diff --git a/twander.py b/twander.py
index 7e9ba7c..6ece9dc 100755
--- a/twander.py
+++ b/twander.py
@@ -4,7 +4,7 @@
 
 
 PROGNAME = "twander"
-RCSID = "$Id: twander.py,v 1.66 2002/11/19 23:04:15 tundra Exp $"
+RCSID = "$Id: twander.py,v 1.67 2002/11/20 23:55:16 tundra Exp $"
 VERSION = RCSID.split()[2]
 
 
@@ -128,13 +128,10 @@
 REFRESHINT    = 2000      # Interval (ms) for automatic refresh
 
 
-# Note whether we're running on Unix or not
+# Set OS type - this allows us to trigger OS-specific code
+# where needed.
 
-if os.name == 'posix':
-    UNIX = TRUE
-else:
-    UNIX = FALSE
-
+OSNAME = os.name
 
 #####
 # General Literals
@@ -675,7 +672,7 @@
 
         # If we're on Unix, don't follow symlinks pointing back to themselves
 
-        if UNIX and os.path.samefile(UI.CurrentDir, UI.CurrentDir + selected):
+        if OSNAME == 'posix' and os.path.samefile(UI.CurrentDir, UI.CurrentDir + selected):
             WrnMsg(wSYMBACK % (UI.CurrentDir + selected))
             return
 
@@ -713,9 +710,12 @@
         
         SetSelection(0)
 
-    # File selected
-    else:
-        pass
+    # File selected with a double-click
+    # If we're running Win32, use OS association to try and run it.
+
+    elif OSNAME == 'nt':
+        os.startfile(os.path.join(os.path.abspath(UI.CurrentDir), selected))
+
 
     # Have to update the window title because selection changed
     UI.UpdateTitle(UIroot)
@@ -872,17 +872,8 @@
     UI.DirList.activate(index)
     UI.DirList.select_set(index)
 
-    # And make sure it is visible within the current window
     UI.DirList.see(index)
 
-    # And force a visual update
-    UI.DirList.pack()
-
-    # We have to update the title because the selection
-    # may have changed.
-
-    UI.UpdateTitle(UIroot)
-
 # End of 'SetSelection()'