fix bad url in header menu

core/views/expo.py

@@ -242,11 +242,12 @@ def expowebpage(request, expowebpath, path):
         parent_caves = None
 
     # Determine if this page relates to a particular year
+    year = current_expo()
     m = re.search(r"years\/(\d\d\d\d)\/.*", path, re.DOTALL + re.IGNORECASE)
     if m:
         (year,) = m.groups()
     else:
-        year = None
+        year = current_expo()
 
     # Determine if this page is part of the troggle handbook
     troggle = path.startswith("handbook/troggle")
@@ -262,6 +263,7 @@ def expowebpage(request, expowebpath, path):
             "homepage": (path == "index.htm"),
             "has_menu": has_menu,
             "year": year,
+            "current_year": year,
             "parent_caves": parent_caves,
             "troggle": troggle,
         },