diff --git a/.vimrc b/.vimrc
index 3739df5..9d46ac5 100644
--- a/.vimrc
+++ b/.vimrc
@@ -430,3 +430,20 @@ if has("autocmd")
 endif
 
 
+""""""""""""""""""""""""""""""""""""""""""""""""""
+"Omni-completion par CTRL-X_CTRL-O
+"""""""""""""""""""""""""""""""""""""""""""""""""""
+au filetype html        set omnifunc=htmlcomplete#CompleteTags
+au filetype css         set omnifunc=csscomplete#CompleteCSS
+au filetype javascript  set omnifunc=javascriptcomplete#CompleteJS
+au filetype c           set omnifunc=ccomplete#Complete
+au filetype php         set omnifunc=phpcomplete#CompletePHP
+au filetype ruby        set omnifunc=rubycomplete#Complete
+au filetype sql         set omnifunc=sqlcomplete#Complete
+au filetype python      set omnifunc=pythoncomplete#Complete
+au filetype xml         set omnifunc=xmlcomplete#CompleteTags
+
+" Enable omnicppcompletion
+set nocp
+filetype plugin on
+set path=.,..,/usr/local/include,/usr/include