--- a/web/views/timetable.py	Thu Apr 30 10:38:11 2009 +0200
+++ b/web/views/timetable.py	Thu Apr 30 10:46:50 2009 +0200
@@ -164,7 +164,7 @@
             previous_is_empty = False
 
             klass = "even"
-            if date.day_of_week in (5, 6) and not empty_line:
+            if date.weekday() in (5, 6) and not empty_line:
                 klass = "odd"
             self.w(u'<tr class="%s">' % klass)
             odd = not odd