diff --git a/ddportfolioservice/controllers/ddportfolio.py b/ddportfolioservice/controllers/ddportfolio.py
index 8f6c0ff..dcc582b 100644
--- a/ddportfolioservice/controllers/ddportfolio.py
+++ b/ddportfolioservice/controllers/ddportfolio.py
@@ -144,12 +144,19 @@ developer name on all bug logs)'),
             return render('/showform.mako')
         fields = dddatabuilder.build_data(form_result['email'])
         rp = request.params.copy()
-        if fields['isdd']:
-            for tuple in (('name', 'name'),
-                          ('gpgfp', 'gpgfp'),
-                          ('username', 'username'),
-                          ('aliothusername', 'username'),
-                          ('nonddemail', 'email')):
+
+        DM_TUPLES = (('name', 'name'),
+                     ('gpgfp', 'gpgfp'),
+                     ('nonddemail', 'email'))
+        DD_TUPLES = (('username', 'username'),
+                     ('aliothusername', 'username'))
+
+        if fields['type'] in (dddatabuilder.TYPE_DD, dddatabuilder.TYPE_DM):
+            for tuple in DM_TUPLES:
+                if not tuple[0] in rp or not rp[tuple[0]]:
+                    rp[tuple[0]] = fields[tuple[1]]
+        if fields['type'] == dddatabuilder.TYPE_DD:
+            for tuple in DD_TUPLES:
                 if not tuple[0] in rp or not rp[tuple[0]]:
                     rp[tuple[0]] = fields[tuple[1]]
 
diff --git a/ddportfolioservice/model/dddatabuilder.py b/ddportfolioservice/model/dddatabuilder.py
index 455ad35..4128a5f 100644
--- a/ddportfolioservice/model/dddatabuilder.py
+++ b/ddportfolioservice/model/dddatabuilder.py
@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 #
 # DDPortfolio service DD data builder
-# Copyright (c) 2009 Jan Dittberner <jan@dittberner.info>
+# Copyright © 2009, 2010 Jan Dittberner <jan@dittberner.info>
 #
 # This file is part of DDPortfolio service.
 #
@@ -20,8 +20,14 @@
 # License along with this program.  If not, see
 # <http://www.gnu.org/licenses/>.
 #
+"""This file contains code to build a representation of a person based
+on keyring data associated to a given email address."""
 from ddportfolioservice.model import keyfinder
 
+TYPE_NO = 0
+TYPE_DM = 1
+TYPE_DD = 2
+
 
 def build_data(email_address):
     """Build a DD data structure from a given email address."""
@@ -32,7 +38,9 @@ def build_data(email_address):
                         ('username', keyfinder.getLoginByEmail)]])
     fields['email'] = email_address
     if fields['username'] and fields['gpgfp'] and fields['name']:
-        fields['isdd'] = 1
+        fields['type'] = TYPE_DD
+    elif fields['name'] and fields['gpgfp']:
+        fields['type'] = TYPE_DM
     else:
-        fields['isdd'] = 0
+        fields['type'] = TYPE_NO
     return fields
diff --git a/ddportfolioservice/templates/showformscript.mako b/ddportfolioservice/templates/showformscript.mako
index b951a78..93a85bc 100644
--- a/ddportfolioservice/templates/showformscript.mako
+++ b/ddportfolioservice/templates/showformscript.mako
@@ -1,7 +1,7 @@
 ## -*- coding: utf-8 -*-
 <%doc>
 Helper JavaScript for the data input form.
-Copyright (c) 2009 Jan Dittberner <jan@dittberner.info>
+Copyright © 2009, 2010 Jan Dittberner <jan@dittberner.info>
 
 This file is part of DDPortfolio service.
 
@@ -21,7 +21,7 @@ License along with this program.  If not, see
 </%doc>
 
 function updateFields(data, textStatus) {
-    if (data.isdd == 1) {
+    if (data.type == 2) { // DD
         $('#name').attr('value', data.name).attr('readonly', 'readonly');
         $('#gpgfp').attr('value', data.gpgfp);
         $('#username').attr('value', data.username).attr(
@@ -36,6 +36,19 @@ function updateFields(data, textStatus) {
         $('#aliothusernamefield').show();
 
         $('#nonddemail').focus().select();
+    } else if (data.type == 1) { // DM
+        $('#name').attr('value', data.name).attr('readonly', 'readonly');
+        $('#gpgfp').attr('value', data.gpgfp);
+        $('#username').attr('value', '');
+        $('#nonddemail').attr('value', data.email).focus();
+
+        $('#namefield').show();
+        $('#gpgfpfield').show();
+        $('#usernamefield').hide();
+        $('#nonddemailfield').hide();
+        $('#aliothusernamefield').show();
+
+        $('#aliothusername').focus().select();
     } else {
         $('#nonddemail').attr('value', data.email);
         $('#name').removeAttr('readonly');