diff --git a/htdocs/adherents/card_subscriptions.php b/htdocs/adherents/card_subscriptions.php
index a53c2150989..369027b1e14 100644
--- a/htdocs/adherents/card_subscriptions.php
+++ b/htdocs/adherents/card_subscriptions.php
@@ -991,7 +991,7 @@ if ($rowid)
                 if (! empty($conf->societe->enabled) && ! empty($conf->facture->enabled))
                 {
                     print '<input type="radio" class="moreaction" id="invoiceonly" name="paymentsave" value="invoiceonly"'.(! empty($invoiceonly)?' checked':'');
-                    //if (empty($object->fk_soc)) print ' disabled="disabled"';
+                    //if (empty($object->fk_soc)) print ' disabled';
                     print '> '.$langs->trans("MoreActionInvoiceOnly");
                     if ($object->fk_soc) print ' ('.$langs->trans("ThirdParty").': '.$company->getNomUrl(1).')';
                     else
@@ -1016,7 +1016,7 @@ if ($rowid)
                 if (! empty($conf->banque->enabled) && ! empty($conf->societe->enabled) && ! empty($conf->facture->enabled))
                 {
                     print '<input type="radio" class="moreaction" id="bankviainvoice" name="paymentsave" value="bankviainvoice"'.(! empty($bankviainvoice)?' checked':'');
-                    //if (empty($object->fk_soc)) print ' disabled="disabled"';
+                    //if (empty($object->fk_soc)) print ' disabled';
                     print '> '.$langs->trans("MoreActionBankViaInvoice");
                     if ($object->fk_soc) print ' ('.$langs->trans("ThirdParty").': '.$company->getNomUrl(1).')';
                     else
diff --git a/htdocs/admin/boxes.php b/htdocs/admin/boxes.php
index 6ec43d4b7b4..18c63a48798 100644
--- a/htdocs/admin/boxes.php
+++ b/htdocs/admin/boxes.php
@@ -375,7 +375,7 @@ foreach($boxtoadd as $box)
 
 print '</table>'."\n";
 print '<div class="right">';
-print '<input type="submit" class="button"'.(count($boxtoadd)?'':' disabled="disabled"').' value="'.$langs->trans("Activate").'">';
+print '<input type="submit" class="button"'.(count($boxtoadd)?'':' disabled').' value="'.$langs->trans("Activate").'">';
 print '</div>'."\n";
 print '</form>';
 print "\n".'<!-- End Boxes Available -->'."\n";
diff --git a/htdocs/admin/menus.php b/htdocs/admin/menus.php
index 3bceffeacfc..ad83def9ce8 100644
--- a/htdocs/admin/menus.php
+++ b/htdocs/admin/menus.php
@@ -183,10 +183,10 @@ if ($action == 'edit')
 	$var=!$var;
 	print '<tr '.$bc[$var].'><td>'.$langs->trans("DefaultMenuManager").'</td>';
 	print '<td>';
-	$formadmin->select_menu(empty($conf->global->MAIN_MENU_STANDARD_FORCED)?$conf->global->MAIN_MENU_STANDARD:$conf->global->MAIN_MENU_STANDARD_FORCED, 'MAIN_MENU_STANDARD', $dirstandard, empty($conf->global->MAIN_MENU_STANDARD_FORCED)?'':' disabled="disabled"');
+	$formadmin->select_menu(empty($conf->global->MAIN_MENU_STANDARD_FORCED)?$conf->global->MAIN_MENU_STANDARD:$conf->global->MAIN_MENU_STANDARD_FORCED, 'MAIN_MENU_STANDARD', $dirstandard, empty($conf->global->MAIN_MENU_STANDARD_FORCED)?'':' disabled');
 	print '</td>';
 	print '<td>';
-	$formadmin->select_menu(empty($conf->global->MAIN_MENUFRONT_STANDARD_FORCED)?$conf->global->MAIN_MENUFRONT_STANDARD:$conf->global->MAIN_MENUFRONT_STANDARD_FORCED, 'MAIN_MENUFRONT_STANDARD', $dirstandard, empty($conf->global->MAIN_MENUFRONT_STANDARD_FORCED)?'':' disabled="disabled"');
+	$formadmin->select_menu(empty($conf->global->MAIN_MENUFRONT_STANDARD_FORCED)?$conf->global->MAIN_MENUFRONT_STANDARD:$conf->global->MAIN_MENUFRONT_STANDARD_FORCED, 'MAIN_MENUFRONT_STANDARD', $dirstandard, empty($conf->global->MAIN_MENUFRONT_STANDARD_FORCED)?'':' disabled');
 	print '</td>';
 	print '</tr>';
 
