diff --git a/htdocs/admin/receiptprinter.php b/htdocs/admin/receiptprinter.php
index 0de8987e277..52141900517 100644
--- a/htdocs/admin/receiptprinter.php
+++ b/htdocs/admin/receiptprinter.php
@@ -30,8 +30,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/doleditor.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/receiptprinter.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/dolreceiptprinter.class.php';
 
-$langs->load("admin");
-$langs->load("receiptprinter");
+// Load traductions files requiredby by page
+$langs->loadLangs(array("admin","receiptprinter"));
 
 if (! $user->admin) accessforbidden();
 
@@ -232,7 +232,6 @@ if ($mode == 'config' && $user->admin)
     print $langs->trans("ReceiptPrinterDesc")."<br><br>\n";
 
     print '<table class="noborder" width="100%">'."\n";
-    $var=true;
     print '<tr class="liste_titre">';
     print '<th>'.$langs->trans("Name").'</th>';
     print '<th>'.$langs->trans("Type").'</th>';
@@ -248,10 +247,11 @@ if ($mode == 'config' && $user->admin)
     if ($ret > 0) {
         setEventMessages($printer->error, $printer->errors, 'errors');
     } else {
-        for ($line=0; $line < $nbofprinters; $line++) {
-            $var = !$var;
+        for ($line=0; $line < $nbofprinters; $line++) 
+        {
             print '<tr class="oddeven">';
-            if ($action=='editprinter' && $printer->listprinters[$line]['rowid']==$printerid) {
+            if ($action=='editprinter' && $printer->listprinters[$line]['rowid']==$printerid) 
+            {
                 print '<input type="hidden" name="printerid" value="'.$printer->listprinters[$line]['rowid'].'">';
                 print '<td><input size="50" type="text" name="printername" value="'.$printer->listprinters[$line]['name'].'"></td>';
                 $ret = $printer->selectTypePrinter($printer->listprinters[$line]['fk_type']);
@@ -329,11 +329,11 @@ if ($mode == 'config' && $user->admin)
     
     print $langs->trans("ReceiptPrinterTypeDesc")."<br><br>\n";
     print '<table class="noborder" width="100%">'."\n";
-    print '<tr '.$bc[1].'><td>'.$langs->trans("CONNECTOR_DUMMY").':</td><td>'.$langs->trans("CONNECTOR_DUMMY_HELP").'</td></tr>';
-    print '<tr '.$bc[0].'><td>'.$langs->trans("CONNECTOR_NETWORK_PRINT").':</td><td>'.$langs->trans("CONNECTOR_NETWORK_PRINT_HELP").'</td></tr>';
-    print '<tr '.$bc[1].'><td>'.$langs->trans("CONNECTOR_FILE_PRINT").':</td><td>'.$langs->trans("CONNECTOR_FILE_PRINT_HELP").'</td></tr>';
-    print '<tr '.$bc[0].'><td>'.$langs->trans("CONNECTOR_WINDOWS_PRINT").':</td><td>'.$langs->trans("CONNECTOR_WINDOWS_PRINT_HELP").'</td></tr>';
-    //print '<tr '.$bc[1].'><td>'.$langs->trans("CONNECTOR_JAVA").':</td><td>'.$langs->trans("CONNECTOR_JAVA_HELP").'</td></tr>';
+    print '<tr class="oddeven"><td>'.$langs->trans("CONNECTOR_DUMMY").':</td><td>'.$langs->trans("CONNECTOR_DUMMY_HELP").'</td></tr>';
+    print '<tr class="oddeven"><td>'.$langs->trans("CONNECTOR_NETWORK_PRINT").':</td><td>'.$langs->trans("CONNECTOR_NETWORK_PRINT_HELP").'</td></tr>';
+    print '<tr class="oddeven"><td>'.$langs->trans("CONNECTOR_FILE_PRINT").':</td><td>'.$langs->trans("CONNECTOR_FILE_PRINT_HELP").'</td></tr>';
+    print '<tr class="oddeven"><td>'.$langs->trans("CONNECTOR_WINDOWS_PRINT").':</td><td>'.$langs->trans("CONNECTOR_WINDOWS_PRINT_HELP").'</td></tr>';
+    //print '<tr class="oddeven"><td>'.$langs->trans("CONNECTOR_JAVA").':</td><td>'.$langs->trans("CONNECTOR_JAVA_HELP").'</td></tr>';
     print '</table>';
     dol_fiche_end();
 
