Added code to:

  - ommit the add form if there are no meta-types
    (or, in the future, no meta-types that the user can add)

  - ommit the select list of there is only one choice.

lib/python/OFS/main.dtml

@@ -68,6 +68,9 @@ There are currently no items in <EM><!--#var title_or_id--></EM>
 <!--#/if-->
 </FORM>
 
+<!--#if all_meta_types-->
+
+<!--#if "_.len(all_meta_types) > 1"-->
 <TABLE>
 <TR>
 <TD VALIGN="TOP">
@@ -85,6 +88,17 @@ There are currently no items in <EM><!--#var title_or_id--></EM>
 </TD>
 </TR>
 </TABLE>
+<!--#else-->
+  <FORM ACTION="<!--#var URL1-->/" METHOD="GET">
+    To add a new item click &quot;Add&quot;.
+    <!--#in all_meta_types mapping sort=name-->
+      <input type=hidden name=":method" value="<!--#var action-->">
+      <INPUT TYPE="SUBMIT" VALUE=" Add ">
+    <!--#/in all_meta_types-->
+  </FORM>
+<!--#/if-->
+
+<!--#/if-->
 
 <!--#if update_menu-->
 <SCRIPT LANGUAGE="javascript">