@@ -194,10 +194,10 @@ if ($action == 'edit')
 	$var=!$var;
 	print '<tr '.$bc[$var].'><td>'.$langs->trans("DefaultMenuSmartphoneManager").'</td>';
 	print '<td>';
-	$formadmin->select_menu(empty($conf->global->MAIN_MENU_SMARTPHONE_FORCED)?$conf->global->MAIN_MENU_SMARTPHONE:$conf->global->MAIN_MENU_SMARTPHONE_FORCED, 'MAIN_MENU_SMARTPHONE', array_merge($dirstandard,$dirsmartphone), empty($conf->global->MAIN_MENU_SMARTPHONE_FORCED)?'':' disabled="disabled"');
+	$formadmin->select_menu(empty($conf->global->MAIN_MENU_SMARTPHONE_FORCED)?$conf->global->MAIN_MENU_SMARTPHONE:$conf->global->MAIN_MENU_SMARTPHONE_FORCED, 'MAIN_MENU_SMARTPHONE', array_merge($dirstandard,$dirsmartphone), empty($conf->global->MAIN_MENU_SMARTPHONE_FORCED)?'':' disabled');
 	print '</td>';
 	print '<td>';
-	$formadmin->select_menu(empty($conf->global->MAIN_MENUFRONT_SMARTPHONE_FORCED)?$conf->global->MAIN_MENUFRONT_SMARTPHONE:$conf->global->MAIN_MENUFRONT_SMARTPHONE_FORCED, 'MAIN_MENUFRONT_SMARTPHONE', array_merge($dirstandard,$dirsmartphone), empty($conf->global->MAIN_MENUFRONT_SMARTPHONE_FORCED)?'':' disabled="disabled"');
+	$formadmin->select_menu(empty($conf->global->MAIN_MENUFRONT_SMARTPHONE_FORCED)?$conf->global->MAIN_MENUFRONT_SMARTPHONE:$conf->global->MAIN_MENUFRONT_SMARTPHONE_FORCED, 'MAIN_MENUFRONT_SMARTPHONE', array_merge($dirstandard,$dirsmartphone), empty($conf->global->MAIN_MENUFRONT_SMARTPHONE_FORCED)?'':' disabled');
 	print '</td>';
 	print '</tr>';
 
diff --git a/htdocs/admin/sms.php b/htdocs/admin/sms.php
index 682b1e456eb..44bab100730 100644
--- a/htdocs/admin/sms.php
+++ b/htdocs/admin/sms.php
@@ -204,7 +204,7 @@ if ($action == 'edit')
 	print '</table>';
 
 	print '<br><div class="center">';
-	print '<input class="button" type="submit" name="save" value="'.$langs->trans("Save").'"'.(!count($listofmethods)?' disabled="disbaled"':'').'>';
+	print '<input class="button" type="submit" name="save" value="'.$langs->trans("Save").'"'.(!count($listofmethods)?' disabled':'').'>';
 	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
 	print '<input class="button" type="submit" name="cancel" value="'.$langs->trans("Cancel").'">';
 	print '</div>';
diff --git a/htdocs/admin/stock.php b/htdocs/admin/stock.php
index 49df241e957..0f6560ad055 100644
--- a/htdocs/admin/stock.php
+++ b/htdocs/admin/stock.php
@@ -122,7 +122,7 @@ $disabled='';
 if (! empty($conf->productbatch->enabled))
 {
 	$langs->load("productbatch");
-	$disabled=' disabled="disabled"';
+	$disabled=' disabled';
 	print info_admin($langs->trans("WhenProductBatchModuleOnOptionAreForced"));
 }
 
