From 2c9da6eaf151925502250f6390d625bec2a09529 Mon Sep 17 00:00:00 2001
From: Wade Brainerd <wadetb@gmail.com>
Date: Mon, 14 Sep 2009 17:40:12 +0000
Subject: Bug fixes

---
(limited to 'mainscreen.py')

diff --git a/mainscreen.py b/mainscreen.py
index aaff165..0f2700b 100644
--- a/mainscreen.py
+++ b/mainscreen.py
@@ -217,11 +217,11 @@ class MainScreen(gtk.VBox):
         
         # Hilite the button in the direction of the first unmedaled lesson.
         next_index = self.get_next_lesson()
-        if next_index > self.lesson_index:
+        if next_index > self.lesson_index and index < len(self.lessons)-1:
             self.nextlessonbtn.modify_bg(gtk.STATE_NORMAL, self.get_colormap().alloc_color('#ff8080'))
         else:
             self.nextlessonbtn.modify_bg(gtk.STATE_NORMAL, self.get_colormap().alloc_color('#40a040'))
-        if next_index < self.lesson_index:
+        if next_index < self.lesson_index and index > 0:
             self.prevlessonbtn.modify_bg(gtk.STATE_NORMAL, self.get_colormap().alloc_color('#ff8080'))
         else:
             self.prevlessonbtn.modify_bg(gtk.STATE_NORMAL, self.get_colormap().alloc_color('#40a040'))
--
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