diff -r f9fa2f47572c -r 619d41a4c770 web/component.py
--- a/web/component.py	Thu Nov 24 17:00:09 2011 +0100
+++ b/web/component.py	Tue Nov 29 11:18:46 2011 +0100
@@ -100,6 +100,7 @@
 
     def page_url(self, path, params, start=None, stop=None):
         params = dict(params)
+        params['__fromnavigation'] = 1
         if start is not None:
             params[self.start_param] = start
         if stop is not None: