diff --git a/htdocs/core/datepicker.php b/htdocs/core/datepicker.php
index 074760e88ca..a53f26f52a1 100644
--- a/htdocs/core/datepicker.php
+++ b/htdocs/core/datepicker.php
@@ -41,8 +41,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
 
 if (GETPOST('lang', 'aZ09')) $langs->setDefaultLang(GETPOST('lang', 'aZ09'));	// If language was forced on URL by the main.inc.php
 
-$langs->load("main");
-$langs->load("agenda");
+// Load translation files required by the page
+$langs->loadLangs(array("agenda","main"));
 
 $right=($langs->trans("DIRECTION")=='rtl'?'left':'right');
 $left=($langs->trans("DIRECTION")=='rtl'?'right':'left');
diff --git a/htdocs/core/modules/user/doc/doc_generic_user_odt.modules.php b/htdocs/core/modules/user/doc/doc_generic_user_odt.modules.php
index 5318220beb8..041157f20a2 100644
--- a/htdocs/core/modules/user/doc/doc_generic_user_odt.modules.php
+++ b/htdocs/core/modules/user/doc/doc_generic_user_odt.modules.php
@@ -35,10 +35,10 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/doc.lib.php';
  */
 class doc_generic_user_odt extends ModelePDFUser
 {
-	var $emetteur;	// Objet societe qui emet
+	public $emetteur;	// Objet societe qui emet
 
-	var $phpmin = array(5,2,0);	// Minimum version of PHP required by module
-	var $version = 'dolibarr';
+	public $phpmin = array(5,4,0);	// Minimum version of PHP required by module
+	public $version = 'dolibarr';
 
 
 	/**
@@ -50,8 +50,8 @@ class doc_generic_user_odt extends ModelePDFUser
 	{
 		global $conf,$langs,$mysoc;
 
-		$langs->load("main");
-		$langs->load("companies");
+		// Load translation files required by the page
+        $langs->loadLangs(array("main","companies"));
 
 		$this->db = $db;
 		$this->name = "ODT templates";
diff --git a/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php b/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php
index 887a4cda084..fbd2d1bb79d 100644
--- a/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php
+++ b/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php
@@ -97,8 +97,8 @@ class doc_generic_usergroup_odt extends ModelePDFUserGroup
 	{
 		global $conf,$langs;
 
-		$langs->load("companies");
-		$langs->load("errors");
+		// Load translation files required by the page
+        $langs->loadLangs(array("errors","companies"));
 
 		$form = new Form($this->db);
 
diff --git a/htdocs/core/photos_resize.php b/htdocs/core/photos_resize.php
index 3f266e700cc..f4f178031de 100644
--- a/htdocs/core/photos_resize.php
+++ b/htdocs/core/photos_resize.php
@@ -28,8 +28,8 @@ require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/images.lib.php';
 
-$langs->load("products");
-$langs->load("other");
+// Load translation files required by the page
+$langs->loadLangs(array("products","other"));
 
 $id=GETPOST('id','int');
 $action=GETPOST('action','alpha');
diff --git a/htdocs/core/tools.php b/htdocs/core/tools.php
index 25e2eb3f903..3ceaaf17d33 100644
--- a/htdocs/core/tools.php
+++ b/htdocs/core/tools.php
@@ -24,8 +24,8 @@
 
 require '../main.inc.php';
 
-$langs->load("companies");
-$langs->load("other");
+// Load translation files required by the page
+$langs->loadLangs(array("companies","other"));
 
 // Security check
 $socid=0;
diff --git a/htdocs/core/triggers/interface_50_modAgenda_ActionsAuto.class.php b/htdocs/core/triggers/interface_50_modAgenda_ActionsAuto.class.php
index 6994aa6f3e6..343b9a1376e 100644
--- a/htdocs/core/triggers/interface_50_modAgenda_ActionsAuto.class.php
+++ b/htdocs/core/triggers/interface_50_modAgenda_ActionsAuto.class.php
@@ -82,9 +82,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		// Actions
 		if ($action == 'COMPANY_CREATE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("companies");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","companies"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("NewCompanyToDolibarr",$object->name);
             $object->actionmsg=$langs->transnoentities("NewCompanyToDolibarr",$object->name);
@@ -95,9 +94,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
         }
         elseif ($action == 'COMPANY_SENTBYMAIL')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-        	$langs->load("orders");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","orders"));
 
             if (empty($object->actionmsg2)) dol_syslog('Trigger called with property actionmsg2 on object not defined', LOG_ERR);
 
@@ -106,9 +104,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
         elseif ($action == 'CONTRACT_VALIDATE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("contracts");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","contracts"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("ContractValidatedInDolibarr",($object->newref?$object->newref:$object->ref));
             $object->actionmsg=$langs->transnoentities("ContractValidatedInDolibarr",($object->newref?$object->newref:$object->ref));
@@ -117,9 +114,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'CONTRACT_SENTBYMAIL')
 		{
-			$langs->load("agenda");
-			$langs->load("other");
-			$langs->load("contract");
+			// Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","contracts"));
 
 			if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("ContractSentByEMail",$object->ref);
 			if (empty($object->actionmsg))
@@ -132,9 +128,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'PROPAL_VALIDATE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("propal");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","propal"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("PropalValidatedInDolibarr",($object->newref?$object->newref:$object->ref));
             $object->actionmsg=$langs->transnoentities("PropalValidatedInDolibarr",($object->newref?$object->newref:$object->ref));
@@ -143,9 +138,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
         elseif ($action == 'PROPAL_SENTBYMAIL')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-        	$langs->load("propal");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","propal"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("ProposalSentByEMail",$object->ref);
             if (empty($object->actionmsg))
@@ -158,9 +152,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'PROPAL_CLOSE_SIGNED')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-        	$langs->load("propal");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","propal"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("PropalClosedSignedInDolibarr",$object->ref);
             $object->actionmsg=$langs->transnoentities("PropalClosedSignedInDolibarr",$object->ref);
@@ -169,9 +162,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'PROPAL_CLASSIFY_BILLED')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-        	$langs->load("propal");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","propal"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("PropalClassifiedBilledInDolibarr",$object->ref);
             $object->actionmsg=$langs->transnoentities("PropalClassifiedBilledInDolibarr",$object->ref);
@@ -180,9 +172,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'PROPAL_CLOSE_REFUSED')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-        	$langs->load("propal");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","propal"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("PropalClosedRefusedInDolibarr",$object->ref);
             $object->actionmsg=$langs->transnoentities("PropalClosedRefusedInDolibarr",$object->ref);
@@ -191,8 +182,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'ORDER_VALIDATE')
         {
-            $langs->load("agenda");
-            $langs->load("orders");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","orders"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("OrderValidatedInDolibarr",($object->newref?$object->newref:$object->ref));
             $object->actionmsg=$langs->transnoentities("OrderValidatedInDolibarr",($object->newref?$object->newref:$object->ref));
@@ -201,9 +192,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'ORDER_CLOSE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-        	$langs->load("orders");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","orders"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("OrderDeliveredInDolibarr",$object->ref);
             $object->actionmsg=$langs->transnoentities("OrderDeliveredInDolibarr",$object->ref);
@@ -212,9 +202,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'ORDER_CLASSIFY_BILLED')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-        	$langs->load("orders");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","orders"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("OrderBilledInDolibarr",$object->ref);
             $object->actionmsg=$langs->transnoentities("OrderBilledInDolibarr",$object->ref);
@@ -223,9 +212,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'ORDER_CANCEL')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-        	$langs->load("orders");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","orders"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("OrderCanceledInDolibarr",$object->ref);
             $object->actionmsg=$langs->transnoentities("OrderCanceledInDolibarr",$object->ref);
@@ -234,9 +222,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'ORDER_SENTBYMAIL')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-        	$langs->load("orders");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","orders"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("OrderSentByEMail",$object->ref);
             if (empty($object->actionmsg))
@@ -249,9 +236,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'BILL_VALIDATE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("bills");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","bills"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("InvoiceValidatedInDolibarr",($object->newref?$object->newref:$object->ref));
             $object->actionmsg=$langs->transnoentities("InvoiceValidatedInDolibarr",($object->newref?$object->newref:$object->ref));
@@ -260,9 +246,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'BILL_UNVALIDATE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("bills");
+           // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","bills"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("InvoiceBackToDraftInDolibarr",$object->ref);
             $object->actionmsg=$langs->transnoentities("InvoiceBackToDraftInDolibarr",$object->ref);
@@ -271,9 +256,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
         elseif ($action == 'BILL_SENTBYMAIL')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("bills");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","bills"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("InvoiceSentByEMail",$object->ref);
             if (empty($object->actionmsg))
@@ -286,9 +270,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'BILL_PAYED')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("bills");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","bills"));
 
             // Values for this action can't be defined by caller.
             $object->actionmsg2=$langs->transnoentities("InvoicePaidInDolibarr",$object->ref);
@@ -298,9 +281,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'BILL_CANCEL')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("bills");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","bills"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("InvoiceCanceledInDolibarr",$object->ref);
             $object->actionmsg=$langs->transnoentities("InvoiceCanceledInDolibarr",$object->ref);
@@ -309,9 +291,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'FICHINTER_CREATE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("interventions");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","interventions"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("InterventionCreatedInDolibarr",$object->ref);
             $object->actionmsg=$langs->transnoentities("InterventionCreatedInDolibarr",$object->ref);
@@ -322,9 +303,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'FICHINTER_VALIDATE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("interventions");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","interventions"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("InterventionValidatedInDolibarr",($object->newref?$object->newref:$object->ref));
             $object->actionmsg=$langs->transnoentities("InterventionValidatedInDolibarr",($object->newref?$object->newref:$object->ref));
@@ -335,9 +315,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'FICHINTER_MODIFY')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("interventions");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","interventions"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("InterventionModifiedInDolibarr",$object->ref);
             $object->actionmsg=$langs->transnoentities("InterventionModifiedInDolibarr",$object->ref);
@@ -348,9 +327,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'FICHINTER_SENTBYMAIL')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("interventions");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","interventions"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("InterventionSentByEMail",$object->ref);
             if (empty($object->actionmsg))
@@ -363,9 +341,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
         }
         elseif ($action == 'FICHINTER_CLASSIFY_BILLED')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("interventions");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","interventions"));
 
            	if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("InterventionClassifiedBilledInDolibarr",$object->ref);
            	$object->actionmsg=$langs->transnoentities("InterventionClassifiedBilledInDolibarr",$object->ref);
@@ -374,9 +351,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
         }
 	    elseif ($action == 'FICHINTER_CLASSIFY_UNBILLED')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("interventions");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","interventions"));
 
            	if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("InterventionClassifiedUnbilledInDolibarr",$object->ref);
            	$object->actionmsg=$langs->transnoentities("InterventionClassifiedUnbilledInDolibarr",$object->ref);
@@ -385,9 +361,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
         }
         elseif ($action == 'FICHINTER_DELETE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("interventions");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","interventions"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("InterventionDeletedInDolibarr",$object->ref);
             $object->actionmsg=$langs->transnoentities("InterventionDeletedInDolibarr",$object->ref);
@@ -398,9 +373,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
         elseif ($action == 'SHIPPING_VALIDATE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-        	$langs->load("sendings");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","sendings"));
 
         	if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("ShippingValidated",($object->newref?$object->newref:$object->ref));
         	if (empty($object->actionmsg))
@@ -413,9 +387,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
         }
 		elseif ($action == 'SHIPPING_SENTBYMAIL')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("sendings");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","sendings"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("ShippingSentByEMail",$object->ref);
             if (empty($object->actionmsg))
@@ -428,9 +401,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'PROPOSAL_SUPPLIER_VALIDATE')
 		{
-			$langs->load("agenda");
-			$langs->load("other");
-			$langs->load("propal");
+			// Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","propal"));
 