diff --git a/htdocs/admin/syslog.php b/htdocs/admin/syslog.php
index 9ee2898e51d..3eebfebb37b 100644
--- a/htdocs/admin/syslog.php
+++ b/htdocs/admin/syslog.php
@@ -161,7 +161,7 @@ if (! $defaultsyslogfile) $defaultsyslogfile='dolibarr.log';
 if ($conf->global->MAIN_MODULE_MULTICOMPANY && $user->entity)
 {
 	print '<div class="error">'.$langs->trans("ContactSuperAdminForChange").'</div>';
-	$option = 'disabled="disabled"';
+	$option = 'disabled';
 }
 
 
@@ -192,7 +192,7 @@ foreach ($syslogModules as $moduleName)
 	$var=!$var;
 	print '<tr '.$bc[$var].'>';
 	print '<td width="140">';
-	print '<input '.$bc[$var].' type="checkbox" name="SYSLOG_HANDLERS[]" value="'.$moduleName.'" '.(in_array($moduleName, $activeModules) ? 'checked' : '').($moduleactive <= 0 ? 'disabled="disabled"' : '').'> ';
+	print '<input '.$bc[$var].' type="checkbox" name="SYSLOG_HANDLERS[]" value="'.$moduleName.'" '.(in_array($moduleName, $activeModules) ? 'checked' : '').($moduleactive <= 0 ? 'disabled' : '').'> ';
 	print $module->getName();
 	print '</td>';
 
diff --git a/htdocs/admin/tools/dolibarr_export.php b/htdocs/admin/tools/dolibarr_export.php
index 3d281c551c1..7cd98625ac9 100644
--- a/htdocs/admin/tools/dolibarr_export.php
+++ b/htdocs/admin/tools/dolibarr_export.php
@@ -265,7 +265,7 @@ print '<tr '.$bc[false].'><td style="padding-left: 8px">';
 				for="checkbox_hexforbinary"> <?php echo $langs->trans("EncodeBinariesInHexa"); ?></label><br>
 
 			<input type="checkbox" name="charset_utf8" value="yes"
-				id="checkbox_charset_utf8" checked disabled="disabled" /> <label
+				id="checkbox_charset_utf8" checked disabled /> <label
 				for="checkbox_charset_utf8"> <?php echo $langs->trans("UTF8"); ?></label><br>
 
 			</fieldset>
@@ -308,7 +308,7 @@ print '<tr '.$bc[false].'><td style="padding-left: 8px">';
                                         id="checkbox_dump_ignore" /> <label for="checkbox_dump_ignore"> <?php echo $langs->trans("IgnoreDuplicateRecords"); ?></label><br>
 
                                 <input type="checkbox" name="nobin_charset_utf8" value="yes"
-                                        id="checkbox_charset_utf8" checked disabled="disabled" /> <label
+                                        id="checkbox_charset_utf8" checked disabled /> <label
                                         for="checkbox_charset_utf8"> <?php echo $langs->trans("UTF8"); ?></label><br>
 
