diff --git a/htdocs/admin/agenda_extsites.php b/htdocs/admin/agenda_extsites.php
index 4c1b49d75e6..f40ab648e42 100644
--- a/htdocs/admin/agenda_extsites.php
+++ b/htdocs/admin/agenda_extsites.php
@@ -148,7 +148,6 @@ print "<br>\n";
 $selectedvalue=$conf->global->AGENDA_DISABLE_EXT;
 if ($selectedvalue==1) $selectedvalue=0; else $selectedvalue=1;
 
-$var=true;
 print "<table class=\"noborder\" width=\"100%\">";
 
 print "<tr class=\"liste_titre\">";
@@ -202,7 +201,6 @@ print '<td align="right">'.$langs->trans("Color").'</td>';
 print "</tr>";
 
 $i=1;
-$var=true;
 while ($i <= $MAXAGENDA)
 {
 	$key=$i;
diff --git a/htdocs/admin/barcode.php b/htdocs/admin/barcode.php
index 313a852e384..db2b85fa986 100644
--- a/htdocs/admin/barcode.php
+++ b/htdocs/admin/barcode.php
@@ -157,7 +157,6 @@ foreach($dirbarcode as $reldir)
 /*
  *  CHOIX ENCODAGE
  */
-$var=true;
 
 print '<br>';
 print load_fiche_titre($langs->trans("BarcodeEncodeModule"),'','');
@@ -185,7 +184,6 @@ if ($resql)
 {
 	$num = $db->num_rows($resql);
 	$i = 0;
-	$var=true;
 
 	while ($i <	$num)
 	{
@@ -277,7 +275,6 @@ print "<form method=\"post\" action=\"".$_SERVER["PHP_SELF"]."\">";
 print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
 print "<input type=\"hidden\" name=\"action\" value=\"update\">";
 
-$var=true;
 print '<table class="noborder" width="100%">';
 print '<tr class="liste_titre">';
 print '<td>'.$langs->trans("Parameter").'</td>';
diff --git a/htdocs/admin/chequereceipts.php b/htdocs/admin/chequereceipts.php
index 86b38283649..0d2363f60c8 100644
--- a/htdocs/admin/chequereceipts.php
+++ b/htdocs/admin/chequereceipts.php
@@ -1,7 +1,7 @@
 <?php
 /* Copyright (C) 2009       Laurent Destailleur        <eldy@users.sourceforge.net>
  * Copyright (C) 2010-2016  Juanjo Menent	       <jmenent@2byte.es>
- * Copyright (C) 2013-2014  Philippe Grand             <philippe.grand@atoo-net.com>
+ * Copyright (C) 2013-2018  Philippe Grand             <philippe.grand@atoo-net.com>
  * Copyright (C) 2015       Jean-François Ferry         <jfefe@aternatik.fr>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -31,11 +31,8 @@ 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';
 
-$langs->load("admin");
-$langs->load("companies");
-$langs->load("bills");
-$langs->load("other");
-$langs->load("banks");
+// Load traductions files requiredby by page
+$langs->loadLangs(array("admin","companies","bills","other","banks"));
 
 if (!$user->admin)
   accessforbidden();
@@ -133,8 +130,6 @@ foreach ($dirmodels as $reldir)
 		$handle = opendir($dir);
 		if (is_resource($handle))
 		{
-			$var=true;
-
 			while (($file = readdir($handle))!==false)
 			{
 				if (! is_dir($dir.$file) || (substr($file, 0, 1) <> '.' && substr($file, 0, 3) <> 'CVS'))
@@ -166,7 +161,6 @@ foreach ($dirmodels as $reldir)
 
 						if ($module->isEnabled())
 						{
-							$var = !$var;
 							print '<tr class="oddeven"><td width="100">';
 							print (empty($module->name)?$name:$module->name);
 							print "</td><td>\n";
@@ -254,9 +248,6 @@ print '<td>'.$langs->trans("Parameters").'</td>';
 print '<td align="center" width="60">&nbsp;</td>';
 print '<td width="80">&nbsp;</td>';
 print "</tr>\n";
-$var=true;
-
-$var=! $var;
 
 $substitutionarray=pdf_getSubstitutionArray($langs, null, null, 2);
 $substitutionarray['__(AnyTranslationKey)__']=$langs->trans("Translation");
diff --git a/htdocs/admin/clicktodial.php b/htdocs/admin/clicktodial.php
index e9224ba4688..582131b22f3 100644
--- a/htdocs/admin/clicktodial.php
+++ b/htdocs/admin/clicktodial.php
@@ -72,8 +72,6 @@ print '<form method="post" action="clicktodial.php">';
 print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
 print '<input type="hidden" name="action" value="setvalue">';
 
-$var=true;
-
 print '<table class="noborder" width="100%">';
 print '<tr class="liste_titre">';
 print '<td>'.$langs->trans("Name").'</td>';
diff --git a/htdocs/admin/commande.php b/htdocs/admin/commande.php
index 5db56c82aa2..cd4f4ca4ab2 100644
--- a/htdocs/admin/commande.php
+++ b/htdocs/admin/commande.php
@@ -286,7 +286,6 @@ foreach ($dirmodels as $reldir)
 		$handle = opendir($dir);
 		if (is_resource($handle))
 		{
-			$var=true;
 
 			while (($file = readdir($handle))!==false)
 			{
@@ -406,7 +405,6 @@ print "</tr>\n";
 
 clearstatcache();
 