 			if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("PropalValidatedInDolibarr",($object->newref?$object->newref:$object->ref));
 			$object->actionmsg=$langs->transnoentities("PropalValidatedInDolibarr",($object->newref?$object->newref:$object->ref));
@@ -439,9 +411,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'PROPOSAL_SUPPLIER_SENTBYMAIL')
 		{
-			$langs->load("agenda");
-			$langs->load("other");
-			$langs->load("propal");
+			// Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","propal"));
 
 			if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("ProposalSentByEMail",$object->ref);
 			if (empty($object->actionmsg))
@@ -454,9 +425,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'PROPOSAL_SUPPLIER_CLOSE_SIGNED')
 		{
-			$langs->load("agenda");
-			$langs->load("other");
-			$langs->load("propal");
+			// Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","propal"));
 
 			if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("PropalClosedSignedInDolibarr",$object->ref);
 			$object->actionmsg=$langs->transnoentities("PropalClosedSignedInDolibarr",$object->ref);
@@ -465,9 +435,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'PROPOSAL_SUPPLIER_CLOSE_REFUSED')
 		{
-			$langs->load("agenda");
-			$langs->load("other");
-			$langs->load("propal");
+			// Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","propal"));
 
 			if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("PropalClosedRefusedInDolibarr",$object->ref);
 			$object->actionmsg=$langs->transnoentities("PropalClosedRefusedInDolibarr",$object->ref);
@@ -476,9 +445,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'ORDER_SUPPLIER_CREATE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-        	$langs->load("orders");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","orders"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("OrderCreatedInDolibarr",($object->newref?$object->newref:$object->ref));
             $object->actionmsg=$langs->transnoentities("OrderCreatedInDolibarr",($object->newref?$object->newref:$object->ref));
@@ -487,9 +455,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'ORDER_SUPPLIER_VALIDATE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-        	$langs->load("orders");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","orders"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("OrderValidatedInDolibarr",($object->newref?$object->newref:$object->ref));
             $object->actionmsg=$langs->transnoentities("OrderValidatedInDolibarr",($object->newref?$object->newref:$object->ref));
@@ -498,9 +465,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'ORDER_SUPPLIER_APPROVE')
 		{
-            $langs->load("agenda");
-		    $langs->load("other");
-			$langs->load("orders");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","orders"));
 
 			if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("OrderApprovedInDolibarr",$object->ref);
 			$object->actionmsg=$langs->transnoentities("OrderApprovedInDolibarr",$object->ref);
@@ -509,9 +475,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'ORDER_SUPPLIER_REFUSE')
 		{
-            $langs->load("agenda");
-		    $langs->load("other");
-			$langs->load("orders");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","orders"));
 
 			if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("OrderRefusedInDolibarr",$object->ref);
 			$object->actionmsg=$langs->transnoentities("OrderRefusedInDolibarr",$object->ref);
@@ -520,9 +485,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'ORDER_SUPPLIER_SUBMIT')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-        	$langs->load("orders");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","orders"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("SupplierOrderSubmitedInDolibarr",($object->newref?$object->newref:$object->ref));
             $object->actionmsg=$langs->transnoentities("SupplierOrderSubmitedInDolibarr",($object->newref?$object->newref:$object->ref));
@@ -531,9 +495,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'ORDER_SUPPLIER_RECEIVE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-        	$langs->load("orders");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","orders"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("SupplierOrderReceivedInDolibarr",($object->newref?$object->newref:$object->ref));
             $object->actionmsg=$langs->transnoentities("SupplierOrderReceivedInDolibarr",($object->newref?$object->newref:$object->ref));
@@ -542,10 +505,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'ORDER_SUPPLIER_SENTBYMAIL')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("bills");
-            $langs->load("orders");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","orders","bills"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("SupplierOrderSentByEMail",$object->ref);
             if (empty($object->actionmsg))
@@ -558,10 +519,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
         }
 		elseif ($action == 'ORDER_SUPPLIER_CLASSIFY_BILLED')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("bills");
-            $langs->load("orders");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","orders","bills"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("SupplierOrderClassifiedBilled",$object->ref);
             if (empty($object->actionmsg))
@@ -573,9 +532,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
         }
 		elseif ($action == 'BILL_SUPPLIER_VALIDATE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("bills");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","bills"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("InvoiceValidatedInDolibarr",($object->newref?$object->newref:$object->ref));
             $object->actionmsg=$langs->transnoentities("InvoiceValidatedInDolibarr",($object->newref?$object->newref:$object->ref));
@@ -584,9 +542,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'BILL_SUPPLIER_UNVALIDATE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("bills");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","bills"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("InvoiceBackToDraftInDolibarr",$object->ref);
             $object->actionmsg=$langs->transnoentities("InvoiceBackToDraftInDolibarr",$object->ref);
@@ -595,10 +552,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
         elseif ($action == 'BILL_SUPPLIER_SENTBYMAIL')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("bills");
-            $langs->load("orders");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","orders","bills"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("SupplierInvoiceSentByEMail",$object->ref);
             if (empty($object->actionmsg))
@@ -611,9 +566,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
         }
 		elseif ($action == 'BILL_SUPPLIER_PAYED')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("bills");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","bills"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("InvoicePaidInDolibarr",$object->ref);
             $object->actionmsg=$langs->transnoentities("InvoicePaidInDolibarr",$object->ref);
@@ -622,9 +576,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
 		elseif ($action == 'BILL_SUPPLIER_CANCELED')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("bills");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","bills"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("InvoiceCanceledInDolibarr",$object->ref);
             $object->actionmsg=$langs->transnoentities("InvoiceCanceledInDolibarr",$object->ref);
@@ -635,9 +588,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
         // Members
         elseif ($action == 'MEMBER_VALIDATE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("members");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","members"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("MemberValidatedInDolibarr",$object->getFullName($langs));
             $object->actionmsg=$langs->transnoentities("MemberValidatedInDolibarr",$object->getFullName($langs));
@@ -648,9 +600,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
         }
 		elseif ($action == 'MEMBER_MODIFY')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("members");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","members"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("MemberModifiedInDolibarr",$object->getFullName($langs));
             $object->actionmsg=$langs->transnoentities("MemberModifiedInDolibarr",$object->getFullName($langs));
@@ -661,9 +612,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 		}
         elseif ($action == 'MEMBER_SUBSCRIPTION_CREATE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("members");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","members"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("MemberSubscriptionAddedInDolibarr",$object->ref,$object->getFullName($langs));
             $object->actionmsg=$langs->transnoentities("MemberSubscriptionAddedInDolibarr",$object->ref,$object->getFullName($langs));
@@ -677,9 +627,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
         }
         elseif ($action == 'MEMBER_SUBSCRIPTION_MODIFY')
         {
-        	$langs->load("agenda");
-        	$langs->load("other");
-        	$langs->load("members");
+        	// Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","members"));
 
         	if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("MemberSubscriptionModifiedInDolibarr",$object->ref,$object->getFullName($langs));
         	$object->actionmsg=$langs->transnoentities("MemberSubscriptionModifiedInDolibarr",$object->ref,$object->getFullName($langs));
@@ -693,9 +642,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
         }
         elseif ($action == 'MEMBER_SUBSCRIPTION_DELETE')
         {
-        	$langs->load("agenda");
-        	$langs->load("other");
-        	$langs->load("members");
+        	// Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","members"));
 
         	if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("MemberSubscriptionDeletedInDolibarr",$object->ref,$object->getFullName($langs));
         	$object->actionmsg=$langs->transnoentities("MemberSubscriptionDeletedInDolibarr",$object->ref,$object->getFullName($langs));
@@ -709,9 +657,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
         }
         elseif ($action == 'MEMBER_RESILIATE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("members");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","members"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("MemberResiliatedInDolibarr",$object->getFullName($langs));
             $object->actionmsg=$langs->transnoentities("MemberResiliatedInDolibarr",$object->getFullName($langs));
@@ -722,9 +669,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
         }
         elseif ($action == 'MEMBER_DELETE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("members");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","members"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("MemberDeletedInDolibarr",$object->getFullName($langs));
             $object->actionmsg=$langs->transnoentities("MemberDeletedInDolibarr",$object->getFullName($langs));
@@ -737,9 +683,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
         // Projects
         elseif ($action == 'PROJECT_CREATE')
         {
-            $langs->load("agenda");
-            $langs->load("other");
-        	$langs->load("projects");
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","projects"));
 
         	if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("ProjectCreatedInDolibarr",$object->ref);
         	$object->actionmsg=$langs->transnoentities("ProjectCreatedInDolibarr",$object->ref);
@@ -747,10 +692,10 @@ class InterfaceActionsAuto extends DolibarrTriggers
 
         	$object->sendtoid=0;
         }
-        elseif($action == 'PROJECT_VALIDATE') {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("projects");
+        elseif($action == 'PROJECT_VALIDATE')
+        {
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","projects"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("ProjectValidatedInDolibarr",$object->ref);
             $object->actionmsg=$langs->transnoentities("ProjectValidatedInDolibarr",$object->ref);
@@ -758,10 +703,10 @@ class InterfaceActionsAuto extends DolibarrTriggers
 
             $object->sendtoid=0;
         }
-        elseif($action == 'PROJECT_MODIFY') {
-            $langs->load("agenda");
-            $langs->load("other");
-            $langs->load("projects");
+        elseif($action == 'PROJECT_MODIFY')
+        {
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","projects"));
 
             if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("ProjectModifiedInDolibarr",$object->ref);
             $object->actionmsg=$langs->transnoentities("ProjectModifiedInDolibarr",$object->ref);
@@ -771,10 +716,10 @@ class InterfaceActionsAuto extends DolibarrTriggers
         }
 
 		// Project tasks
-		elseif($action == 'TASK_CREATE') {
-            $langs->load("agenda");
-		    $langs->load("other");
-			$langs->load("projects");
+		elseif($action == 'TASK_CREATE')
+		{
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","projects"));
 
 			if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("TaskCreatedInDolibarr",$object->ref);
 			$object->actionmsg=$langs->transnoentities("TaskCreatedInDolibarr",$object->ref);
@@ -783,10 +728,10 @@ class InterfaceActionsAuto extends DolibarrTriggers
 			$object->sendtoid=0;
 		}
 
-		elseif($action == 'TASK_MODIFY') {
-            $langs->load("agenda");
-		    $langs->load("other");
-			$langs->load("projects");
+		elseif($action == 'TASK_MODIFY')
+		{
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","projects"));
 
 			if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("TaskModifiedInDolibarr",$object->ref);
 			$object->actionmsg=$langs->transnoentities("TaskModifieddInDolibarr",$object->ref);
@@ -795,10 +740,10 @@ class InterfaceActionsAuto extends DolibarrTriggers
 			$object->sendtoid=0;
 		}
 
-		elseif($action == 'TASK_DELETE') {
-            $langs->load("agenda");
-		    $langs->load("other");
-			$langs->load("projects");
+		elseif($action == 'TASK_DELETE')
+		{
+            // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other","projects"));
 
 			if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities("TaskDeletedInDolibarr",$object->ref);
 			$object->actionmsg=$langs->transnoentities("TaskDeletedInDolibarr",$object->ref);
@@ -807,10 +752,11 @@ class InterfaceActionsAuto extends DolibarrTriggers
 			$object->sendtoid=0;
 		}
 		// TODO Merge all previous cases into this generic one
-		else {
+		else
+		{
 		    // Note: We are here only if $conf->global->MAIN_AGENDA_ACTIONAUTO_action is on (tested at begining of this function)
-		    $langs->load("agenda");
-		    $langs->load("other");
+		    // Load translation files required by the page
+            $langs->loadLangs(array("agenda","other"));
 