                             </fieldset>
@@ -422,7 +422,7 @@ foreach($compression as $key => $val)
 	}
 	else	// Disabled export format
 	{
-		print '<input type="radio" name="compression" value="'.$key.'" id="'.$val['id'].'" disabled="disabled">';
+		print '<input type="radio" name="compression" value="'.$key.'" id="'.$val['id'].'" disabled>';
 		print ' <label for="'.$val['id'].'">'.$val['label'].'</label>';
 		print ' ('.$langs->trans("NotAvailable").')';
 	}
diff --git a/htdocs/barcode/codeinit.php b/htdocs/barcode/codeinit.php
index 071d1f32bda..12b61d80419 100644
--- a/htdocs/barcode/codeinit.php
+++ b/htdocs/barcode/codeinit.php
@@ -233,8 +233,8 @@ if ($conf->societe->enabled)
 
 	print $langs->trans("CurrentlyNWithoutBarCode", $nbno, $nbtotal, $langs->transnoentitiesnoconv("ThirdParties")).'<br>'."\n";
 
-	print '<br><input class="button" type="submit" id="submitformbarcodethirdpartygen" '.((GETPOST("selectorforbarcode") && GETPOST("selectorforbarcode"))?'':'disabled="checked" ').'value="'.$langs->trans("InitEmptyBarCode",$nbno).'"';
-	print ' title="'.dol_escape_htmltag($langs->trans("FeatureNotYetAvailable")).'" disabled="disabled"';
+	print '<br><input class="button" type="submit" id="submitformbarcodethirdpartygen" '.((GETPOST("selectorforbarcode") && GETPOST("selectorforbarcode"))?'':'disabled ').'value="'.$langs->trans("InitEmptyBarCode",$nbno).'"';
+	print ' title="'.dol_escape_htmltag($langs->trans("FeatureNotYetAvailable")).'" disabled';
 	print '>';
 	print '<br><br><br>';
 }
@@ -307,9 +307,9 @@ if ($conf->product->enabled || $conf->product->service)
 
