diff --git a/twander.py b/twander.py
index 762e10b..e58fe92 100755
--- a/twander.py
+++ b/twander.py
@@ -4,7 +4,7 @@
 # For Updates See:  http://www.tundraware.com/Software/twander
 
 PROGNAME = "twander"
-RCSID = "$Id: twander.py,v 2.64 2003/01/17 06:23:01 tundra Exp $"
+RCSID = "$Id: twander.py,v 2.65 2003/01/17 06:55:46 tundra Exp $"
 VERSION = RCSID.split()[2]
 
 
@@ -170,6 +170,8 @@
 
 AUTOREFRESH  = TRUE             # Automatically refresh the directory display
 DEBUGLEVEL   = 0                # No debug output
+NODETAILS    = FALSE            # TRUE means details can never be displayed
+NONAVIGATE   = FALSE            # TRUE means that all directory navigation is prevented
 WARN         = TRUE             # Warnings on
 
 #####
@@ -270,6 +272,7 @@
 #####
 
 ASSIGN     = "="               # Assignment for variable definitions
+
 CONF       = ""                # Config file user selected with -c option
 COMMENT    = r"#"              # Comment introducer string
 ENVVBL     = r'$'              # Symbol denoting an environment variable
@@ -383,7 +386,7 @@
 DebugVars = ["RCSID", "OSNAME", "HOSTNAME", "OPTIONS", "STARTDIR", "HOME", "CONF",
              "HEIGHT", "WIDTH", "BCOLOR", "FCOLOR", "FNAME", "FSZ", "FWT",
              "MAXDIR", "MAXHIST", "MAXNESTING", "AUTOREFRESH", "DEBUGLEVEL", "WARN", "PSEP",
-             "QUOTECHAR", "POLLINT", "REFRESHINT"]
+             "QUOTECHAR", "POLLINT", "REFRESHINT", "NODETAILS", "NONAVIGATE"]
 
 
 #####
@@ -1086,7 +1089,11 @@
 
     def SetDetailedView(self, details):
 
-        self.DetailsOn = details
+        # See if we're forcing details to always be off
+        if NODETAILS:
+            self.DetailsOn = FALSE
+        else:
+            self.DetailsOn = details
         
         # Tell system where actual file name begins
         # For both choices below, we have to set the UI.NameFirst
@@ -1832,6 +1839,10 @@
 
 def LoadDirList(newdir, save=TRUE):
 
+    # Make sure we're permitted to navigate - we have to allow initial entry into STARTDIR
+    if NONAVIGATE and (newdir != STARTDIR):
+        return
+
     # Transform double forward-slashes into a single
     # forward-slash.  This keeps the Directory Stack
     # and Visited lists sane under Unix and prevents
@@ -2454,6 +2465,9 @@
 def ProcessOptions():
     global UI
     
+    # Start in detailed mode unless details are inhibited
+    UI.SetDetailedView(~NODETAILS)
+
     # Rebind all the handlers
     UI.BindAllHandlers()
 
@@ -2569,7 +2583,7 @@
 
 # Options which can be set in the configuration file
 
-UI.OptionsBoolean = ["AUTOREFRESH", "WARN"]
+UI.OptionsBoolean = ["AUTOREFRESH", "NODETAILS", "NONAVIGATE", "WARN"]
 UI.OptionsNumeric = ["DEBUGLEVEL", "FSZ", "HEIGHT", "MAXDIR", "MAXHIST", "MAXNESTING", "REFRESHINT", "WIDTH"]
 UI.OptionsString  = ["BCOLOR", "FCOLOR", "FNAME", "FWT", "QUOTECHAR", "STARTDIR"]
 
@@ -2716,9 +2730,6 @@
 # Initialize the polling counter
 UI.ElapsedTime = 0
 
-# Start in detailed mode
-UI.SetDetailedView(TRUE)
-
 # Initialize the UI directory listing
 LoadDirList(STARTDIR)
 KeySelTop(None)