 		    if (empty($object->actionmsg2)) $object->actionmsg2=$langs->transnoentities($action."InDolibarr",$object->ref);
 		    if (empty($object->actionmsg))  $object->actionmsg=$langs->transnoentities($action."InDolibarr",$object->ref);
diff --git a/htdocs/core/triggers/interface_80_modStripe_Stripe.class.php b/htdocs/core/triggers/interface_80_modStripe_Stripe.class.php
index 00a58667f43..c1cf1bfd936 100644
--- a/htdocs/core/triggers/interface_80_modStripe_Stripe.class.php
+++ b/htdocs/core/triggers/interface_80_modStripe_Stripe.class.php
@@ -114,13 +114,12 @@ class InterfaceStripe
 	 */
 	public function runTrigger($action, $object, User $user, Translate $langs, Conf $conf)
 	{
-		// Put here code you want to execute when a Dolibarr business events occurs.
+		// Put here code you want to execute when a Dolibarr business event occurs.
 		// Data and type of action are stored into $object and $action
 		global $langs, $db, $conf;
-		$langs->load("members");
-		$langs->load("users");
-		$langs->load("mails");
-		$langs->load('other');
+
+		// Load translation files required by the page
+        $langs->loadLangs(array("members","other","users","mails"));
 
 		require_once DOL_DOCUMENT_ROOT.'/stripe/class/stripe.class.php';
 		$stripe = new Stripe($db);
diff --git a/htdocs/don/document.php b/htdocs/don/document.php
index 7459bf82453..b8396ab72bb 100644
--- a/htdocs/don/document.php
+++ b/htdocs/don/document.php
@@ -40,9 +40,8 @@ if (! empty($conf->projet->enabled))
     require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 }
 
-$langs->load("other");
-$langs->load("donations");
-$langs->load("companies");
+// Load translation files required by the page
+$langs->loadLangs(array("other","donations","companies"));
 
 $id = GETPOST('id','int');
 $ref = GETPOST('ref', 'alpha');
diff --git a/htdocs/don/list.php b/htdocs/don/list.php
index 1e7d93302d8..3fffe242e20 100644
--- a/htdocs/don/list.php
+++ b/htdocs/don/list.php
@@ -28,8 +28,8 @@ require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/don/class/don.class.php';
 if (! empty($conf->projet->enabled)) require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 
-$langs->load("companies");
-$langs->load("donations");
+// Load translation files required by the page
+$langs->loadLangs(array("donations","companies"));
 
 $sortfield = GETPOST("sortfield",'alpha');
 $sortorder = GETPOST("sortorder",'alpha');
diff --git a/htdocs/don/note.php b/htdocs/don/note.php
index d78aa2c7ea5..7c3636eef4a 100644
--- a/htdocs/don/note.php
+++ b/htdocs/don/note.php
@@ -35,9 +35,8 @@ if (! empty($conf->projet->enabled))
     require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 }
 
-$langs->load("companies");
-$langs->load("bills");
-$langs->load("donations");
+// Load translation files required by the page
+$langs->loadLangs(array("bills","donations","companies"));
 
 $id=(GETPOST('id','int')?GETPOST('id','int'):GETPOST('facid','int'));  // For backward compatibility
 $ref=GETPOST('ref','alpha');
diff --git a/htdocs/don/payment/card.php b/htdocs/don/payment/card.php
index e4a7ef5c5d4..dde03cb461d 100644
--- a/htdocs/don/payment/card.php
+++ b/htdocs/don/payment/card.php
@@ -28,9 +28,8 @@ require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/modules/facture/modules_facture.php';
 if (! empty($conf->banque->enabled)) require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';
 
-$langs->load('bills');
-$langs->load('banks');
-$langs->load('companies');
+// Load translation files required by the page
+$langs->loadLangs(array("bills","banks","companies"));
 
 // Security check
 $id=GETPOST('rowid')?GETPOST('rowid','int'):GETPOST('id','int');
diff --git a/htdocs/don/stats/index.php b/htdocs/don/stats/index.php
index cb574da939a..4398dfd8b8e 100644
--- a/htdocs/don/stats/index.php
+++ b/htdocs/don/stats/index.php
@@ -47,9 +47,8 @@ $year = GETPOST('year')>0?GETPOST('year'):$nowyear;
 $startyear=$year-1;
 $endyear=$year;
 
-$langs->load("sendings");
-$langs->load("other");
-$langs->load("companies");
+// Load translation files required by the page
+$langs->loadLangs(array("sendings","other","companies"));
 
 
 /*