@@ -342,11 +342,11 @@ if ($mode == 'config' && $user->admin)
     dol_fiche_head();
     print $langs->trans("ReceiptPrinterProfileDesc")."<br><br>\n";
     print '<table class="noborder" width="100%">'."\n";
-    print '<tr '.$bc[1].'><td>'.$langs->trans("PROFILE_DEFAULT").':</td><td>'.$langs->trans("PROFILE_DEFAULT_HELP").'</td></tr>';
-    print '<tr '.$bc[0].'><td>'.$langs->trans("PROFILE_SIMPLE").':</td><td>'.$langs->trans("PROFILE_SIMPLE_HELP").'</td></tr>';
-    print '<tr '.$bc[1].'><td>'.$langs->trans("PROFILE_EPOSTEP").':</td><td>'.$langs->trans("PROFILE_EPOSTEP_HELP").'</td></tr>';
-    print '<tr '.$bc[0].'><td>'.$langs->trans("PROFILE_P822D").':</td><td>'.$langs->trans("PROFILE_P822D_HELP").'</td></tr>';
-    print '<tr '.$bc[1].'><td>'.$langs->trans("PROFILE_STAR").':</td><td>'.$langs->trans("PROFILE_STAR_HELP").'</td></tr>';
+    print '<tr class="oddeven"><td>'.$langs->trans("PROFILE_DEFAULT").':</td><td>'.$langs->trans("PROFILE_DEFAULT_HELP").'</td></tr>';
+    print '<tr class="oddeven"><td>'.$langs->trans("PROFILE_SIMPLE").':</td><td>'.$langs->trans("PROFILE_SIMPLE_HELP").'</td></tr>';
+    print '<tr class="oddeven"><td>'.$langs->trans("PROFILE_EPOSTEP").':</td><td>'.$langs->trans("PROFILE_EPOSTEP_HELP").'</td></tr>';
+    print '<tr class="oddeven"><td>'.$langs->trans("PROFILE_P822D").':</td><td>'.$langs->trans("PROFILE_P822D_HELP").'</td></tr>';
+    print '<tr class="oddeven"><td>'.$langs->trans("PROFILE_STAR").':</td><td>'.$langs->trans("PROFILE_STAR_HELP").'</td></tr>';
     print '</table>';
     dol_fiche_end();
 }
@@ -365,7 +365,6 @@ if ($mode == 'template' && $user->admin)
 
     print $langs->trans("ReceiptPrinterTemplateDesc")."<br><br>\n";
     print '<table class="noborder" width="100%">'."\n";
-    $var=true;
     print '<tr class="liste_titre">';
     print '<th>'.$langs->trans("Name").'</th>';
     print '<th>'.$langs->trans("Template").'</th>';
@@ -379,8 +378,8 @@ if ($mode == 'template' && $user->admin)
         setEventMessages($printer->error, $printer->errors, 'errors');
     } else {
         $max = count($printer->listprinterstemplates);
-        for ($line=0; $line < $max; $line++) {
-            $var = !$var;
+        for ($line=0; $line < $max; $line++) 
+        {
             print '<tr class="oddeven">';
             if ($action=='edittemplate' && $printer->listprinterstemplates[$line]['rowid']==$templateid) {
                 print '<input type="hidden" name="templateid" value="'.$printer->listprinterstemplates[$line]['rowid'].'">';
@@ -419,14 +418,13 @@ if ($mode == 'template' && $user->admin)
     print '</form>';
     print '<div><p></div>';
     print '<table class="noborder" width="100%">'."\n";
-    $var=true;
     print '<tr class="liste_titre">';
     print '<th>'.$langs->trans("Tag").'</th>';
     print '<th>'.$langs->trans("Description").'</th>';
     print "</tr>\n";
     $max = count($printer->tags);
-    for ($tag=0; $tag < $max; $tag++) {
-        $var = !$var;
+    for ($tag=0; $tag < $max; $tag++) 
+    {
         print '<tr class="oddeven">';
         print '<td>&lt;'.$printer->tags[$tag].'&gt;</td><td>'.$langs->trans(strtoupper($printer->tags[$tag])).'</td>';
         print '</tr>';
diff --git a/htdocs/admin/resource.php b/htdocs/admin/resource.php
index 6560d194ca7..ec656c8319a 100644
--- a/htdocs/admin/resource.php
+++ b/htdocs/admin/resource.php
@@ -30,8 +30,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/ajax.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/resource.lib.php';
 if (! empty($conf->resouce->enabled)) require_once DOL_DOCUMENT_ROOT . '/resource/class/html.formresource.class.php';
 