-$var=true;
 foreach ($dirmodels as $reldir)
 {
     foreach (array('','/doc') as $valdir)
@@ -537,7 +535,6 @@ print '<td>'.$langs->trans("Parameter").'</td>';
 print '<td align="center" width="60">'.$langs->trans("Value").'</td>';
 print "<td>&nbsp;</td>\n";
 print "</tr>\n";
-$var=true;
 
 $substitutionarray=pdf_getSubstitutionArray($langs, null, null, 2);
 $substitutionarray['__(AnyTranslationKey)__']=$langs->trans("Translation");
@@ -545,7 +542,6 @@ $htmltext = '<i>'.$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_ORDER_FREE_TEXT">';
diff --git a/htdocs/admin/contract.php b/htdocs/admin/contract.php
index 83c3634c35c..82fa51e5ca8 100644
--- a/htdocs/admin/contract.php
+++ b/htdocs/admin/contract.php
@@ -1,6 +1,6 @@
 <?php
 /* Copyright (C) 2011-2013      Juanjo Menent	    <jmenent@2byte.es>
- * Copyright (C) 2011-2015      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
@@ -28,9 +28,8 @@ 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';
 
-$langs->load("admin");
-$langs->load("errors");
-$langs->load("contracts");
+// Load traductions files requiredby by page
+$langs->loadLangs(array("admin","errors","contracts"));
 
 if (!$user->admin) accessforbidden();
 
@@ -220,7 +219,6 @@ foreach ($dirmodels as $reldir)
 		$handle = opendir($dir);
 		if (is_resource($handle))
 		{
-			$var=true;
 
 			while (($file = readdir($handle))!==false)
 			{
@@ -339,7 +337,6 @@ print "</tr>\n";
 
 clearstatcache();
 
-$var=true;
 foreach ($dirmodels as $reldir)
 {
     foreach (array('','/doc') as $valdir)
@@ -377,7 +374,6 @@ foreach ($dirmodels as $reldir)
 
 	                        if ($modulequalified)
 	                        {
-	                            $var = !$var;
 	                            print '<tr class="oddeven"><td width="100">';
 	                            print (empty($module->name)?$name:$module->name);
 	                            print "</td><td>\n";
@@ -472,7 +468,6 @@ print '<tr class="liste_titre">';
 print '<td>'.$langs->trans("Parameter").'</td>';
 print '<td align="center" width="60">'.$langs->trans("Value").'</td>';
 print "</tr>\n";
-$var=true;
 
 $substitutionarray=pdf_getSubstitutionArray($langs, array('objectamount'), null, 2);
 $substitutionarray['__(AnyTranslationKey)__']=$langs->trans("Translation");
@@ -480,7 +475,6 @@ $htmltext = '<i>'.$langs->trans("AvailableVariables").':<br>';
 foreach($substitutionarray as $key => $val)	$htmltext.=$key.'<br>';
 $htmltext.='</i>';
 
-$var=! $var;
 print '<tr class="oddeven"><td colspan="2">';
 print $form->textwithpicto($langs->trans("FreeLegalTextOnContracts"), $langs->trans("AddCRIfTooLong").'<br><br>'.$htmltext, 1, 'help', '', 0, 2, 'tooltiphelp');
 print '<br>';
diff --git a/htdocs/admin/delais.php b/htdocs/admin/delais.php
index 37f66427225..4cf423b317f 100644
--- a/htdocs/admin/delais.php
+++ b/htdocs/admin/delais.php
@@ -144,7 +144,7 @@ if ($action == 'update')
 	$plus='';
 	if(!empty($conf->global->MAIN_USE_METEO_WITH_PERCENTAGE)) $plus = '_PERCENTAGE';
 	// Update values
-	for($i=0;$i<4;$i++) {
+	for($i=0; $i<4; $i++) {
     	if(isset($_POST['MAIN_METEO'.$plus.'_LEVEL'.$i])) dolibarr_set_const($db, 'MAIN_METEO'.$plus.'_LEVEL'.$i, GETPOST('MAIN_METEO'.$plus.'_LEVEL'.$i, 'int'),'chaine',0,'',$conf->entity);
     }
 
@@ -172,7 +172,6 @@ if ($action == 'edit')
     print '<form method="post" action="'.$_SERVER['PHP_SELF'].'" name="form_index">';
     print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
     print '<input type="hidden" name="action" value="update">';
-    $var=true;
 
     print '<table class="noborder" width="100%">';
     print '<tr class="liste_titre"><td colspan="2">'.$langs->trans("DelaysOfToleranceBeforeWarning").'</td><td class="center" width="120px">'.$langs->trans("Value").'</td></tr>';
@@ -215,7 +214,6 @@ else
 
 	print '<table class="noborder" width="100%">';
     print '<tr class="liste_titre"><td colspan="2">'.$langs->trans("DelaysOfToleranceBeforeWarning").'</td><td class="center" width="120px">'.$langs->trans("Value").'</td></tr>';
-    $var=true;
 
     foreach($modules as $module => $delays)
     {
@@ -241,7 +239,6 @@ else
 	print '<table class="noborder" width="100%">';
 	print '<tr class="liste_titre"><td>'.$langs->trans("Parameter").'</td><td class="center" width="120px">'.$langs->trans("Value").'</td></tr>';
 
-	$var=false;
 	print '<tr class="oddeven">';
 	print '<td>'.$langs->trans("MAIN_DISABLE_METEO").'</td><td class="center">' . yn($conf->global->MAIN_DISABLE_METEO) . '</td></tr>';