diff --git a/projects/samskivert/src/java/com/samskivert/servlet/IndiscriminateSiteIdentifier.java b/projects/samskivert/src/java/com/samskivert/servlet/IndiscriminateSiteIdentifier.java
index 45b7b59c..05011131 100644
--- a/projects/samskivert/src/java/com/samskivert/servlet/IndiscriminateSiteIdentifier.java
+++ b/projects/samskivert/src/java/com/samskivert/servlet/IndiscriminateSiteIdentifier.java
@@ -1,5 +1,5 @@
 //
-// $Id: IndiscriminateSiteIdentifier.java,v 1.2 2001/11/06 04:48:08 mdb Exp $
+// $Id: IndiscriminateSiteIdentifier.java,v 1.3 2003/11/13 00:53:00 mdb Exp $
 //
 // samskivert library - useful routines for java programs
 // Copyright (C) 2001 Michael Bayne
@@ -20,6 +20,9 @@
 
 package com.samskivert.servlet;
 
+import java.util.ArrayList;
+import java.util.Iterator;
+
 import javax.servlet.http.HttpServletRequest;
 
 /**
@@ -45,4 +48,24 @@ public class IndiscriminateSiteIdentifier implements SiteIdentifier
     {
         return DEFAULT_SITE_STRING;
     }
+
+    /**
+     * Always returns {@link #DEFAULT_SITE_ID} regardless of the value of
+     * the supplied string.
+     */
+    public int getSiteId (String siteString)
+    {
+        return DEFAULT_SITE_ID;
+    }
+
+    // documented inherited from interface
+    public Iterator enumerateSites ()
+    {
+        return _sites.iterator();
+    }
+
+    protected static ArrayList _sites = new ArrayList();
+    static {
+        _sites.add(new Site(DEFAULT_SITE_ID, DEFAULT_SITE_STRING));
+    }
 }
diff --git a/projects/samskivert/src/java/com/samskivert/servlet/JDBCTableSiteIdentifier.java b/projects/samskivert/src/java/com/samskivert/servlet/JDBCTableSiteIdentifier.java
index 8c9cfae2..f4a1016a 100644
--- a/projects/samskivert/src/java/com/samskivert/servlet/JDBCTableSiteIdentifier.java
+++ b/projects/samskivert/src/java/com/samskivert/servlet/JDBCTableSiteIdentifier.java
@@ -1,5 +1,5 @@
 //
-// $Id: JDBCTableSiteIdentifier.java,v 1.3 2003/07/04 20:34:34 mdb Exp $
+// $Id: JDBCTableSiteIdentifier.java,v 1.4 2003/11/13 00:53:00 mdb Exp $
 //
 // samskivert library - useful routines for java programs
 // Copyright (C) 2001 Michael Bayne
@@ -27,7 +27,11 @@ import java.sql.SQLException;
 
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.HashMap;
+import java.util.Iterator;
+
 import javax.servlet.http.HttpServletRequest;
+
 import com.samskivert.io.PersistenceException;
 
 import com.samskivert.jdbc.ConnectionProvider;
@@ -94,8 +98,21 @@ public class JDBCTableSiteIdentifier implements SiteIdentifier
     // documentation inherited
     public String getSiteString (int siteId)
     {
-        String stringId = (String)_sites.get(siteId);
-        return (stringId == null) ? DEFAULT_SITE_STRING : stringId;
+        Site site = (Site)_sitesById.get(siteId);
+        return (site == null) ? DEFAULT_SITE_STRING : site.siteString;
+    }
+
+    // documentation inherited
+    public int getSiteId (String siteString)
+    {
+        Site site = (Site)_sitesByString.get(siteString);
+        return (site == null) ? DEFAULT_SITE_ID : site.siteId;
+    }
+
+    // documentation inherited from interface
+    public Iterator enumerateSites ()
+    {
+        return _sitesById.values().iterator();
     }
 