-$langs->load("admin");
-$langs->load("resource");
+// Load traductions files requiredby by page
+$langs->loadLangs(array("admin","resource"));
 
 // Security check
 if (!$user->admin)
@@ -76,7 +76,6 @@ print '<form method="POST" action="'.$_SERVER['PHP_SELF'].'">';
 print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
 print '<input type="hidden" name="action" value="updateoptions">';
 
-$var=true;
 print '<table class="noborder" width="100%">';
 print '<tr class="liste_titre">';
 print '<td>'.$langs->trans("Parameters").'</td>'."\n";
@@ -85,7 +84,6 @@ print '<td></td>';
 
 
 // Utilisation formulaire Ajax sur choix produit
-
 print '<tr class="oddeven">';
 print '<td width="80%">'.$langs->trans("UseSearchToSelectResource").'</td>';
 if (empty($conf->use_javascript_ajax))
diff --git a/htdocs/admin/security.php b/htdocs/admin/security.php
index 38cd2d12c1b..7a216c35423 100644
--- a/htdocs/admin/security.php
+++ b/htdocs/admin/security.php
@@ -29,9 +29,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/security2.lib.php';
 
 $action=GETPOST('action','aZ09');
 
-$langs->load("users");
-$langs->load("admin");
-$langs->load("other");
+// Load traductions files requiredby by page
+$langs->loadLangs(array("users","admin","other"));
 
 if (!$user->admin) accessforbidden();
 
@@ -178,10 +177,6 @@ if ($action == 'maj_pattern')
 
 
 
-
-
-
-
 /*
  * View
  */
@@ -201,9 +196,6 @@ $head=security_prepare_head();
 dol_fiche_head($head, 'passwords', $langs->trans("Security"), -1);
 
 
-$var=false;
-
-
 // Choix du gestionnaire du generateur de mot de passe
 print '<form action="'.$_SERVER["PHP_SELF"].'" method="POST">';
 print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
@@ -250,7 +242,6 @@ foreach ($arrayhandler as $key => $module)
 
 	if ($module->isEnabled())
 	{
-        $var = !$var;
         print '<tr class="oddeven"><td width="100">';
         print ucfirst($key);
         print "</td><td>\n";
@@ -395,7 +386,6 @@ if ($conf->global->USER_PASSWORD_GENERATED == "Perso"){
 
 // Cryptage mot de passe
 print '<br>';
-$var=true;
 print "<form method=\"post\" action=\"" . $_SERVER["PHP_SELF"] . "\">";
 print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
 print "<input type=\"hidden\" name=\"action\" value=\"encrypt\">";
diff --git a/htdocs/admin/security_other.php b/htdocs/admin/security_other.php
index 60d0888ed91..6cea0e6927a 100644
--- a/htdocs/admin/security_other.php
+++ b/htdocs/admin/security_other.php
@@ -28,9 +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/class/html.formfile.class.php';
 
