diff --git a/htdocs/holiday/admin/holiday.php b/htdocs/holiday/admin/holiday.php
index 9690e93f3ccfac4f46ab7cc1fec63c2e473c1028..2e3cf836d9d81db42d509d31e420f44411bce1a0 100644
--- a/htdocs/holiday/admin/holiday.php
+++ b/htdocs/holiday/admin/holiday.php
@@ -25,15 +25,11 @@
  *		\brief      Page module configuration paid holiday.
  */
 
-$res=0;
-if (! $res && file_exists("../main.inc.php")) $res=@include("../main.inc.php");         // For root directory
-if (! $res && file_exists("../../main.inc.php")) $res=@include("../../main.inc.php");   // For "custom" directory
-if (! $res) die("Include of main fails");
-
-dol_include_once("/holiday/class/holiday.class.php");
-require_once(DOL_DOCUMENT_ROOT. "/core/class/html.form.class.php");
-require_once(DOL_DOCUMENT_ROOT. "/user/class/user.class.php");
-require_once(DOL_DOCUMENT_ROOT. "/user/class/usergroup.class.php");
+require '../main.inc.php';
+require DOL_DOCUMENT_ROOT.'/holiday/class/holiday.class.php';
+require_once DOL_DOCUMENT_ROOT. '/core/class/html.form.class.php';
+require_once DOL_DOCUMENT_ROOT. '/user/class/user.class.php';
+require_once DOL_DOCUMENT_ROOT. '/user/class/usergroup.class.php';
 
 $action=GETPOST('action');
 
diff --git a/htdocs/holiday/common.inc.php b/htdocs/holiday/common.inc.php
index f3b44f57d00545959794bdd89788709a8b4a2186..2c135d0ed8e0e5653a5cd114cee6bc1b7a4442a8 100644
--- a/htdocs/holiday/common.inc.php
+++ b/htdocs/holiday/common.inc.php
@@ -23,7 +23,8 @@
  *		\brief      Common load of data
  */
 
-require_once(DOL_DOCUMENT_ROOT. "/holiday/class/holiday.class.php");
+require '../main.inc.php' ;
+require DOL_DOCUMENT_ROOT. '/holiday/class/holiday.class.php';
 
 $langs->load("user");
 $langs->load("other");
diff --git a/htdocs/holiday/define_holiday.php b/htdocs/holiday/define_holiday.php
index 7d68e823a1debb00cadc19069f7d41bc2335217a..8c11e3bd031cf571089bbe1aeb253497d92709ba 100644
--- a/htdocs/holiday/define_holiday.php
+++ b/htdocs/holiday/define_holiday.php
@@ -25,9 +25,8 @@
  *		\author		dmouillard@teclib.com <Dimitri Mouillard>
  */
 
-require('../main.inc.php');
-require_once(DOL_DOCUMENT_ROOT. "/user/class/user.class.php");
-require_once(DOL_DOCUMENT_ROOT. "/holiday/common.inc.php");
+require DOL_DOCUMENT_ROOT. '/holiday/common.inc.php';
+require_once DOL_DOCUMENT_ROOT. '/user/class/user.class.php';
 
 // Protection if external user
 if ($user->societe_id > 0) accessforbidden();
diff --git a/htdocs/holiday/fiche.php b/htdocs/holiday/fiche.php
index 1499bc230baa32f8f842c23693067ef1e980afd1..968876e2466b34ad5434db3d5c088e208642953b 100644
--- a/htdocs/holiday/fiche.php
+++ b/htdocs/holiday/fiche.php
@@ -20,18 +20,14 @@
  *   	\file       fiche.php
  *		\ingroup    holiday
  *		\brief      Form and file creation of paid holiday.
- *		\version    $Id: fiche.php,v 1.16 2011/09/15 11:00:00 dmouillard Exp $
- *		\author		dmouillard@teclib.com <Dimitri Mouillard>
- *		\remarks	   Form and file creation of paid holiday.
  */
 
