[nanny] Fix help crash in jaunty

[Roberto Majadas <telemaco src gnome org>]

commit 3abd3c645332ba137b1a3295fc3e98cb31541df6
Author: Roberto Majadas <roberto majadas openshine com>
Date:   Sun Feb 21 19:54:37 2010 +0100

    Fix help crash in jaunty

 client/gnome/admin/src/AdminConsole.py |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/client/gnome/admin/src/AdminConsole.py b/client/gnome/admin/src/AdminConsole.py
index deb0300..c9838a0 100644
--- a/client/gnome/admin/src/AdminConsole.py
+++ b/client/gnome/admin/src/AdminConsole.py
@@ -348,7 +348,10 @@ class AdminConsole:
             self.im_hoursday_spinbutton.set_sensitive (False)
 
     def __on_help_button_clicked (self, widget, data=None):
-       	gtk.show_uri(None , "ghelp:nanny", gtk.get_current_event_time()) 
+        try:
+            gtk.show_uri(None , "ghelp:nanny", gtk.get_current_event_time())
+        except:
+            os.system("xdg-open ghelp:nanny")
 
     def __on_close_button_clicked (self, widget, data=None):
         gtk.main_quit()