-$langs->load("users");
-$langs->load("admin");
-$langs->load("other");
+// Load traductions files requiredby by page
+$langs->loadLangs(array("users","admin","other"));
 
 if (! $user->admin)
 	accessforbidden();
@@ -107,8 +106,6 @@ dol_fiche_head($head, 'misc', $langs->trans("Security"), -1);
 
 
 // Other Options
-$var=true;
-
 print '<table class="noborder" width="100%">';
 print '<tr class="liste_titre">';
 print '<td colspan="3">'.$langs->trans("Parameters").'</td>';
@@ -116,7 +113,6 @@ print '<td align="right" width="100">'.$langs->trans("Status").'</td>';
 print '</tr>';
 
 // Enable Captcha code
-
 print '<tr class="oddeven">';
 print '<td colspan="3">'.$langs->trans("UseCaptchaCode").'</td>';
 print '<td align="right">';
@@ -146,7 +142,6 @@ else
 print '</td></tr>';
 
 // Enable advanced perms
-
 print '<tr class="oddeven">';
 print '<td colspan="3">'.$langs->trans("UseAdvancedPerms").'</td>';
 print '<td align="right">';
@@ -174,8 +169,6 @@ print '<br>';
 
 
 // Timeout
-$var=true;
-
 print '<table width="100%" class="noborder">';
 print '<tr class="liste_titre">';
 print '<td colspan="2">'.$langs->trans("Parameters").'</td>';
diff --git a/htdocs/admin/sms.php b/htdocs/admin/sms.php
index 0027f2e834d..9d18d443775 100644
--- a/htdocs/admin/sms.php
+++ b/htdocs/admin/sms.php
@@ -25,12 +25,8 @@
 require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
-$langs->load("companies");
-$langs->load("products");
-$langs->load("admin");
-$langs->load("sms");
-$langs->load("other");
-$langs->load("errors");
+// Load traductions files requiredby by page
+$langs->loadLangs(array("companies","admin","products","sms","other","errors"));
 
 if (!$user->admin)
 accessforbidden();
@@ -169,30 +165,25 @@ if ($action == 'edit')
 	print '<input type="hidden" name="action" value="update">';
 
 	clearstatcache();
-	$var=true;
 
 	print '<table class="noborder" width="100%">';
 	print '<tr class="liste_titre"><td>'.$langs->trans("Parameter").'</td><td>'.$langs->trans("Value").'</td></tr>';
 
-	// Disable
-	
+	// Disable	
 	print '<tr class="oddeven"><td>'.$langs->trans("MAIN_DISABLE_ALL_SMS").'</td><td>';
 	print $form->selectyesno('MAIN_DISABLE_ALL_SMS',$conf->global->MAIN_DISABLE_ALL_SMS,1);
 	print '</td></tr>';
 
-	// Separator
-	
+	// Separator	
 	print '<tr class="oddeven"><td colspan="2">&nbsp;</td></tr>';
 
-	// Method
-	
+	// Method	
 	print '<tr class="oddeven"><td>'.$langs->trans("MAIN_SMS_SENDMODE").'</td><td>';
 	if (count($listofmethods)) print $form->selectarray('MAIN_SMS_SENDMODE',$listofmethods,$conf->global->MAIN_SMS_SENDMODE,1);
 	else print '<font class="error">'.$langs->trans("None").'</font>';
     print '</td></tr>';
 
-	// From
-	
+	// From	
 	print '<tr class="oddeven"><td>'.$langs->trans("MAIN_MAIL_SMS_FROM",$langs->transnoentities("Undefined")).'</td>';
 	print '<td><input class="flat" name="MAIN_MAIL_SMS_FROM" size="32" value="' . $conf->global->MAIN_MAIL_SMS_FROM;
 	print '"></td></tr>';
@@ -216,31 +207,26 @@ if ($action == 'edit')
 }
 else
 {
-	$var=true;
 
 	if (! count($listofmethods)) print '<div class="warning">'.$langs->trans("NoSmsEngine",'<a target="_blank" href="http://www.dolistore.com/search.php?orderby=position&orderway=desc&search_query=smsmanager">DoliStore</a>').'</div>';
 
 	print '<table class="noborder" width="100%">';
 	print '<tr class="liste_titre"><td>'.$langs->trans("Parameter").'</td><td>'.$langs->trans("Value").'</td></tr>';
 