-require('../main.inc.php');
-require_once(DOL_DOCUMENT_ROOT. "/core/class/html.form.class.php");
-require_once(DOL_DOCUMENT_ROOT. "/user/class/usergroup.class.php");
-require_once(DOL_DOCUMENT_ROOT. "/core/class/html.formfile.class.php");
-require_once(DOL_DOCUMENT_ROOT. "/core/class/CMailFile.class.php");
-require_once(DOL_DOCUMENT_ROOT. "/core/class/html.formmail.class.php");
-require_once(DOL_DOCUMENT_ROOT. "/holiday/common.inc.php");
+require DOL_DOCUMENT_ROOT. '/holiday/common.inc.php';
+require_once DOL_DOCUMENT_ROOT. '/core/class/html.form.class.php';
+require_once DOL_DOCUMENT_ROOT. '/user/class/usergroup.class.php';
+require_once DOL_DOCUMENT_ROOT. '/core/class/html.formfile.class.php';
+require_once DOL_DOCUMENT_ROOT. '/core/class/CMailFile.class.php';
+require_once DOL_DOCUMENT_ROOT. '/core/class/html.formmail.class.php';
 
 // Get parameters
 $myparam = GETPOST("myparam");
diff --git a/htdocs/holiday/index.php b/htdocs/holiday/index.php
index c8f69cdfb089f7fc4ef5e6df4df1e2ee65ea3c21..6052297ede18fdddd8fa0810ebe8f6569c9d657c 100644
--- a/htdocs/holiday/index.php
+++ b/htdocs/holiday/index.php
@@ -23,12 +23,11 @@
  *		\brief      List of holiday.
  */
 
-require('../main.inc.php');
-require_once(DOL_DOCUMENT_ROOT. "/core/class/html.form.class.php");
-require_once(DOL_DOCUMENT_ROOT. "/core/class/html.formother.class.php");
-require_once(DOL_DOCUMENT_ROOT. "/user/class/user.class.php");
-require_once(DOL_DOCUMENT_ROOT. "/user/class/usergroup.class.php");
-require_once(DOL_DOCUMENT_ROOT. "/holiday/common.inc.php");
+require DOL_DOCUMENT_ROOT. '/holiday/common.inc.php';
+require_once DOL_DOCUMENT_ROOT. '/core/class/html.form.class.php';
+require_once DOL_DOCUMENT_ROOT. '/core/class/html.formother.class.php';
+require_once DOL_DOCUMENT_ROOT. '/user/class/user.class.php';
+require_once DOL_DOCUMENT_ROOT. '/user/class/usergroup.class.php';
 
 // Protection if external user
 if ($user->societe_id > 0) accessforbidden();
diff --git a/htdocs/holiday/month_report.php b/htdocs/holiday/month_report.php
index c8ef3267ec66410e5546e776185af41ca406a642..70eb6049e74e096d81a60fba1c77b288f0978823 100644
--- a/htdocs/holiday/month_report.php
+++ b/htdocs/holiday/month_report.php
@@ -20,15 +20,12 @@
  *   	\file       month_report.php
  *		\ingroup    holiday
  *		\brief      Monthly report of paid holiday.
- *		\version    $Id: month_report.php,v 1.00 2011/09/15 11:00:00 flegastelois Exp $
- *		\author		flegastelois@teclib.com <François Legastelois>
- *		\remarks	   Monthly report of paid holiday.
  */
-require('../main.inc.php');
-require_once(DOL_DOCUMENT_ROOT.'/user/class/user.class.php');
-require_once(DOL_DOCUMENT_ROOT.'/core/class/html.form.class.php');
-require_once(DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php');
-require_once(DOL_DOCUMENT_ROOT. "/holiday/common.inc.php");
+
+require DOL_DOCUMENT_ROOT. '/holiday/common.inc.php';
+require_once DOL_DOCUMENT_ROOT.'/user/class/user.class.php';
+require_once DOL_DOCUMENT_ROOT.'/core/class/html.form.class.php';
+require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
 
 // Protection if external user
 if ($user->societe_id > 0) accessforbidden();
diff --git a/htdocs/holiday/view_log.php b/htdocs/holiday/view_log.php
index 786f9d3dab6a99821273374c9056cd9afdfe4e46..177dd2cc498c1fc97ed980d5e8e94ca9bfab6fb0 100644
--- a/htdocs/holiday/view_log.php
+++ b/htdocs/holiday/view_log.php
@@ -23,9 +23,8 @@
  *  \ingroup    holiday
  */
 
-require('../main.inc.php');
-require_once(DOL_DOCUMENT_ROOT. "/user/class/user.class.php");
-require_once(DOL_DOCUMENT_ROOT. "/holiday/common.inc.php");
+require DOL_DOCUMENT_ROOT. '/holiday/common.inc.php';
+require_once DOL_DOCUMENT_ROOT. '/user/class/user.class.php';
 
 // Protection if external user
 if ($user->societe_id > 0) accessforbidden();