diff --git a/portail_coulissant/portail_coulissant-14.blend b/portail_coulissant/portail_coulissant-14.blend
index dbcbd66..eadf297 100644
Binary files a/portail_coulissant/portail_coulissant-14.blend and b/portail_coulissant/portail_coulissant-14.blend differ
diff --git a/twin.py b/twin.py
index fd2983c..f825830 100644
--- a/twin.py
+++ b/twin.py
@@ -135,7 +135,7 @@ def cmd_init():
     windows=("Doc", "Doc_chap-general", "Doc_chap-system", "Doc_chap-python", "About")
     for window in windows:
         scene.objects[window].setVisible(False,True)
-    twin_doc.init()
+    # twin_doc.init()
 
 ##
 # Highlight des commandes
@@ -178,13 +178,17 @@ def cmd_hl(cont):
                   "Doc-cmd-colbox":"Documentation",
                   "ResetView":  "Reset de la vue (Touche Début)",
                   "About-cmd":  "A propos"}
+        scene.objects['Cmd-text']['modal']= False
         scene.objects['Cmd-text']['Text']= text_hl[obj.name]
+        if scene.objects['Doc']['page_chap']== "" and obj.name =="Doc-cmd-colbox" :
+            scene.objects['Cmd-text']['Text']= "Chargement de la documentation ..."
         scene.objects['Cmd-text'].setVisible(True,False)
 
     # Désactivation
     if cont.sensors['MO'].status == JUST_RELEASED and (scene.objects['System']['manip_mode']==0 or scene.objects['System']['manip_mode']==9):
-        scene.objects['Cmd-text']['Text']= ""
-        scene.objects['Cmd-text'].setVisible(False,False)
+        if scene.objects['Cmd-text']['modal'] != True:
+            scene.objects['Cmd-text']['Text']= ""
+            scene.objects['Cmd-text'].setVisible(False,False)
         if obj.name!="Run" and obj.name!="Pause" and obj.name!="Stop" and obj.name!="Doc-cmd-colbox":
             scene.objects[obj.name+'-Hl'].setVisible(False,True)
             obj.setVisible(True,True)
@@ -300,7 +304,7 @@ def applyRotationTo(obj, rx=None, ry=None, rz=None):
             if rx-obj.worldOrientation.to_euler().x > rres:
                 obj.applyRotation((rres, 0, 0), True)
             # print ("delta x ",rx-obj.worldOrientation.to_euler().x)
-        
+       
     # y
     if ry is not None:
         while (abs(ry-obj.worldOrientation.to_euler().y) > rres) :
@@ -432,9 +436,17 @@ def python_validation(file):
     stdout = pylint_stdout.read()
     stderr = pylint_stderr.read()
     if " error (" in stdout: # Présence d'erreur
+
+        # UI : information
+        scene.objects['Cmd-text']['modal']= True
+        scene.objects['Cmd-text']['Text']= "Erreur dans le script ... "
+        scene.objects['Cmd-text'].setVisible(True,False)
         print(stdout) # Affichage console
         return False
     else:
+        scene.objects['Cmd-text']['modal']= False
+        scene.objects['Cmd-text']['Text']= ""
+        scene.objects['Cmd-text'].setVisible(False,False)
         return True
 
 def cycle_run ():
diff --git a/twin_doc.py b/twin_doc.py
index def383e..d0494ae 100644
--- a/twin_doc.py
+++ b/twin_doc.py
@@ -173,6 +173,10 @@ card_description.update({"python-card" : [card_python_title, card_python_text, c
 
 def init():
 
+    # UI : information
+    scene.objects['Cmd-text']['Text']= "Chargement de la documentation ..."
+    scene.objects['Cmd-text'].setVisible(True,False)
+
     # Mettre les couleurs sur les icones (chapitres et cartes)
     chap=("general", "system", "python")
     for page in chap:
@@ -212,12 +216,20 @@ def init():
     # Page par défaut
     scene.objects['Doc']['page_chap'] = "general"
 
+    # UI : information
+    scene.objects['Cmd-text']['Text']= ""
+    scene.objects['Cmd-text'].setVisible(False,False)
+
 ##
 # Ouvrir la documentation
 ##
 
 def open():
 
+    # Chargement de la documentation
+    if scene.objects['Doc']['page_chap']=="":
+        init()
+
     # Placer la tablette
     scene.active_camera = scene.objects["Camera-Doc"]
     scene.objects['Doc_close'].color= color_doc_fct