-	// Disable
-	
+	// Disable	
 	print '<tr class="oddeven"><td>'.$langs->trans("MAIN_DISABLE_ALL_SMS").'</td><td>'.yn($conf->global->MAIN_DISABLE_ALL_SMS).'</td></tr>';
 
-	// Separator
-	
+	// Separator	
 	print '<tr class="oddeven"><td colspan="2">&nbsp;</td></tr>';
 
-	// Method
-	
+	// Method	
 	print '<tr class="oddeven"><td>'.$langs->trans("MAIN_SMS_SENDMODE").'</td><td>';
 	$text=$listofmethods[$conf->global->MAIN_SMS_SENDMODE];
 	if (empty($text)) $text=$langs->trans("Undefined").' '.img_warning();
 	print $text;
 	print '</td></tr>';
 
-	// From
-	
+	// From	
 	print '<tr class="oddeven"><td>'.$langs->trans("MAIN_MAIL_SMS_FROM",$langs->transnoentities("Undefined")).'</td>';
 	print '<td>'.$conf->global->MAIN_MAIL_SMS_FROM;
 	if (!empty($conf->global->MAIN_MAIL_SMS_FROM) && ! isValidPhone($conf->global->MAIN_MAIL_SMS_FROM)) print ' '.img_warning($langs->trans("ErrorBadPhone"));
diff --git a/htdocs/admin/spip.php b/htdocs/admin/spip.php
index 1452ea572d0..850625859b6 100644
--- a/htdocs/admin/spip.php
+++ b/htdocs/admin/spip.php
@@ -32,9 +32,8 @@ 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';
 
-$langs->load("admin");
-$langs->load("members");
-$langs->load("mailmanspip");
+// Load traductions files requiredby by page
+$langs->loadLangs(array("admin", "members", "mailmanspip"));
 
 if (! $user->admin) accessforbidden();
 
@@ -118,8 +117,6 @@ print load_fiche_titre($langs->trans("MailmanSpipSetup"),$linkback,'title_setup'
 $head = mailmanspip_admin_prepare_head();
 
 
-$var=true;
-
 /*
  * Spip
  */
diff --git a/htdocs/admin/stock.php b/htdocs/admin/stock.php
index e7c77f5955f..2e6cd133942 100644
--- a/htdocs/admin/stock.php
+++ b/htdocs/admin/stock.php
@@ -3,7 +3,7 @@
  * Copyright (C) 2008-2010 Laurent Destailleur  <eldy@users.sourceforge.net>
  * Copyright (C) 2005-2009 Regis Houssin        <regis.houssin@capnetworks.com>
  * Copyright (C) 2012-2013 Juanjo Menent		<jmenent@2byte.es>
- * Copyright (C) 2013-2017 Philippe Grand       <philippe.grand@atoo-net.com>
+ * Copyright (C) 2013-2018 Philippe Grand       <philippe.grand@atoo-net.com>
  * Copyright (C) 2013      Florian Henry        <florian.henry@open-concept.pro>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -28,8 +28,8 @@
 require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
-$langs->load("admin");
-$langs->load("stocks");
+// Load traductions files requiredby by page
+$langs->loadLangs(array("admin", "stocks"));
 
 // Securit check
 if (!$user->admin) accessforbidden();
@@ -162,11 +162,9 @@ print '<tr class="liste_titre">';
 print "  <td>".$langs->trans("RuleForStockManagementDecrease")."</td>\n";
 print "  <td align=\"right\" width=\"160\">&nbsp;</td>\n";
 print '</tr>'."\n";
-$var=true;
 
 $found=0;
 
