diff --git a/htdocs/admin/accountant.php b/htdocs/admin/accountant.php
index 73d6be66ed7..2afd97f40c5 100644
--- a/htdocs/admin/accountant.php
+++ b/htdocs/admin/accountant.php
@@ -31,8 +31,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/html.formcompany.class.php';
 $action=GETPOST('action','aZ09');
 $contextpage=GETPOST('contextpage','aZ')?GETPOST('contextpage','aZ'):'adminaccoutant';   // To manage different context of search
 
-$langs->load("admin");
-$langs->load("companies");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'companies'));
 
 if (! $user->admin) accessforbidden();
 
diff --git a/htdocs/admin/agenda.php b/htdocs/admin/agenda.php
index 748fc7a0309..6fedfa6d2cb 100644
--- a/htdocs/admin/agenda.php
+++ b/htdocs/admin/agenda.php
@@ -31,9 +31,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/agenda.lib.php';
 if (!$user->admin)
     accessforbidden();
 
-$langs->load("admin");
-$langs->load("other");
-$langs->load("agenda");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'other', 'agenda'));
 
 $action = GETPOST('action','alpha');
 $cancel = GETPOST('cancel','alpha');
diff --git a/htdocs/admin/agenda_extrafields.php b/htdocs/admin/agenda_extrafields.php
index 4c61500494d..fadb144b883 100644
--- a/htdocs/admin/agenda_extrafields.php
+++ b/htdocs/admin/agenda_extrafields.php
@@ -34,9 +34,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
 if (!$user->admin)
 	accessforbidden();
 
-$langs->load("admin");
-$langs->load("other");
-$langs->load("agenda");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'other', 'agenda'));
 
 $extrafields = new ExtraFields($db);
 $form = new Form($db);
diff --git a/htdocs/admin/agenda_extsites.php b/htdocs/admin/agenda_extsites.php
index f40ab648e42..906ecd8d092 100644
--- a/htdocs/admin/agenda_extsites.php
+++ b/htdocs/admin/agenda_extsites.php
@@ -34,9 +34,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 
 if (!$user->admin) accessforbidden();
 
-$langs->load("agenda");
-$langs->load("admin");
-$langs->load("other");
+// Load translation files required by the page
+$langs->loadLangs(array('agenda', 'admin', 'other'));
 
 $def = array();
 $actiontest=GETPOST('test','alpha');
diff --git a/htdocs/admin/agenda_other.php b/htdocs/admin/agenda_other.php
index b6b332a4b99..2d20d285720 100644
--- a/htdocs/admin/agenda_other.php
+++ b/htdocs/admin/agenda_other.php
@@ -34,9 +34,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/html.formactions.class.php';
 if (!$user->admin)
     accessforbidden();
 
-$langs->load("admin");
-$langs->load("other");
-$langs->load("agenda");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'other', 'agenda'));
 
 $action = GETPOST('action','alpha');
 $value = GETPOST('value','alpha');
diff --git a/htdocs/admin/agenda_reminder.php b/htdocs/admin/agenda_reminder.php
index 76b69073f25..e78a8e089ed 100644
--- a/htdocs/admin/agenda_reminder.php
+++ b/htdocs/admin/agenda_reminder.php
@@ -29,6 +29,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/html.formactions.class.php';
 if (!$user->admin)
     accessforbidden();
 
+// Load translation files required by the page
 $langs->loadLangs(array("admin","other","agenda"));
 
 $action = GETPOST('action','alpha');
diff --git a/htdocs/admin/agenda_xcal.php b/htdocs/admin/agenda_xcal.php
index ab0effc2c45..481a850790e 100644
--- a/htdocs/admin/agenda_xcal.php
+++ b/htdocs/admin/agenda_xcal.php
@@ -32,6 +32,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/agenda.lib.php';
 if (!$user->admin)
     accessforbidden();
 
+// Load translation files required by the page
 $langs->loadLangs(array("admin","other","agenda"));
 
 $def = array();
diff --git a/htdocs/admin/bank.php b/htdocs/admin/bank.php
index dcecd0c78c1..a4e9e4bb210 100644
--- a/htdocs/admin/bank.php
+++ b/htdocs/admin/bank.php
@@ -31,7 +31,7 @@ require_once DOL_DOCUMENT_ROOT . '/core/lib/bank.lib.php';
 require_once DOL_DOCUMENT_ROOT . '/compta/bank/class/account.class.php';
 require_once DOL_DOCUMENT_ROOT . '/societe/class/companybankaccount.class.php';
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("admin","companies","bills","other","banks"));
 
 if (!$user->admin)
diff --git a/htdocs/admin/bank_extrafields.php b/htdocs/admin/bank_extrafields.php
index aba65f63887..19446092923 100644
--- a/htdocs/admin/bank_extrafields.php
+++ b/htdocs/admin/bank_extrafields.php
@@ -30,8 +30,8 @@ require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/bank.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
 
-$langs->load("banks");
-$langs->load("admin");
+// Load translation files required by the page
+$langs->loadLangs(array('banks', 'admin'));
 
 $extrafields = new ExtraFields($db);
 $form = new Form($db);
diff --git a/htdocs/admin/barcode.php b/htdocs/admin/barcode.php
index db2b85fa986..7c6792e1a02 100644
--- a/htdocs/admin/barcode.php
+++ b/htdocs/admin/barcode.php
@@ -28,6 +28,7 @@ require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formbarcode.class.php';
 
+// Load translation files required by the page
 $langs->load("admin");
 
 if (!$user->admin) accessforbidden();
diff --git a/htdocs/admin/boxes.php b/htdocs/admin/boxes.php
index bc1dc74f6c4..04fd76e96fc 100644
--- a/htdocs/admin/boxes.php
+++ b/htdocs/admin/boxes.php
@@ -28,8 +28,8 @@ include_once DOL_DOCUMENT_ROOT.'/core/boxes/modules_boxes.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/infobox.class.php';
 include_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
-$langs->load("admin");
-$langs->load("boxes");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'boxes'));
 
 if (! $user->admin) accessforbidden();
 
diff --git a/htdocs/admin/chequereceipts.php b/htdocs/admin/chequereceipts.php
index 0d2363f60c8..df628ecc87f 100644
--- a/htdocs/admin/chequereceipts.php
+++ b/htdocs/admin/chequereceipts.php
@@ -31,7 +31,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/pdf.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/bank.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/paiement/cheque/class/remisecheque.class.php';
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("admin","companies","bills","other","banks"));
 
 if (!$user->admin)
diff --git a/htdocs/admin/clicktodial.php b/htdocs/admin/clicktodial.php
index 582131b22f3..c2cfaf9f72a 100644
--- a/htdocs/admin/clicktodial.php
+++ b/htdocs/admin/clicktodial.php
@@ -26,6 +26,7 @@
 require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
+// Load translation files required by the page
 $langs->load("admin");
 
 if (!$user->admin) accessforbidden();
diff --git a/htdocs/admin/commande.php b/htdocs/admin/commande.php
index cd4f4ca4ab2..cee12e4b08e 100644
--- a/htdocs/admin/commande.php
+++ b/htdocs/admin/commande.php
@@ -36,10 +36,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/pdf.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/commande/class/commande.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/order.lib.php';
 
-$langs->load("admin");
-$langs->load("errors");
-$langs->load("orders");
-$langs->load('other');
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'errors', 'orders', 'other'));
 
 if (! $user->admin) accessforbidden();
 
diff --git a/htdocs/admin/company.php b/htdocs/admin/company.php
index ab5e3f103fd..334a01c865a 100644
--- a/htdocs/admin/company.php
+++ b/htdocs/admin/company.php
@@ -40,8 +40,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/html.formcompany.class.php';
 $action=GETPOST('action','aZ09');
 $contextpage=GETPOST('contextpage','aZ')?GETPOST('contextpage','aZ'):'admincompany';   // To manage different context of search
 
-$langs->load("admin");
-$langs->load("companies");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'companies'));
 
 if (! $user->admin) accessforbidden();
 
diff --git a/htdocs/admin/compta.php b/htdocs/admin/compta.php
index 3f765d3e18c..8e17541bfef 100644
--- a/htdocs/admin/compta.php
+++ b/htdocs/admin/compta.php
@@ -29,9 +29,8 @@
 require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
-$langs->load('admin');
-$langs->load('compta');
-$langs->load('accountancy');
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'compta', 'accountancy'));
 
 if (!$user->admin)
 accessforbidden();
diff --git a/htdocs/admin/confexped.php b/htdocs/admin/confexped.php
index cd771cdb0f7..e4691a42e78 100644
--- a/htdocs/admin/confexped.php
+++ b/htdocs/admin/confexped.php
@@ -29,9 +29,8 @@ require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/expedition.lib.php';
 
-$langs->load("admin");
-$langs->load("sendings");
-$langs->load("deliveries");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'sendings', 'deliveries'));
 
 if (!$user->admin)
   accessforbidden();
diff --git a/htdocs/admin/const.php b/htdocs/admin/const.php
index 7d7b8a8510c..afb2d31efce 100644
--- a/htdocs/admin/const.php
+++ b/htdocs/admin/const.php
@@ -27,6 +27,7 @@
 require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
+// Load translation files required by the page
 $langs->load("admin");
 
 if (! $user->admin)
diff --git a/htdocs/admin/contract.php b/htdocs/admin/contract.php
index 82fa51e5ca8..74f7acb04f3 100644
--- a/htdocs/admin/contract.php
+++ b/htdocs/admin/contract.php
@@ -28,7 +28,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/pdf.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/contrat/class/contrat.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/contract.lib.php';
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("admin","errors","contracts"));
 
 if (!$user->admin) accessforbidden();
diff --git a/htdocs/admin/dav.php b/htdocs/admin/dav.php
index 091c9ff66bf..4f3d45294a9 100644
--- a/htdocs/admin/dav.php
+++ b/htdocs/admin/dav.php
@@ -25,6 +25,7 @@ require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/dav/dav.lib.php';
 
+// Load translation files required by the page
 $langs->loadLangs(array("admin","other","agenda"));
 
 if (!$user->admin)
diff --git a/htdocs/admin/defaultvalues.php b/htdocs/admin/defaultvalues.php
index 5c17fd32eb0..0633ee90965 100644
--- a/htdocs/admin/defaultvalues.php
+++ b/htdocs/admin/defaultvalues.php
@@ -26,12 +26,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formadmin.class.php';
 
-$langs->load("companies");
-$langs->load("products");
-$langs->load("admin");
-$langs->load("sms");
-$langs->load("other");
-$langs->load("errors");
+// Load translation files required by the page
+$langs->loadLangs(array('companies', 'products', 'admin', 'sms', 'other', 'errors'));
 
 if (!$user->admin) accessforbidden();
 
diff --git a/htdocs/admin/delais.php b/htdocs/admin/delais.php
index 4cf423b317f..ae3c43c5b24 100644
--- a/htdocs/admin/delais.php
+++ b/htdocs/admin/delais.php
@@ -27,6 +27,7 @@
 require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
+// Load translation files required by the page
 $langs->load("admin");
 
 if (! $user->admin) accessforbidden();
diff --git a/htdocs/admin/dict.php b/htdocs/admin/dict.php
index 74e4dd6bd4e..65ceb912ea9 100644
--- a/htdocs/admin/dict.php
+++ b/htdocs/admin/dict.php
@@ -41,6 +41,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/doleditor.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/accounting.lib.php';
 if (! empty($conf->accounting->enabled)) require_once DOL_DOCUMENT_ROOT . '/core/class/html.formaccounting.class.php';
 
+// Load translation files required by the page
 $langs->loadLangs(array("errors","admin","main","companies","resource","holiday","accountancy","hrm","orders","contracts","projects","propal","bills","interventions"));
 
 $action=GETPOST('action','alpha')?GETPOST('action','alpha'):'view';
diff --git a/htdocs/admin/ecm.php b/htdocs/admin/ecm.php
index cf1992dce5f..dc2f3e489f7 100644
--- a/htdocs/admin/ecm.php
+++ b/htdocs/admin/ecm.php
@@ -25,6 +25,7 @@
 require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
+// Load translation files required by the page
 $langs->load("admin");
 
 if (! $user->admin) accessforbidden();
@@ -109,4 +110,4 @@ print '</td></tr>';
 print '</table>';
 
 llxFooter();
-$db->close();
\ No newline at end of file
+$db->close();
diff --git a/htdocs/admin/events.php b/htdocs/admin/events.php
index 6f4dce93e8c..1d1ec548853 100644
--- a/htdocs/admin/events.php
+++ b/htdocs/admin/events.php
@@ -31,7 +31,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/events.class.php';
 if (!$user->admin)
 accessforbidden();
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("users","admin","other"));
 
 $action=GETPOST('action','aZ09');
diff --git a/htdocs/admin/expedition.php b/htdocs/admin/expedition.php
index 311398a78e1..eb18f904229 100644
--- a/htdocs/admin/expedition.php
+++ b/htdocs/admin/expedition.php
@@ -34,7 +34,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/pdf.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/expedition.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/expedition/class/expedition.class.php';
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("admin", "sendings", "deliveries", "other"));
 
 if (! $user->admin)
diff --git a/htdocs/admin/expedition_extrafields.php b/htdocs/admin/expedition_extrafields.php
index a12ed1f9b34..af49e5bf064 100644
--- a/htdocs/admin/expedition_extrafields.php
+++ b/htdocs/admin/expedition_extrafields.php
@@ -35,10 +35,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
 if (!$user->admin)
 	accessforbidden();
 
-$langs->load("admin");
-$langs->load("other");
-$langs->load("sendings");
-$langs->load("deliveries");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'other', 'sendings', 'deliveries'));
 
 
 $extrafields = new ExtraFields($db);
diff --git a/htdocs/admin/expeditiondet_extrafields.php b/htdocs/admin/expeditiondet_extrafields.php
index 073451eba6e..5567e9480e8 100644
--- a/htdocs/admin/expeditiondet_extrafields.php
+++ b/htdocs/admin/expeditiondet_extrafields.php
@@ -37,9 +37,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
 if (!$user->admin)
 	accessforbidden();
 
-$langs->load("admin");
-$langs->load("other");
-$langs->load("sendings");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'other', 'sendings'));
 
 $extrafields = new ExtraFields($db);
 $form = new Form($db);
diff --git a/htdocs/admin/expensereport.php b/htdocs/admin/expensereport.php
index 6d164b25282..1002b146113 100644
--- a/htdocs/admin/expensereport.php
+++ b/htdocs/admin/expensereport.php
@@ -34,10 +34,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/pdf.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/expensereport.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/expensereport/class/expensereport.class.php';
 
-$langs->load("admin");
-$langs->load("errors");
-$langs->load("trips");
-$langs->load('other');
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'errors', 'trips', 'other'));
 
 if (! $user->admin) accessforbidden();
 
diff --git a/htdocs/admin/expensereport_extrafields.php b/htdocs/admin/expensereport_extrafields.php
index a83c9b04194..8db81edb869 100644
--- a/htdocs/admin/expensereport_extrafields.php
+++ b/htdocs/admin/expensereport_extrafields.php
@@ -33,10 +33,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
 if (!$user->admin)
 	accessforbidden();
 
-$langs->load("admin");
-$langs->load("errors");
-$langs->load("trips");
-$langs->load('other');
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'errors', 'trips', 'other'));
 
 $extrafields = new ExtraFields($db);
 $form = new Form($db);
diff --git a/htdocs/admin/expensereport_ik.php b/htdocs/admin/expensereport_ik.php
index bb68ea2182e..db7100d5928 100644
--- a/htdocs/admin/expensereport_ik.php
+++ b/htdocs/admin/expensereport_ik.php
@@ -30,7 +30,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/expensereport.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/expensereport/class/expensereport.class.php';
 require_once DOL_DOCUMENT_ROOT.'/expensereport/class/expensereport_ik.class.php';
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("admin","trips","errors","other","dict"));
 
 if (!$user->admin) accessforbidden();
@@ -181,4 +181,4 @@ echo '</form>';
 dol_fiche_end();
 llxFooter();
 
-$db->close();
\ No newline at end of file
+$db->close();
diff --git a/htdocs/admin/expensereport_rules.php b/htdocs/admin/expensereport_rules.php
index ef915e196a2..b1d65b8635b 100644
--- a/htdocs/admin/expensereport_rules.php
+++ b/htdocs/admin/expensereport_rules.php
@@ -30,7 +30,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/expensereport.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/expensereport/class/expensereport.class.php';
 require_once DOL_DOCUMENT_ROOT.'/expensereport/class/expensereport_rule.class.php';
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("admin","other","trips","errors","dict"));
 
 if (!$user->admin) accessforbidden();
@@ -356,4 +356,4 @@ echo '<script type="text/javascript"> $(function() {
 dol_fiche_end();
 llxFooter();
 
-$db->close();
\ No newline at end of file
+$db->close();
diff --git a/htdocs/admin/export.php b/htdocs/admin/export.php
index 51de27998da..b6f12a723ff 100644
--- a/htdocs/admin/export.php
+++ b/htdocs/admin/export.php
@@ -31,9 +31,8 @@
 require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
-
-$langs->load("admin");
-$langs->load("exports");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'exports'));
 
 $langs->load('other');
 
@@ -100,4 +99,4 @@ print '</table>';
 
 llxFooter();
 
-$db->close();
\ No newline at end of file
+$db->close();
diff --git a/htdocs/admin/external_rss.php b/htdocs/admin/external_rss.php
index a1d542203cf..e8683dfc4ee 100644
--- a/htdocs/admin/external_rss.php
+++ b/htdocs/admin/external_rss.php
@@ -31,6 +31,7 @@ require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/rssparser.class.php';
 
+// Load translation files required by the page
 $langs->load("admin");
 
 // Security check
diff --git a/htdocs/admin/facture.php b/htdocs/admin/facture.php
index 4fab390a4cc..f00d125a4d5 100644
--- a/htdocs/admin/facture.php
+++ b/htdocs/admin/facture.php
@@ -33,10 +33,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/pdf.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/invoice.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 
-$langs->load("admin");
-$langs->load("errors");
-$langs->load('other');
-$langs->load('bills');
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'errors', 'other', 'bills'));
 
 if (! $user->admin) accessforbidden();
 
diff --git a/htdocs/admin/fckeditor.php b/htdocs/admin/fckeditor.php
index 53a2f8bf2da..19d4a4cc772 100644
--- a/htdocs/admin/fckeditor.php
+++ b/htdocs/admin/fckeditor.php
@@ -28,8 +28,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/doleditor.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/doleditor.class.php';
 
-$langs->load("admin");
-$langs->load("fckeditor");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'fckeditor'));
 
 $action = GETPOST('action','alpha');
 // Possible modes are:
diff --git a/htdocs/admin/fichinter.php b/htdocs/admin/fichinter.php
index 46c9d5fec9e..a216f2d4ab7 100644
--- a/htdocs/admin/fichinter.php
+++ b/htdocs/admin/fichinter.php
@@ -34,10 +34,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/pdf.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/fichinter.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/fichinter/class/fichinter.class.php';
 
-$langs->load("admin");
-$langs->load("errors");
-$langs->load("interventions");
-$langs->load('other');
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'errors', 'interventions', 'other'));
 
 if (! $user->admin) accessforbidden();
 
diff --git a/htdocs/admin/geoipmaxmind.php b/htdocs/admin/geoipmaxmind.php
index 59ce46921a7..9c944324527 100644
--- a/htdocs/admin/geoipmaxmind.php
+++ b/htdocs/admin/geoipmaxmind.php
@@ -30,7 +30,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/dolgeoip.class.php';
 if (!$user->admin)
 accessforbidden();
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("admin","errors"));
 
 $action = GETPOST('action','aZ09');
diff --git a/htdocs/admin/ihm.php b/htdocs/admin/ihm.php
index ed687288a0a..62f17d5cb1d 100644
--- a/htdocs/admin/ihm.php
+++ b/htdocs/admin/ihm.php
@@ -32,16 +32,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formadmin.class.php';
 
-$langs->load("admin");
-$langs->load("languages");
-$langs->load("other");
-
-$langs->load("companies");
-$langs->load("products");
-$langs->load("members");
-$langs->load("projects");
-$langs->load("hrm");
-$langs->load("agenda");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'languages', 'other', 'companies', 'products', 'members', 'projects', 'hrm', 'agenda'));
 
 if (! $user->admin) accessforbidden();
 
diff --git a/htdocs/admin/index.php b/htdocs/admin/index.php
index 0aa8b14199d..6542cec1174 100644
--- a/htdocs/admin/index.php
+++ b/htdocs/admin/index.php
@@ -24,8 +24,8 @@
 
 require '../main.inc.php';
 
-$langs->load("admin");
-$langs->load("companies");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'companies'));
 
 if (!$user->admin) accessforbidden();
 
diff --git a/htdocs/admin/ldap.php b/htdocs/admin/ldap.php
index 141273a8f8c..6776cfb1480 100644
--- a/htdocs/admin/ldap.php
+++ b/htdocs/admin/ldap.php
@@ -31,6 +31,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/ldap.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/ldap.lib.php';
 
+// Load translation files required by the page
 $langs->load("admin");
 
 if (!$user->admin)
diff --git a/htdocs/admin/ldap_contacts.php b/htdocs/admin/ldap_contacts.php
index a16f147586a..3188bf6e58a 100644
--- a/htdocs/admin/ldap_contacts.php
+++ b/htdocs/admin/ldap_contacts.php
@@ -32,7 +32,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/ldap.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/ldap.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("admin","errors"));
 
 if (!$user->admin)
diff --git a/htdocs/admin/ldap_groups.php b/htdocs/admin/ldap_groups.php
index a1d69c7216b..4ae6ce9ad97 100644
--- a/htdocs/admin/ldap_groups.php
+++ b/htdocs/admin/ldap_groups.php
@@ -33,7 +33,7 @@ require_once DOL_DOCUMENT_ROOT.'/user/class/usergroup.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/ldap.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/ldap.lib.php';
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("admin","errors"));
 
 if (!$user->admin)
diff --git a/htdocs/admin/ldap_members.php b/htdocs/admin/ldap_members.php
index d363d8811e4..616eb99a8da 100644
--- a/htdocs/admin/ldap_members.php
+++ b/htdocs/admin/ldap_members.php
@@ -33,8 +33,8 @@ require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent_type.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/ldap.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/ldap.lib.php';
 
-$langs->load("admin");
-$langs->load("errors");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'errors'));
 
 if (!$user->admin)
   accessforbidden();
diff --git a/htdocs/admin/ldap_members_types.php b/htdocs/admin/ldap_members_types.php
index b5f278a8968..e45857f2f38 100644
--- a/htdocs/admin/ldap_members_types.php
+++ b/htdocs/admin/ldap_members_types.php
@@ -33,8 +33,8 @@ require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent_type.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/ldap.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/ldap.lib.php';
 
-$langs->load("admin");
-$langs->load("errors");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'errors'));
 
 if (!$user->admin)
 	accessforbidden();
diff --git a/htdocs/admin/ldap_users.php b/htdocs/admin/ldap_users.php
index 1181d2860fb..8b11069fc61 100644
--- a/htdocs/admin/ldap_users.php
+++ b/htdocs/admin/ldap_users.php
@@ -33,8 +33,8 @@ require_once DOL_DOCUMENT_ROOT.'/user/class/usergroup.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/ldap.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/ldap.lib.php';
 