 	print '<br>';
 	//print '<input type="checkbox" id="erasealreadyset" name="erasealreadyset"> '.$langs->trans("ResetBarcodeForAllRecords").'<br>';
-	$moretags1=(($disabled||$disabled1)?' disabled="disabled" title="'.dol_escape_htmltag($titleno).'"':'');
+	$moretags1=(($disabled||$disabled1)?' disabled title="'.dol_escape_htmltag($titleno).'"':'');
 	print '<input class="button" type="submit" name="submitformbarcodeproductgen" id="submitformbarcodeproductgen" value="'.$langs->trans("InitEmptyBarCode",min($maxperinit,$nbno)).'"'.$moretags1.'>';
-	$moretags2=(($nbno == $nbtotal)?' disabled="disabled"':'');
+	$moretags2=(($nbno == $nbtotal)?' disabled':'');
 	print ' &nbsp; ';
 	print '<input class="button" type="submit" name="eraseallbarcode" id="eraseallbarcode" value="'.$langs->trans("EraseAllCurrentBarCode").'"'.$moretags2.' onClick="return confirm_erase();">';
 	print '<br><br><br>';
diff --git a/htdocs/cashdesk/tpl/facturation1.tpl.php b/htdocs/cashdesk/tpl/facturation1.tpl.php
index 338c0f23b16..98300b71e80 100644
--- a/htdocs/cashdesk/tpl/facturation1.tpl.php
+++ b/htdocs/cashdesk/tpl/facturation1.tpl.php
@@ -110,18 +110,18 @@ $langs->load("cashdesk");
 				</td>
 				<!-- Affichage du stock pour l'article courant -->
 				<td>
-				<input class="texte1_off" type="text" name="txtStock" value="<?php echo $obj_facturation->stock() ?>" disabled="disabled" />
+				<input class="texte1_off" type="text" name="txtStock" value="<?php echo $obj_facturation->stock() ?>" disabled />
 				</td>
 				<!-- Show unit price -->
 				<?php // TODO Remove the disabled and use this value when adding product into cart ?>
-				<td><input class="texte1_off" type="text" name="txtPrixUnit" value="<?php echo price2num($obj_facturation->prix(), 'MU'); ?>" onchange="javascript: modif();" disabled="disabled" /></td>
+				<td><input class="texte1_off" type="text" name="txtPrixUnit" value="<?php echo price2num($obj_facturation->prix(), 'MU'); ?>" onchange="javascript: modif();" disabled /></td>
 				<td><?php echo $conf->currency; ?></td>
     			<!-- Choix de la remise -->
     			<td><input class="texte1" type="text" id="txtRemise" name="txtRemise" value="0" onkeyup="javascript: modif();" onfocus="javascript: this.select();"/>
 <?php print genkeypad("txtRemise", "frmQte");?>
     			</td>
     			<!-- Affichage du total HT -->
-    			<td><input class="texte1_off" type="text" name="txtTotal" value="" disabled="disabled" /></td><td><?php echo $conf->currency; ?></td>
+    			<td><input class="texte1_off" type="text" name="txtTotal" value="" disabled /></td><td><?php echo $conf->currency; ?></td>
                 <!-- Choix du taux de TVA -->
                 <td class="select_tva">
                 <?php //var_dump($tab_tva); ?>
@@ -157,13 +157,13 @@ $langs->load("cashdesk");
 			<tr><th class="label1"><?php echo $langs->trans("TotalTicket"); ?></th><th class="label1"><?php echo $langs->trans("Received"); ?></th><th class="label1"><?php echo $langs->trans("Change"); ?></th></tr>
 			<tr>
 			<!-- Affichage du montant du -->
-			<td><input class="texte2_off" type="text" name="txtDu" value="<?php echo price2num($obj_facturation->prixTotalTtc(), 'MT'); ?>" disabled="disabled" /></td>
+			<td><input class="texte2_off" type="text" name="txtDu" value="<?php echo price2num($obj_facturation->prixTotalTtc(), 'MT'); ?>" disabled /></td>
 			<!-- Choix du montant encaisse -->
 			<td><input class="texte2" type="text" id="txtEncaisse" name="txtEncaisse" value="" onkeyup="javascript: verifDifference();" onfocus="javascript: this.select();" />
 <?php print genkeypad("txtEncaisse", "frmDifference");?>
 			</td>
 			<!-- Affichage du montant rendu -->
-			<td><input class="texte2_off" type="text" name="txtRendu" value="0" disabled="disabled" /></td>
+			<td><input class="texte2_off" type="text" name="txtRendu" value="0" disabled /></td>
 			</tr>
 			<tr>
 		</table>
diff --git a/htdocs/comm/action/index.php b/htdocs/comm/action/index.php
index 5413315a147..e5472727aa2 100644
--- a/htdocs/comm/action/index.php
+++ b/htdocs/comm/action/index.php
@@ -358,7 +358,7 @@ if (! empty($conf->use_javascript_ajax))
   	$s.='});' . "\n";
 	$s.='</script>' . "\n";
 