-
 print '<tr class="oddeven">';
 print '<td>'.$langs->trans("DeStockOnBill").'</td>';
 print '<td align="right">';
@@ -266,11 +264,9 @@ print '<tr class="liste_titre">';
 print "  <td>".$langs->trans("RuleForStockManagementIncrease")."</td>\n";
 print "  <td align=\"right\" width=\"160\">&nbsp;</td>\n";
 print '</tr>'."\n";
-$var=true;
 
 $found=0;
 
-
 print '<tr class="oddeven">';
 print '<td>'.$langs->trans("ReStockOnBill").'</td>';
 print '<td align="right">';
@@ -362,8 +358,8 @@ print "</td>\n";
 print "</tr>\n";
 
 // Option to force stock to be enough before adding a line into document
-if($conf->invoice->enabled) {
-	$var = !$var;
+if($conf->invoice->enabled)
+{
 	print '<tr class="oddeven">';
 	print '<td>'.$langs->trans("StockMustBeEnoughForInvoice").'</td>';
 	print '<td align="right">';
@@ -377,8 +373,8 @@ if($conf->invoice->enabled) {
 	print "</tr>\n";
 }
 
-if($conf->order->enabled) {
-	$var = !$var;
+if($conf->order->enabled) 
+{
 	print '<tr class="oddeven">';
 	print '<td>'.$langs->trans("StockMustBeEnoughForOrder").'</td>';
 	print '<td align="right">';
@@ -392,8 +388,8 @@ if($conf->order->enabled) {
 	print "</tr>\n";
 }
 
-if($conf->expedition->enabled) {
-	$var = !$var;
+if($conf->expedition->enabled) 
+{
 	print '<tr class="oddeven">';
 	print '<td>'.$langs->trans("StockMustBeEnoughForShipment").'</td>';
 	print '<td align="right">';
@@ -408,7 +404,6 @@ if($conf->expedition->enabled) {
 }
 print '</table>';
 
-
 print '<br>';
 
 $virtualdiffersfromphysical=0;
@@ -423,7 +418,7 @@ if ($virtualdiffersfromphysical)
 	print "  <td>".$langs->trans("RuleForStockReplenishment")." ".img_help('help',$langs->trans("VirtualDiffersFromPhysical"))."</td>\n";
 	print "  <td align=\"right\" width=\"160\">&nbsp;</td>\n";
 	print '</tr>'."\n";
-	$var = !$var;
+
 	print '<tr class="oddeven">';
 	print '<td>'.$langs->trans("UseVirtualStockByDefault").'</td>';
 	print '<td align="right">';
diff --git a/htdocs/admin/supplier_invoice.php b/htdocs/admin/supplier_invoice.php
index 1532ca0a89d..485e8fc06b2 100644
--- a/htdocs/admin/supplier_invoice.php
+++ b/htdocs/admin/supplier_invoice.php
@@ -5,7 +5,7 @@
  * Copyright (C) 2004      Sebastien Di Cintio     <sdicintio@ressource-toi.org>
  * Copyright (C) 2004      Benoit Mortier          <benoit.mortier@opensides.be>
  * Copyright (C) 2010-2013 Juanjo Menent           <jmenent@2byte.es>
- * Copyright (C) 2011-2017 Philippe Grand          <philippe.grand@atoo-net.com>
+ * Copyright (C) 2011-2018 Philippe Grand          <philippe.grand@atoo-net.com>
  *
  * 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
@@ -34,9 +34,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/fourn.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.facture.class.php';
 