     /**
@@ -125,10 +142,14 @@ public class JDBCTableSiteIdentifier implements SiteIdentifier
                 String query = "select siteId, stringId from sites";
                 ResultSet rs = stmt.executeQuery(query);
                 HashIntMap sites = new HashIntMap();
+                HashMap strings = new HashMap();
                 while (rs.next()) {
-                    sites.put(rs.getInt(1), rs.getString(2));
+                    Site site = new Site(rs.getInt(1), rs.getString(2));
+                    sites.put(site.siteId, site);
+                    strings.put(site.siteString, site);
                 }
-                _sites = sites;
+                _sitesById = sites;
+                _sitesByString = strings;
 
                 // now load up the domain mappings
                 query = "select domain, siteId from domains";
@@ -209,5 +230,9 @@ public class JDBCTableSiteIdentifier implements SiteIdentifier
 
     /** The mapping from integer site identifiers to string site
      * identifiers. */
-    protected HashIntMap _sites = new HashIntMap();
+    protected HashIntMap _sitesById = new HashIntMap();
+
+    /** The mapping from string site identifiers to integer site
+     * identifiers. */
+    protected HashMap _sitesByString = new HashMap();
 }
diff --git a/projects/samskivert/src/java/com/samskivert/servlet/Site.java b/projects/samskivert/src/java/com/samskivert/servlet/Site.java
index c14187df..9a680e01 100644
--- a/projects/samskivert/src/java/com/samskivert/servlet/Site.java
+++ b/projects/samskivert/src/java/com/samskivert/servlet/Site.java
@@ -1,42 +1,42 @@
 //
-// $Id: Site.java,v 1.1 2003/09/19 02:12:55 eric Exp $
+// $Id: Site.java,v 1.2 2003/11/13 00:53:00 mdb Exp $
 
-package com.samskivert.servlet.user;
+package com.samskivert.servlet;
 
 import com.samskivert.util.StringUtil;
 
 /**
- * A representation of a row in the sites table.
+ * Represents a site mapping known to a {@link SiteIdentifier}.
+ *
+ * @see SiteIdentifier#enumerateSites
  */
 public class Site
 {
-    /** The sites unqiue identifier. */
+    /** The site's unqiue identifier. */
     public int siteId;
 
-    /** The sites human readable identifier (I.e., "Shockwave") */
-    public String stringId;
+    /** The site's human readable identifier (i.e., "monkeybutter"). */
+    public String siteString;
 
-    /** Construct a Site record with the specified siteId. */
-    public Site (int siteId)
+    /** Constructs a site record with the specified id and string. */
+    public Site (int siteId, String siteString)
     {
         this.siteId = siteId;
-    }
-
-    /** Construct a Site record with the specified stringId. */
-    public Site (String stringId)
-    {
-        this.stringId = stringId;
+        this.siteString = siteString;
     }
 
     /**
-     * Constructs a blank Site record for unserialization
-     * from the repository.
+     * Constructs a blank record for unserialization from the repository.
      */
     public Site ()
     {
     }
 
-    public String toString () {
+    /**
+     * Generates a string representation of this instance.
+     */
+    public String toString ()
+    {
         return StringUtil.fieldsToString(this);
     }
 }
diff --git a/projects/samskivert/src/java/com/samskivert/servlet/SiteIdentifier.java b/projects/samskivert/src/java/com/samskivert/servlet/SiteIdentifier.java
index 4f77b5dc..e091a295 100644
--- a/projects/samskivert/src/java/com/samskivert/servlet/SiteIdentifier.java
+++ b/projects/samskivert/src/java/com/samskivert/servlet/SiteIdentifier.java
@@ -1,5 +1,5 @@
 //
-// $Id: SiteIdentifier.java,v 1.2 2001/11/06 04:48:35 mdb Exp $
+// $Id: SiteIdentifier.java,v 1.3 2003/11/13 00:53:00 mdb Exp $
 //
 // samskivert library - useful routines for java programs
 // Copyright (C) 2001 Michael Bayne
@@ -20,6 +20,7 @@
 
 package com.samskivert.servlet;
 
+import java.util.Iterator;
 import javax.servlet.http.HttpServletRequest;
 
