Index: timeline.module
===================================================================
--- timeline.module	(révision 1722)
+++ timeline.module	(copie de travail)
@@ -156,7 +156,7 @@
       '/timeline_ajax/scripts/signal.js',
     );
     // check if library is available 'sites/all/libraries/simile_timeline'
-    if (file_check_directory($timeline_path)) {
+    if (is_dir($timeline_path)) {
       $messages = '';
       foreach ($timeline_library_files as $file) {
         $file = $timeline_path . $file;