-$langs->load("admin");
-$langs->load("other");
-$langs->load("orders");
+// Load traductions files requiredby by page
+$langs->loadLangs(array("admin", "other", "orders"));
 
 if (!$user->admin)
 accessforbidden();
@@ -233,7 +232,6 @@ foreach ($dirmodels as $reldir)
         $handle = opendir($dir);
         if (is_resource($handle))
         {
-            $var=true;
 
             while (($file = readdir($handle))!==false)
             {
diff --git a/htdocs/admin/supplier_order.php b/htdocs/admin/supplier_order.php
index b86b674e9ad..dd0b136ef4f 100644
--- a/htdocs/admin/supplier_order.php
+++ b/htdocs/admin/supplier_order.php
@@ -5,7 +5,7 @@
  * Copyright (C) 2004      Sebastien Di Cintio     <sdicintio@ressource-toi.org>
  * Copyright (C) 2004      Benoit Mortier          <benoit.mortier@opensides.be>
  * Copyright (C) 2010-2013 Juanjo Menent           <jmenent@2byte.es>
- * Copyright (C) 2011-2017 Philippe Grand          <philippe.grand@atoo-net.com>
+ * Copyright (C) 2011-2018 Philippe Grand          <philippe.grand@atoo-net.com>
  *
  * 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
@@ -34,9 +34,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/fourn.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.commande.class.php';
 
-$langs->load("admin");
-$langs->load("other");
-$langs->load("orders");
+// Load traductions files requiredby by page
+$langs->loadLangs(array("admin", "other", "orders"));
 
 if (!$user->admin)
 accessforbidden();
@@ -262,7 +261,6 @@ foreach ($dirmodels as $reldir)
         $handle = opendir($dir);
         if (is_resource($handle))
         {
-            $var=true;
 
             while (($file = readdir($handle))!==false)
             {
diff --git a/htdocs/admin/supplier_payment.php b/htdocs/admin/supplier_payment.php
index 86cd8d02207..81ac029e244 100644
--- a/htdocs/admin/supplier_payment.php
+++ b/htdocs/admin/supplier_payment.php
@@ -27,12 +27,8 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/fourn.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/paiementfourn.class.php';
 
-$langs->load("admin");
-$langs->load("errors");
-$langs->load('other');
-$langs->load('bills');
-$langs->load('orders');
-
+// Load traductions files requiredby by page
+$langs->loadLangs(array("admin", "errors", "other", "bills", "orders"));
 
 if (! $user->admin) accessforbidden();
 
@@ -217,7 +213,6 @@ foreach ($dirmodels as $reldir)
         $handle = opendir($dir);
         if (is_resource($handle))
         {
-            $var=true;
 
             while (($file = readdir($handle))!==false)
             {
@@ -249,7 +244,6 @@ foreach ($dirmodels as $reldir)
 
                         if ($module->isEnabled())
                         {
-                            $var = !$var;
                             print '<tr class="oddeven"><td width="100">';
                             echo preg_replace('/\-.*$/','',preg_replace('/mod_supplier_payment_/','',preg_replace('/\.php$/','',$file)));
                             print "</td><td>\n";
@@ -360,7 +354,6 @@ foreach ($dirmodels as $reldir)
 	                require_once $dir.'/'.$file;
 	                $module = new $classname($db, new PaiementFourn($db));
 
-
                     print "<tr class=\"oddeven\">\n";
                     print "<td>";
 	                print (empty($module->name)?$name:$module->name);
diff --git a/htdocs/admin/supplier_proposal.php b/htdocs/admin/supplier_proposal.php
index 0c389f6b4c2..6c9e01b621b 100644
--- a/htdocs/admin/supplier_proposal.php
+++ b/htdocs/admin/supplier_proposal.php
@@ -28,10 +28,9 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/pdf.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/supplier_proposal/class/supplier_proposal.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/supplier_proposal.lib.php';
-$langs->load("admin");
-$langs->load("errors");
-$langs->load('other');
-$langs->load('supplier_proposal');
+
+// Load traductions files requiredby by page
+$langs->loadLangs(array("admin", "errors", "other", "supplier_proposal"));
 
 if (! $user->admin) accessforbidden();
 
@@ -247,7 +246,6 @@ foreach ($dirmodels as $reldir)
 		$handle = opendir($dir);
 		if (is_resource($handle))
 		{
-			$var=true;
 
 			while (($file = readdir($handle))!==false)
 			{
@@ -366,7 +364,6 @@ print "</tr>\n";
 
 clearstatcache();
 
