diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index 720e7e34033..34c0cbc03fc 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -5,6 +5,7 @@
  * Copyright (C) 2004      Sebastien Di Cintio  <sdicintio@ressource-toi.org>
  * Copyright (C) 2004      Benoit Mortier       <benoit.mortier@opensides.be>
  * Copyright (C) 2005-2011 Regis Houssin        <regis@dolibarr.fr>
+ * Copyright (C) 2011      Philippe Grand       <philippe.grand@atoo-net.com>
  * Copyright (C) 2008      Matteli
  *
  * This program is free software; you can redistribute it and/or modify
@@ -25,7 +26,7 @@
  *	\file       htdocs/main.inc.php
  *	\ingroup	core
  *	\brief      File that defines environment for Dolibarr pages only (variables not required by scripts)
- *	\version    $Id: main.inc.php,v 1.768 2011/08/21 10:01:38 hregis Exp $
+ *	\version    $Id: main.inc.php,v 1.769 2011/08/22 15:46:00 hregis Exp $
  */
 
 @ini_set('memory_limit', '64M');	// This may be useless if memory is hard limited by your PHP
@@ -1553,7 +1554,7 @@ function printSearchForm($urlaction,$urlobject,$title,$htmlmodesearch='search',$
 	$ret.='<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
 	$ret.='<input type="hidden" name="mode" value="search">';
 	$ret.='<input type="hidden" name="mode-search" value="'.$htmlmodesearch.'">';
-	$ret.='<input type="text" class="flat" name="'.$htmlinputname.'" size="10">&nbsp;';
+	$ret.='<input type="text" class="flat" placeholder="'.$langs->trans("recherche de").''.strip_tags($title).'" required="" name="'.$htmlinputname.'" size="10">&nbsp;';
 	$ret.='<input type="submit" class="button" value="'.$langs->trans("Go").'">';
 	$ret.="</form>\n";
 	return $ret;