-$langs->load("admin");
-$langs->load("errors");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'errors'));
 
 if (!$user->admin)
   accessforbidden();
diff --git a/htdocs/admin/limits.php b/htdocs/admin/limits.php
index 36b0d4d0df1..e9389b0271d 100644
--- a/htdocs/admin/limits.php
+++ b/htdocs/admin/limits.php
@@ -26,9 +26,8 @@ require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/price.lib.php';
 
-$langs->load("companies");
-$langs->load("products");
-$langs->load("admin");
+// Load translation files required by the page
+$langs->loadLangs(array('companies', 'products', 'admin'));
 
 if (! $user->admin) accessforbidden();
 
@@ -38,8 +37,8 @@ if ($action == 'update')
 {
     $error=0;
     $MAXDEC=8;
-    if ($_POST["MAIN_MAX_DECIMALS_UNIT"]  > $MAXDEC
-    || $_POST["MAIN_MAX_DECIMALS_TOT"]   > $MAXDEC
+    if ($_POST["MAIN_MAX_DECIMALS_UNIT"] > $MAXDEC
+    || $_POST["MAIN_MAX_DECIMALS_TOT"] > $MAXDEC
     || $_POST["MAIN_MAX_DECIMALS_SHOWN"] > $MAXDEC)
     {
         $error++;
diff --git a/htdocs/admin/livraison.php b/htdocs/admin/livraison.php
index 0af26a0a2b7..88ce717f005 100644
--- a/htdocs/admin/livraison.php
+++ b/htdocs/admin/livraison.php
@@ -34,7 +34,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/pdf.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/expedition.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/livraison/class/livraison.class.php';
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("admin", "sendings", "deliveries", "other"));
 
 if (!$user->admin) accessforbidden();
diff --git a/htdocs/admin/livraison_extrafields.php b/htdocs/admin/livraison_extrafields.php
index 5e9a6824899..6ccf798bc93 100644
--- a/htdocs/admin/livraison_extrafields.php
+++ b/htdocs/admin/livraison_extrafields.php
@@ -35,10 +35,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
 if (!$user->admin)
 	accessforbidden();
 
-$langs->load("admin");
-$langs->load("other");
-$langs->load("sendings");
-$langs->load("deliveries");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'other', 'sendings', 'deliveries'));
 
 
 $extrafields = new ExtraFields($db);
diff --git a/htdocs/admin/livraisondet_extrafields.php b/htdocs/admin/livraisondet_extrafields.php
index f563100a326..431d5c3c170 100644
--- a/htdocs/admin/livraisondet_extrafields.php
+++ b/htdocs/admin/livraisondet_extrafields.php
@@ -37,9 +37,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
 if (!$user->admin)
 	accessforbidden();
 
-$langs->load("admin");
-$langs->load("other");
-$langs->load("sendings");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'other', 'sendings'));
 
 $extrafields = new ExtraFields($db);
 $form = new Form($db);
diff --git a/htdocs/admin/loan.php b/htdocs/admin/loan.php
index 1b5fdafcbb2..3349ac0056a 100644
--- a/htdocs/admin/loan.php
+++ b/htdocs/admin/loan.php
@@ -28,8 +28,8 @@ require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 if (! empty($conf->accounting->enabled)) require_once DOL_DOCUMENT_ROOT . '/core/class/html.formaccounting.class.php';
 
-$langs->load("admin");
-$langs->load("loan");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'loan'));
 
 // Security check
 if (!$user->admin)
@@ -123,4 +123,4 @@ print "</table>\n";
 print '<br><div style="text-align:center"><input type="submit" class="button" value="'.$langs->trans('Modify').'" name="button"></div>';
 
 llxFooter();
-$db->close();
\ No newline at end of file
+$db->close();
diff --git a/htdocs/admin/mailing.php b/htdocs/admin/mailing.php
index 1cbb177f3e5..32fbdd4aeb6 100644
--- a/htdocs/admin/mailing.php
+++ b/htdocs/admin/mailing.php
@@ -27,7 +27,7 @@ require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/security2.lib.php';
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("admin", "mails"));
 
 if (!$user->admin) accessforbidden();
diff --git a/htdocs/admin/mailman.php b/htdocs/admin/mailman.php
index bb53349d1b7..b831c13823f 100644
--- a/htdocs/admin/mailman.php
+++ b/htdocs/admin/mailman.php
@@ -32,7 +32,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/mailmanspip.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("admin", "members", "mailmanspip"));
 
 if (! $user->admin) accessforbidden();
diff --git a/htdocs/admin/mails.php b/htdocs/admin/mails.php
index f4c5a2531ff..019ea02e192 100644
--- a/htdocs/admin/mails.php
+++ b/htdocs/admin/mails.php
@@ -27,7 +27,7 @@ require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("companies", "products", "admin", "mails", "other", "errors"));
 
 $action=GETPOST('action','alpha');
diff --git a/htdocs/admin/mails_emailing.php b/htdocs/admin/mails_emailing.php
index 1cb92ae8377..91826f2be1d 100644
--- a/htdocs/admin/mails_emailing.php
+++ b/htdocs/admin/mails_emailing.php
@@ -27,12 +27,8 @@ require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 
-$langs->load("companies");
-$langs->load("products");
-$langs->load("admin");
-$langs->load("mails");
-$langs->load("other");
-$langs->load("errors");
+// Load translation files required by the page
+$langs->loadLangs(array('companies', 'products', 'admin', 'mails', 'other', 'errors'));
 
 $action=GETPOST('action','alpha');
 
diff --git a/htdocs/admin/mails_senderprofile_list.php b/htdocs/admin/mails_senderprofile_list.php
index 5f0288525a0..b6268e7fc1e 100644
--- a/htdocs/admin/mails_senderprofile_list.php
+++ b/htdocs/admin/mails_senderprofile_list.php
@@ -29,7 +29,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/emailsenderprofile.class.php';
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("errors","admin","mails","languages"));
 