-	$s.='<div class="nowrap clear float"><input type="checkbox" id="check_mytasks" name="check_mytasks" checked disabled="disabled"> ' . $langs->trans("LocalAgenda").' &nbsp; </div>';
+	$s.='<div class="nowrap clear float"><input type="checkbox" id="check_mytasks" name="check_mytasks" checked disabled> ' . $langs->trans("LocalAgenda").' &nbsp; </div>';
 	if (is_array($showextcals) && count($showextcals) > 0)
 	{
 		$s.='<script type="text/javascript">' . "\n";
diff --git a/htdocs/comm/action/peruser.php b/htdocs/comm/action/peruser.php
index 1613e122858..1563174c3a2 100644
--- a/htdocs/comm/action/peruser.php
+++ b/htdocs/comm/action/peruser.php
@@ -300,7 +300,7 @@ if ($conf->use_javascript_ajax)
 	$s.='</script>' . "\n";
 	if (! empty($conf->use_javascript_ajax))
 	{
-		$s.='<div class="nowrap clear float"><input type="checkbox" id="check_mytasks" name="check_mytasks" checked disabled="disabled"> ' . $langs->trans("LocalAgenda").' &nbsp; </div>';
+		$s.='<div class="nowrap clear float"><input type="checkbox" id="check_mytasks" name="check_mytasks" checked disabled> ' . $langs->trans("LocalAgenda").' &nbsp; </div>';
 		if (is_array($showextcals) && count($showextcals) > 0)
 		{
 			foreach ($showextcals as $val)
diff --git a/htdocs/compta/bank/ligne.php b/htdocs/compta/bank/ligne.php
index e1d903fbf2e..4a4b4f6553b 100644
--- a/htdocs/compta/bank/ligne.php
+++ b/htdocs/compta/bank/ligne.php
@@ -501,7 +501,7 @@ if ($result)
         if ($user->rights->banque->modifier || $user->rights->banque->consolidate)
         {
             print '<td colspan="3">';
-            print '<input name="label" class="flat" '.($objp->rappro?' disabled="disabled"':'').' value="';
+            print '<input name="label" class="flat" '.($objp->rappro?' disabled':'').' value="';
             if (preg_match('/^\((.*)\)$/i',$objp->label,$reg))
             {
                 // Label generique car entre parentheses. On l'affiche en le traduisant
@@ -535,7 +535,7 @@ if ($result)
         if ($user->rights->banque->modifier)
         {
             print '<td colspan="3">';
-            print '<input name="amount" class="flat" size="10" '.($objp->rappro?' disabled="disabled"':'').' value="'.price($objp->amount).'"> '.$langs->trans("Currency".$conf->currency);
+            print '<input name="amount" class="flat" size="10" '.($objp->rappro?' disabled':'').' value="'.price($objp->amount).'"> '.$langs->trans("Currency".$conf->currency);
             print '</td>';
         }
         else
@@ -567,12 +567,12 @@ if ($result)
                 print '<td colspan="3">';
                 if ($objp->rappro)
                 {
-                    print $langs->trans("AccountStatement").' <input name="num_rel_bis" class="flat" value="'.$objp->num_releve.'"'.($objp->rappro?' disabled="disabled"':'').'>';
+                    print $langs->trans("AccountStatement").' <input name="num_rel_bis" class="flat" value="'.$objp->num_releve.'"'.($objp->rappro?' disabled':'').'>';
                     print '<input name="num_rel" type="hidden" value="'.$objp->num_releve.'">';
                 }
                 else
                 {
-                    print $langs->trans("AccountStatement").' <input name="num_rel" class="flat" value="'.$objp->num_releve.'"'.($objp->rappro?' disabled="disabled"':'').'>';
+                    print $langs->trans("AccountStatement").' <input name="num_rel" class="flat" value="'.$objp->num_releve.'"'.($objp->rappro?' disabled':'').'>';
                 }
                 if ($objp->num_releve) print ' &nbsp; (<a href="'.DOL_URL_ROOT.'/compta/bank/releve.php?num='.$objp->num_releve.'&account='.$acct->id.'">'.$langs->trans("AccountStatement").' '.$objp->num_releve.')</a>';
                 print '</td><td align="center" rowspan="2" width="20%"><input type="submit" class="button" value="'.$langs->trans("Update").'"></td>';
