-level2");
+echo show_menu_extension($menu, $sb);
 echo '</div>';
 
 $sc=$http->get("sc", "string", "none");