 $action     = GETPOST('action','alpha')?GETPOST('action','alpha'):'view';				// The action 'add', 'create', 'edit', 'update', 'view', ...
diff --git a/htdocs/admin/mails_templates.php b/htdocs/admin/mails_templates.php
index 60db9fae8c4..af7d29c0fd6 100644
--- a/htdocs/admin/mails_templates.php
+++ b/htdocs/admin/mails_templates.php
@@ -41,7 +41,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/doleditor.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/accounting.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formaccounting.class.php';
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("errors","admin","mails","languages"));
 
 $action     = GETPOST('action','alpha')?GETPOST('action','alpha'):'view';
diff --git a/htdocs/admin/menus.php b/htdocs/admin/menus.php
index a5f2fb2a2ff..083d78c03e5 100644
--- a/htdocs/admin/menus.php
+++ b/htdocs/admin/menus.php
@@ -30,6 +30,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/html.formadmin.class.php';
 $action=GETPOST('action','aZ09');
 $cancel=GETPOST('cancel','alpha');
 
+// Load translation files required by the page
 $langs->loadLangs(array("companies","products","admin","users","other"));
 
 // Security check
diff --git a/htdocs/admin/modulehelp.php b/htdocs/admin/modulehelp.php
index 8d44421186d..cf4596ccda2 100644
--- a/htdocs/admin/modulehelp.php
+++ b/htdocs/admin/modulehelp.php
@@ -28,8 +28,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 
-$langs->load("errors");
-$langs->load("admin");
+// Load translation files required by the page
+$langs->loadLangs(array('errors', 'admin'));
 
 $mode=GETPOST('mode', 'alpha');
 $action=GETPOST('action','alpha');
diff --git a/htdocs/admin/modules.php b/htdocs/admin/modules.php
index 22925f09a3e..10a9ccb5fc3 100644
--- a/htdocs/admin/modules.php
+++ b/htdocs/admin/modules.php
@@ -34,6 +34,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/geturl.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/admin/dolistore/class/dolistore.class.php';
 
+// Load translation files required by the page
 $langs->loadLangs(array("errors","admin","modulebuilder"));
 
 $mode=GETPOST('mode', 'alpha');
diff --git a/htdocs/admin/multicurrency.php b/htdocs/admin/multicurrency.php
index 467ffffeb41..33c00579b36 100644
--- a/htdocs/admin/multicurrency.php
+++ b/htdocs/admin/multicurrency.php
@@ -32,9 +32,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/multicurrency.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/multicurrency/class/multicurrency.class.php';
 
 
-// Translations
-$langs->load("admin");
-$langs->load("multicurrency");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'multicurrency'));
 
 // Access control
 if (! $user->admin) {
diff --git a/htdocs/admin/notification.php b/htdocs/admin/notification.php
index f71bc87fc2d..43782816202 100644
--- a/htdocs/admin/notification.php
+++ b/htdocs/admin/notification.php
@@ -29,13 +29,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/notify.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/triggers/interface_50_modNotification_Notification.class.php';
 
-$langs->load("admin");
-$langs->load("other");
-$langs->load("orders");
-$langs->load("propal");
-$langs->load("bills");
-$langs->load("errors");
-$langs->load("mails");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'other', 'orders', 'propal', 'bills', 'errors', 'mails'));
 
 // Security check
 if (!$user->admin)
diff --git a/htdocs/admin/oauth.php b/htdocs/admin/oauth.php
index 99ade75fdfe..f03af4655d4 100644
--- a/htdocs/admin/oauth.php
+++ b/htdocs/admin/oauth.php
@@ -1,5 +1,5 @@
 <?php
-/* Copyright (C) 2015       Frederic France     <frederic.france@free.fr>
+/* Copyright (C) 2015-2018  Frederic France     <frederic.france@netlogic.fr>
  * Copyright (C) 2016       Raphaël Doursenaud  <rdoursenaud@gpcsolutions.fr>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -33,9 +33,8 @@ $urlwithouturlroot=preg_replace('/'.preg_quote(DOL_URL_ROOT,'/').'$/i','',trim($
 $urlwithroot=$urlwithouturlroot.DOL_URL_ROOT;		// This is to use external domain name found into config file
 //$urlwithroot=DOL_MAIN_URL_ROOT;					// This is to use same domain name than current
 
-
-$langs->load("admin");
-$langs->load("oauth");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'oauth'));
 
 // Security check
 if (!$user->admin)
diff --git a/htdocs/admin/oauthlogintokens.php b/htdocs/admin/oauthlogintokens.php
index 97b774edf80..4406dbd9576 100644
--- a/htdocs/admin/oauthlogintokens.php
+++ b/htdocs/admin/oauthlogintokens.php
@@ -1,6 +1,6 @@
 <?php
 /* Copyright (C) 2013-2016  Laurent Destailleur  <eldy@users.sourceforge.net>
- * Copyright (C) 2014-2015  Frederic France      <frederic.france@free.fr>
+ * Copyright (C) 2014-2018  Frederic France      <frederic.france@netlogic.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -28,9 +28,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/oauth.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/doleditor.class.php';
 use OAuth\Common\Storage\DoliStorage;
 
-$langs->load("admin");
-$langs->load("printing");
-$langs->load("oauth");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'printing', 'oauth'));
 
 if (! $user->admin) accessforbidden();
 
diff --git a/htdocs/admin/order_extrafields.php b/htdocs/admin/order_extrafields.php
index 0019f7ae8c3..361fc5b67bb 100644
--- a/htdocs/admin/order_extrafields.php
+++ b/htdocs/admin/order_extrafields.php
@@ -34,9 +34,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
 if (!$user->admin)
 	accessforbidden();
 
-$langs->load("admin");
-$langs->load("other");
-$langs->load("orders");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'other', 'orders'));
 
 $extrafields = new ExtraFields($db);
 $form = new Form($db);
diff --git a/htdocs/admin/orderdet_extrafields.php b/htdocs/admin/orderdet_extrafields.php
index 37c83f5dfe0..fc6322fac64 100644
--- a/htdocs/admin/orderdet_extrafields.php
+++ b/htdocs/admin/orderdet_extrafields.php
@@ -35,9 +35,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
 if (!$user->admin)
 	accessforbidden();
 
