diff --git a/cotisations/__pycache__/views.cpython-34.pyc b/cotisations/__pycache__/views.cpython-34.pyc
index 7fe542ba..4fbbb82e 100644
Binary files a/cotisations/__pycache__/views.cpython-34.pyc and b/cotisations/__pycache__/views.cpython-34.pyc differ
diff --git a/cotisations/views.py b/cotisations/views.py
index d4ee4a32..4aa8aa17 100644
--- a/cotisations/views.py
+++ b/cotisations/views.py
@@ -24,6 +24,16 @@ def end_adhesion(user):
     date_max = Cotisation.objects.all().filter(facture=Facture.objects.all().filter(user=user)).aggregate(Max('date_end'))['date_end__max']
     return date_max
 
+def is_adherent(user):
+    """ Renvoie si un user est à jour de cotisation """
+    end = end_adhesion(user)
+    if not end:
+        return False
+    elif end < timezone.now():
+        return False
+    else:
+        return True
+
 def create_cotis(facture, user, article):
     """ Update et crée l'objet cotisation associé à une facture, prend en argument l'user, la facture pour la quantitéi, et l'article pour la durée"""
     cotisation=Cotisation(facture=facture)
diff --git a/users/models.py b/users/models.py
index aeea40c3..50931404 100644
--- a/users/models.py
+++ b/users/models.py
@@ -2,6 +2,8 @@ from django.db import models
 from django.forms import ModelForm
 from django import forms
 
+from django.utils import timezone
+
 class User(models.Model):
     STATE_ACTIVE = 0
     STATE_DEACTIVATED = 1
@@ -119,3 +121,9 @@ class BanForm(ModelForm):
     class Meta:
         model = Ban
         exclude = ['user']
+
+    def clean_date_end(self):
+        date_end = self.cleaned_data['date_end']
+        if date_end < timezone.now():
+            raise forms.ValidationError("Triple buse, la date de fin ne peut pas être avant maintenant... Re2o ne voyage pas dans le temps")
+        return date_end
diff --git a/users/views.py b/users/views.py
index 5fb9c650..7b63fae3 100644
--- a/users/views.py
+++ b/users/views.py
@@ -6,9 +6,12 @@ from django.shortcuts import render_to_response, get_object_or_404
 from django.core.context_processors import csrf
 from django.template import Context, RequestContext, loader
 from django.contrib import messages
+from django.db.models import Max
+from django.utils import timezone
 
 from users.models import User, Right, Ban, DelRightForm, UserForm, InfoForm, PasswordForm, StateForm, RightForm, BanForm
 from users.forms  import PassForm
+from cotisations.views import is_adherent
 
 from re2o.login import makeSecret, hashNT
 
@@ -17,6 +20,23 @@ def end_ban(user):
     date_max = Ban.objects.all().filter(user=user).aggregate(Max('date_end'))['date_end__max']
     return date_max
 
+def is_ban(user):
+    """ Renvoie si un user est banni ou non """
+    end = end_ban(user)
+    if not end:
+        return False
+    elif end < timezone.now():
+        return False
+    else:
+        return True 
+
+def has_access(user):
+   """ Renvoie si un utilisateur a accès à internet"""
+   if user.state == 0 and not is_ban(user) and is_adherent(user):
+       return True
+   else:
+       return False
+
 def form(ctx, template, request):
     c = ctx
     c.update(csrf(request))
@@ -103,6 +123,8 @@ def add_ban(request, userid):
         ban.save()
         messages.success(request, "Bannissement ajouté")
         return redirect("/users/")
+    if is_ban(user):
+        messages.error(request, u"Attention, cet utilisateur a deja un bannissement actif" )
     return form({'userform': ban}, 'users/user.html', request)
 
 def edit_ban(request, banid):