diff --git a/shukan/ShukanData.java b/shukan/ShukanData.java
index 2091f70ea2a70475f0c6e468d45bd59c846734ed..5531b3807ba44a09008768caad7852d53e44ac7d 100644
--- a/shukan/ShukanData.java
+++ b/shukan/ShukanData.java
@@ -680,4 +680,18 @@ public class ShukanData
     if (selMod != -1 && selAct != -1 && selLength > 1)
       this.mod[selCur][selMod].exchange (selAct, selAct + selLength - 1);
   }
+
+  /** test if a week is active for a module */
+  public boolean isActiveWeek(int week, int mod){
+    if (week>=moduleStart(cursusNumber(), mod) && (week<=moduleEnd(cursusNumber(), mod) || moduleEnd(cursusNumber(), mod)==0))
+    {
+      int[] holly_weeks = moduleHollyWeeks(cursusNumber(), mod);
+      for (int i =0; i<holly_weeks.length; i++) {
+        if (week == holly_weeks[i]) return false;
+      }
+          return true;
+    }
+    return false;
+  }
+
 }
diff --git a/shukan/ShukanView.java b/shukan/ShukanView.java
index 80f03b19a5565f46c83d6c3e0c14a232e84261b6..7123a1e253d3d1c70fdf46f581f200b619c9e3dc 100644
--- a/shukan/ShukanView.java
+++ b/shukan/ShukanView.java
@@ -377,15 +377,14 @@ public class ShukanView extends JPanel
     int num_module = data.selectedModule();
     int num_cursus = data.cursusNumber();
     int num_semaine = data.selectedWeek()+data.startWeekNumber();
-    int debut = data.moduleStart(num_cursus, num_module);
-    int fin = data.moduleEnd(num_cursus, num_module);
+
 
     // affiche la fenetre si il y a cours pendant cette periode
-    if(num_semaine>=debut && (num_semaine<=fin || fin == 0))
+    if(data.isActiveWeek(num_semaine, num_module))
     {
       JFrame spec = new JFrame(data.cursusName(num_cursus) + " - Semaine" + (num_semaine) + " - " + data.moduleNames(num_cursus)[num_module]);
-      int[] a = data.scheduleInWeek(num_module, num_semaine);
-      for (int i = 0; i<a.length; i++)System.out.println(a[i]);
+      //int[] a = data.scheduleInWeek(num_module, num_semaine);
+      //for (int i = 0; i<a.length; i++)System.out.println(a[i]);
       spec.setSize(new Dimension(300, 150));
       spec.setVisible(true);
     }