-$langs->load("admin");
-$langs->load("other");
-$langs->load("orders");
+// Load translation files required by the page
+$langs->loadlangs(array('admin', 'other', 'orders'));
 
 $extrafields = new ExtraFields($db);
 $form = new Form($db);
diff --git a/htdocs/admin/payment.php b/htdocs/admin/payment.php
index 4fe15379629..1864fdb557c 100644
--- a/htdocs/admin/payment.php
+++ b/htdocs/admin/payment.php
@@ -26,7 +26,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/invoice.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/paiement/class/paiement.class.php';
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("admin", "other", "errors", "bills"));
 
 if (! $user->admin) accessforbidden();
diff --git a/htdocs/admin/pdf.php b/htdocs/admin/pdf.php
index e0c2d776d7a..f988b27c5e6 100644
--- a/htdocs/admin/pdf.php
+++ b/htdocs/admin/pdf.php
@@ -31,9 +31,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/pdf.lib.php';
 
-$langs->load("admin");
-$langs->load("languages");
-$langs->load("other");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'languages', 'other'));
 
 $langs->load("companies");
 $langs->load("products");
diff --git a/htdocs/admin/perms.php b/htdocs/admin/perms.php
index d3880586f41..50bf939c07f 100644
--- a/htdocs/admin/perms.php
+++ b/htdocs/admin/perms.php
@@ -28,9 +28,8 @@ require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 
-$langs->load("admin");
-$langs->load("users");
-$langs->load("other");
+// Load translation files required by the page
+$langs->loadLangs(array('admin', 'users', 'other'));
 
 $action=GETPOST('action','aZ09');
 
diff --git a/htdocs/api/admin/explorer.php b/htdocs/api/admin/explorer.php
index d075da3f344..c3b54e36b6c 100644
--- a/htdocs/api/admin/explorer.php
+++ b/htdocs/api/admin/explorer.php
@@ -30,6 +30,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/api/class/api.class.php';
 require_once DOL_DOCUMENT_ROOT.'/api/class/api_access.class.php';
 
+// Load translation files required by the page
 $langs->load("admin");
 
 
diff --git a/htdocs/api/admin/index.php b/htdocs/api/admin/index.php
index 7ebff2c5da6..4017f3c93ac 100644
--- a/htdocs/api/admin/index.php
+++ b/htdocs/api/admin/index.php
@@ -29,6 +29,7 @@ require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 
+// Load translation files required by the page
 $langs->load("admin");
 
 if (! $user->admin)
diff --git a/htdocs/asset/admin/assets_extrafields.php b/htdocs/asset/admin/assets_extrafields.php
index 52c1f042836..0d134a675c1 100644
--- a/htdocs/asset/admin/assets_extrafields.php
+++ b/htdocs/asset/admin/assets_extrafields.php
@@ -26,6 +26,7 @@ require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/assets.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
 
+// Load translation files required by the page
 $langs->loadLangs(array("assets","admin","companies"));
 
 $extrafields = new ExtraFields($db);
diff --git a/htdocs/asset/admin/assets_type_extrafields.php b/htdocs/asset/admin/assets_type_extrafields.php
index 261c7de99b7..96557b6acd5 100644
--- a/htdocs/asset/admin/assets_type_extrafields.php
+++ b/htdocs/asset/admin/assets_type_extrafields.php
@@ -26,8 +26,8 @@ require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/assets.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
 
-$langs->load("assets");
-$langs->load("admin");
+// Load translation files required by the page
+$langs->loadLangs(array('assets', 'admin'));
 
 $extrafields = new ExtraFields($db);
 $form = new Form($db);
diff --git a/htdocs/asset/admin/setup.php b/htdocs/asset/admin/setup.php
index 8708396fb7f..432e2a0fd0d 100644
--- a/htdocs/asset/admin/setup.php
+++ b/htdocs/asset/admin/setup.php
@@ -28,7 +28,7 @@ require_once DOL_DOCUMENT_ROOT . "/core/lib/admin.lib.php";
 
 global $langs, $user;
 
-// Translations
+// Load translation files required by the page
 $langs->loadLangs(array("admin", "assets"));
 
 // Access control
diff --git a/htdocs/asset/card.php b/htdocs/asset/card.php
index a76bf3d069e..a34169ea0ac 100644
--- a/htdocs/asset/card.php
+++ b/htdocs/asset/card.php
@@ -28,7 +28,7 @@ require_once DOL_DOCUMENT_ROOT.'/asset/class/asset.class.php';
 include_once(DOL_DOCUMENT_ROOT.'/core/class/html.formcompany.class.php');
 include_once(DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php');
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("asset"));
 
 // Get parameters
diff --git a/htdocs/asset/document.php b/htdocs/asset/document.php
index fbd2fe6cdb8..66baaae196c 100644
--- a/htdocs/asset/document.php
+++ b/htdocs/asset/document.php
@@ -30,7 +30,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/images.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("assets","companies"));
 
 
diff --git a/htdocs/asset/info.php b/htdocs/asset/info.php
index c953a09c83b..71460f31a2c 100644
--- a/htdocs/asset/info.php
+++ b/htdocs/asset/info.php
@@ -26,6 +26,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/asset.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/asset/class/asset.class.php';
 
+// Load translation files required by the page
 $langs->loadLangs(array("asset"));
 
 $id = GETPOST('id','int');
diff --git a/htdocs/asset/list.php b/htdocs/asset/list.php
index d9860dc32a3..3aa1e8d5f32 100644
--- a/htdocs/asset/list.php
+++ b/htdocs/asset/list.php
@@ -30,7 +30,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/asset/class/asset.class.php';
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("assets"));
 
 $action     = GETPOST('action','alpha')?GETPOST('action','alpha'):'view';				// The action 'add', 'create', 'edit', 'update', 'view', ...
diff --git a/htdocs/asset/note.php b/htdocs/asset/note.php
index 9ed9053dc5c..cf0166df96f 100644
--- a/htdocs/asset/note.php
+++ b/htdocs/asset/note.php
@@ -26,7 +26,7 @@ require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/asset.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/asset/class/asset.class.php';
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("asset","companies"));
 