 /**
@@ -56,11 +57,11 @@ public interface SiteIdentifier
     public int identifySite (HttpServletRequest req);
 
     /**
-     * Returns a string representation of the site identifier. The site
-     * identifier in use can map the site ids to strings however it likes
-     * as long as it consistently maps the same identifier to the same
-     * string. Presumably these strings would be human readable and
-     * meaningful.
+     * Returns a string representation of the site identifier. The
+     * SiteIdentifier in use can map the site ids to strings however it
+     * likes as long as it consistently maps the same identifier to the
+     * same string and vice versa. Presumably these strings would be human
+     * readable and meaningful.
      *
      * @param siteId the unique integer identifier for the site that we
      * wish to be identified by a string.
@@ -68,4 +69,22 @@ public interface SiteIdentifier
      * @return the string identifier for this site.
      */
     public String getSiteString (int siteId);
+
+    /**
+     * Returns the site identifier for the site associated with the
+     * supplied site string. The SiteIdentifier in use can map the site
+     * ids to strings however it likes as long as it consistently maps the
+     * same string to the same identifier and vice versa.
+     *
+     * @param siteString the string to be converted into a site identifer.
+     *
+     * @return the integer identifier for this site.
+     */
+    public int getSiteId (String siteString);
+
+    /**
+     * Returns an enumerator over all {@link Site} mappings known to this
+     * SiteIdentifier.
+     */
+    public Iterator enumerateSites ();
 }
diff --git a/projects/samskivert/src/java/com/samskivert/servlet/user/UserRepository.java b/projects/samskivert/src/java/com/samskivert/servlet/user/UserRepository.java
index 14f7cb4e..7b5821a7 100644
--- a/projects/samskivert/src/java/com/samskivert/servlet/user/UserRepository.java
+++ b/projects/samskivert/src/java/com/samskivert/servlet/user/UserRepository.java
@@ -1,5 +1,5 @@
 //
-// $Id: UserRepository.java,v 1.34 2003/10/29 19:41:52 eric Exp $
+// $Id: UserRepository.java,v 1.35 2003/11/13 00:53:00 mdb Exp $
 //
 // samskivert library - useful routines for java programs
 // Copyright (C) 2001 Michael Bayne
@@ -43,9 +43,11 @@ import com.samskivert.jdbc.jora.Cursor;
 import com.samskivert.jdbc.jora.FieldMask;
 import com.samskivert.jdbc.jora.Session;
 import com.samskivert.jdbc.jora.Table;
-import com.samskivert.servlet.SiteIdentifier;
 import com.samskivert.util.HashIntMap;
 
+import com.samskivert.servlet.Site;
+import com.samskivert.servlet.SiteIdentifier;
+
 /**
  * Interfaces with the RDBMS in which the user information is stored. The
  * user repository encapsulates the creating, loading and management of
@@ -117,8 +119,8 @@ public class UserRepository extends JORARepository
      *
      * @return The userid of the newly created user.
      */
-    public int createUser (String username, String password,
-			   String realname, String email, int siteId)
+    public int createUser (String username, String password, String realname,
+                           String email, int siteId)
 	throws InvalidUsernameException, UserExistsException,
         PersistenceException
     {
@@ -352,7 +354,7 @@ public class UserRepository extends JORARepository
                 while (itr.hasNext()) {
                     Site site = (Site)itr.next();
                     _siteIdToSite.put(site.siteId, site);
-                    _siteNameToSite.put(site.stringId, site);
+                    _siteNameToSite.put(site.siteString, site);
                 }
                 return null;
 	    }
@@ -365,7 +367,6 @@ public class UserRepository extends JORARepository
     public int getSiteId (String stringId)
     {
         Site site = (Site)_siteNameToSite.get(stringId);
-
         return (site == null) ? -1 : site.siteId;
     }
 
@@ -375,8 +376,7 @@ public class UserRepository extends JORARepository
     public String getSiteName (int siteId)
     {
         Site site = (Site)_siteIdToSite.get(siteId);
-
-        return (site == null) ? null : site.stringId;
+        return (site == null) ? null : site.siteString;
     }
 
     /**