-$var=true;
 foreach ($dirmodels as $reldir)
 {
     foreach (array('','/doc') as $valdir)
@@ -403,7 +400,6 @@ foreach ($dirmodels as $reldir)
 
 	                        if ($modulequalified)
 	                        {
-	                            $var = !$var;
 	                            print '<tr class="oddeven"><td width="100">';
 	                            print (empty($module->name)?$name:$module->name);
 	                            print "</td><td>\n";
@@ -492,7 +488,6 @@ print '<br>';
  */
 print load_fiche_titre($langs->trans("OtherOptions"),'','');
 
-$var=true;
 print "<table class=\"noborder\" width=\"100%\">";
 print "<tr class=\"liste_titre\">";
 print "<td>".$langs->trans("Parameter")."</td>\n";
@@ -506,7 +501,6 @@ $htmltext = '<i>'.$langs->trans("AvailableVariables").':<br>';
 foreach($substitutionarray as $key => $val)	$htmltext.=$key.'<br>';
 $htmltext.='</i>';
 
-$var=! $var;
 print '<form action="'.$_SERVER["PHP_SELF"].'" method="post">';
 print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
 print '<input type="hidden" name="action" value="set_SUPPLIER_PROPOSAL_FREE_TEXT">';
@@ -585,7 +579,7 @@ print "<tr class=\"liste_titre\">\n";
 print "  <td>".$langs->trans("Name")."</td>\n";
 print "  <td>".$langs->trans("Value")."</td>\n";
 print "</tr>\n";
-print "<tr ".$bc[false].">\n  <td width=\"140\">".$langs->trans("PathDirectory")."</td>\n  <td>".$conf->supplier_proposal->dir_output."</td>\n</tr>\n";
+print "<tr class=\"oddeven\">\n  <td width=\"140\">".$langs->trans("PathDirectory")."</td>\n  <td>".$conf->supplier_proposal->dir_output."</td>\n</tr>\n";
 print "</table>\n<br>";
 
 llxFooter();
diff --git a/htdocs/admin/syslog.php b/htdocs/admin/syslog.php
index bd2e07ef97d..10299015b8b 100644
--- a/htdocs/admin/syslog.php
+++ b/htdocs/admin/syslog.php
@@ -279,7 +279,6 @@ print '<tr class="liste_titre">';
 print '<td>'.$langs->trans("Parameter").'</td><td>'.$langs->trans("Value").'</td>';
 print '<td align="right"><input type="submit" class="button" '.$option.' value="'.$langs->trans("Modify").'"></td>';
 print "</tr>\n";
-$var=true;
 
 print '<tr class="oddeven"><td width="140">'.$langs->trans("SyslogLevel").'</td>';
 print '<td colspan="2"><select class="flat" name="level" '.$option.'>';
diff --git a/htdocs/admin/usergroup.php b/htdocs/admin/usergroup.php
index 75497e9d19d..7ee7d050b4b 100644
--- a/htdocs/admin/usergroup.php
+++ b/htdocs/admin/usergroup.php
@@ -32,9 +32,9 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/usergroups.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
 
-$langs->load("admin");
-$langs->load("members");
-$langs->load("users");
+// Load traductions files requiredby by page
+$langs->loadLangs(array("admin", "members", "users"));
+
 if (! $user->admin) accessforbidden();
 
 $extrafields = new ExtraFields($db);
@@ -165,7 +165,6 @@ print "</tr>\n";
 
 clearstatcache();
 
-$var=true;
 foreach ($dirmodels as $reldir)
 {
     foreach (array('','/doc') as $valdir)
@@ -202,7 +201,6 @@ foreach ($dirmodels as $reldir)
 
 	                        if ($modulequalified)
 	                        {
-	                            $var = !$var;
 	                            print '<tr class="oddeven"><td width="100">';
 	                            print (empty($module->name)?$name:$module->name);
 	                            print "</td><td>\n";