 // Get parameters
diff --git a/htdocs/asset/type.php b/htdocs/asset/type.php
index 1b909108b66..f4409ee5417 100644
--- a/htdocs/asset/type.php
+++ b/htdocs/asset/type.php
@@ -30,6 +30,7 @@ if (! empty($conf->accounting->enabled)) require_once DOL_DOCUMENT_ROOT.'/core/l
 if (! empty($conf->accounting->enabled)) require_once DOL_DOCUMENT_ROOT.'/core/class/html.formaccounting.class.php';
 if (! empty($conf->accounting->enabled)) require_once DOL_DOCUMENT_ROOT.'/accountancy/class/accountingaccount.class.php';
 
+// Load translation files required by the page
 $langs->load("assets");
 
 $rowid  = GETPOST('rowid','int');
diff --git a/htdocs/commande/customer.php b/htdocs/commande/customer.php
index 7a2d0be27b2..9263ceb3f45 100644
--- a/htdocs/commande/customer.php
+++ b/htdocs/commande/customer.php
@@ -42,7 +42,7 @@ if ($user->societe_id > 0)
 if (! $user->rights->facture->creer)
 accessforbidden();
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("companies", "orders"));
 
 $limit = GETPOST('limit','int')?GETPOST('limit','int'):$conf->liste_limit;
diff --git a/htdocs/commande/orderstoinvoice.php b/htdocs/commande/orderstoinvoice.php
index 1f0b950ad0f..03d379270b1 100644
--- a/htdocs/commande/orderstoinvoice.php
+++ b/htdocs/commande/orderstoinvoice.php
@@ -39,7 +39,7 @@ if (! empty($conf->projet->enabled)) {
 	require_once DOL_DOCUMENT_ROOT.'/core/class/html.formprojet.class.php';
 }
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("orders", "deliveries", "companies"));
 
 if (! $user->rights->facture->creer)
diff --git a/htdocs/resource/card.php b/htdocs/resource/card.php
index afdc26db622..832f70f4ea1 100644
--- a/htdocs/resource/card.php
+++ b/htdocs/resource/card.php
@@ -35,11 +35,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/resource.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
 
-// Load traductions files requiredby by page
-$langs->load("resource");
-$langs->load("companies");
-$langs->load("other");
-$langs->load("main");
+// Load translation files required by the page
+$langs->loadLangs(array('resource', 'companies', 'other', 'main'));
 
 // Get parameters
 $id						= GETPOST('id','int');
diff --git a/htdocs/resource/contact.php b/htdocs/resource/contact.php
index 543e69b83ef..981a07d7e73 100644
--- a/htdocs/resource/contact.php
+++ b/htdocs/resource/contact.php
@@ -31,9 +31,8 @@ require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/resource.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formcompany.class.php';
 
-$langs->load("resource");
-$langs->load("sendings");
-$langs->load("companies");
+// Load translation files required by the page
+$langs->loadLangs(array('resource', 'sendings', 'companies'));
 
 $id = GETPOST('id','int');
 $ref = GETPOST('ref','alpha');
diff --git a/htdocs/resource/document.php b/htdocs/resource/document.php
index 43b5a852b10..edaf52baba3 100644
--- a/htdocs/resource/document.php
+++ b/htdocs/resource/document.php
@@ -35,9 +35,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/images.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/resource.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 
-$langs->load("other");
-$langs->load("resource");
-$langs->load("companies");
+// Load translation files required by the page
+$langs->loadLangs(array('other', 'resource', 'companies'));
 
 $id = GETPOST('id','int');
 $ref = GETPOST('ref','alpha');
diff --git a/htdocs/resource/element_resource.php b/htdocs/resource/element_resource.php
index 52b3cabda59..389d0236759 100644
--- a/htdocs/resource/element_resource.php
+++ b/htdocs/resource/element_resource.php
@@ -36,10 +36,8 @@ if (! empty($conf->projet->enabled)) {
     require_once DOL_DOCUMENT_ROOT . '/core/class/html.formprojet.class.php';
 }
 
-// Load traductions files requiredby by page
-$langs->load("resource");
-$langs->load("other");
-$langs->load("interventions");
+// Load translation files required by the page
+$langs->loadLangs(array('resource', 'other', 'interventions'));
 
 /*
 $sortorder                      = GETPOST('sortorder','alpha');
diff --git a/htdocs/resource/list.php b/htdocs/resource/list.php
index a49d8b6030e..947479e62b3 100644
--- a/htdocs/resource/list.php
+++ b/htdocs/resource/list.php
@@ -25,7 +25,7 @@
 require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/resource/class/dolresource.class.php';
 
-// Load translations files required by page
+// Load translation files required by the page
 $langs->loadLangs(array("resource","companies","other"));
 
 // Get parameters
diff --git a/htdocs/resource/note.php b/htdocs/resource/note.php
index 5fe1751d1f4..9116cdd0387 100644
--- a/htdocs/resource/note.php
+++ b/htdocs/resource/note.php
@@ -29,8 +29,8 @@ require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/resource/class/dolresource.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/resource.lib.php';
 
-$langs->load('companies');
-$langs->load("interventions");
+// Load translation files required by the page
+$langs->loadLangs(array('companies', 'interventions'));
 
 $id = GETPOST('id','int');
 $ref = GETPOST('ref','alpha');
diff --git a/htdocs/website/websiteaccount_card.php b/htdocs/website/websiteaccount_card.php
index 3f684952f87..d62adfb063b 100644
--- a/htdocs/website/websiteaccount_card.php
+++ b/htdocs/website/websiteaccount_card.php
@@ -41,7 +41,7 @@ include_once(DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php');
 include_once(DOL_DOCUMENT_ROOT.'/website/class/websiteaccount.class.php');
 include_once(DOL_DOCUMENT_ROOT.'/website/lib/websiteaccount.lib.php');
 
-// Load traductions files requiredby by page
+// Load translation files required by the page
 $langs->loadLangs(array("website","other"));
 
 // Get parameters