Index: src/sdk/editormanager.cpp
===================================================================
--- src/sdk/editormanager.cpp    (revision 6195)
+++ src/sdk/editormanager.cpp    (working copy)
@@ -2555,6 +2555,11 @@
     pop->AppendSeparator();
     pop->Append(idNBTabTop, _("Tabs at top"));
     pop->Append(idNBTabBottom, _("Tabs at bottom"));
+    // Cryogen 24/3/10 Enable/disable tab position menu items appropriately.
+    if (Manager::Get()->GetConfigManager(_T("app"))->ReadBool(_T("/environment/editor_tabs_bottom"), false))
+        pop->FindItem(idNBTabBottom)->Enable(false);
+    else
+        pop->FindItem(idNBTabTop)->Enable(false);
 
     cbEditor* ed = GetBuiltinEditor(event.GetSelection());
     if (ed)
Index: src/sdk/projectmanager.cpp
===================================================================
--- src/sdk/projectmanager.cpp    (revision 6195)
+++ src/sdk/projectmanager.cpp    (working copy)
@@ -1664,6 +1664,11 @@
     wxMenu* NBmenu = new wxMenu();
     NBmenu->Append(idNB_TabTop, _("Tabs at top"));
     NBmenu->Append(idNB_TabBottom, _("Tabs at bottom"));
+    // Cryogen 24/3/10 Enable/disable tab position menu items appropriately.
+    if (Manager::Get()->GetConfigManager(_T("app"))->ReadBool(_T("/environment/project_tabs_bottom"), false))
+        NBmenu->FindItem(idNB_TabBottom)->Enable(false);
+    else
+        NBmenu->FindItem(idNB_TabTop)->Enable(false);
     m_pNotebook->PopupMenu(NBmenu);
     delete NBmenu;
 }
Index: src/src/infopane.cpp
===================================================================
--- src/src/infopane.cpp    (revision 6195)
+++ src/src/infopane.cpp    (working copy)
@@ -200,6 +198,11 @@
     wxMenu* view = new wxMenu;
     menu.Append(idNB_TabTop, _("Tabs at top"));
     menu.Append(idNB_TabBottom, _("Tabs at bottom"));
+    // Cryogen 24/3/10 Enable/disable tab position menu items appropriately.
+    if (Manager::Get()->GetConfigManager(_T("app"))->ReadBool(_T("/environment/infopane_tabs_bottom"), false))
+        menu.FindItem(idNB_TabBottom)->Enable(false);
+    else
+        menu.FindItem(idNB_TabTop)->Enable(false);
     bool any_nonloggers = false;
 
     if (page[GetPageIndexByWindow(GetPage(GetSelection()))].islogger)