diff --git a/htdocs/compta/facture.php b/htdocs/compta/facture.php
index 525518c5c5d..1cb683123cc 100644
--- a/htdocs/compta/facture.php
+++ b/htdocs/compta/facture.php
@@ -2132,7 +2132,7 @@ if ($action == 'create')
 		$opt = $form->load_situation_invoices(GETPOST('originid'), $socid);
 		print '<tr height="18"><td valign="middle">';
 		print '<input type="radio" name="type" value="5"' . (GETPOST('type') == 5 && GETPOST('originid') ? ' checked' : '') . ' ';
-		if ($opt == '<option value ="0" selected="selected">' . $langs->trans('NoSituations') . '</option>' || (GETPOST('origin') && GETPOST('origin') != 'facture')) print 'disabled="disabled"';
+		if ($opt == '<option value ="0" selected="selected">' . $langs->trans('NoSituations') . '</option>' || (GETPOST('origin') && GETPOST('origin') != 'facture')) print 'disabled';
 		print '>';
 		print '</td><td valign="middle">';
 		$text = $langs->trans("InvoiceSituationAsk") . ' ';
@@ -2148,7 +2148,7 @@ if ($action == 'create')
 		print '<tr height="18"><td valign="middle">';
 		print '<input type="radio" name="type" id="radio_replacement" value="1"' . (GETPOST('type') == 1 ? ' checked' : '');
 		if (! $options)
-			print ' disabled="disabled"';
+			print ' disabled';
 		print '>';
 		print '</td><td valign="middle">';
 		print '<script type="text/javascript" language="javascript">
@@ -2161,7 +2161,7 @@ if ($action == 'create')
 		$text = $langs->trans("InvoiceReplacementAsk") . ' ';
 		$text .= '<select class="flat" name="fac_replacement" id="fac_replacement"';
 		if (! $options)
-			$text .= ' disabled="disabled"';
+			$text .= ' disabled';
 		$text .= '>';
 		if ($options) {
 			$text .= '<option value="-1">&nbsp;</option>';
@@ -2177,7 +2177,7 @@ if ($action == 'create')
 	else
 	{
 		print '<tr height="18"><td valign="middle">';
-		print '<input type="radio" name="type" id="radio_replacement" value="0" disabled="disabled">';
+		print '<input type="radio" name="type" id="radio_replacement" value="0" disabled>';
 		print '</td><td valign="middle">';
 		$text = $langs->trans("InvoiceReplacement") . ' ';
 		$text.= '('.$langs->trans("YouMustCreateInvoiceFromThird").') ';
@@ -2194,7 +2194,7 @@ if ($action == 'create')
 			print '<tr height="18"><td valign="top">';
 			print '<input type="radio" id="radio_creditnote" name="type" value="2"' . (GETPOST('type') == 2 ? ' checked' : '');
 			if (! $optionsav)
-				print ' disabled="disabled"';
+				print ' disabled';
 			print '>';
 			print '</td><td valign="top">';
 			// Show credit note options only if we checked credit note
@@ -2216,7 +2216,7 @@ if ($action == 'create')
 			// $text.='<input type="text" value="">';
 			$text .= '<select class="flat" name="fac_avoir" id="fac_avoir"';
 			if (! $optionsav)
-				$text .= ' disabled="disabled"';
+				$text .= ' disabled';
 			$text .= '>';
 			if ($optionsav) {
 				$text .= '<option value="-1"></option>';
@@ -2238,7 +2238,7 @@ if ($action == 'create')
 		else
 		{
 			print '<tr height="18"><td valign="middle">';
-			print '<input type="radio" name="type" id="radio_creditnote" value="0" disabled="disabled">';
+			print '<input type="radio" name="type" id="radio_creditnote" value="0" disabled>';
 			print '</td><td valign="middle">';
 			$text = $langs->trans("InvoiceAvoir") . ' ';
 			$text.= '('.$langs->trans("YouMustCreateInvoiceFromThird").') ';
diff --git a/htdocs/compta/facture/fiche-rec.php b/htdocs/compta/facture/fiche-rec.php
index 6a3bc3ab72d..6c82dcd4d8a 100644
--- a/htdocs/compta/facture/fiche-rec.php
+++ b/htdocs/compta/facture/fiche-rec.php
@@ -367,7 +367,7 @@ if ($action == 'create')
 			print '<tr><td colspan="3" align="left">';
 			print '<select name="usenewprice" class="flat">';
 			print '<option value="0">'.$langs->trans("AlwaysUseFixedPrice").'</option>';
-			print '<option value="1" disabled="disabled">'.$langs->trans("AlwaysUseNewPrice").'</option>';
+			print '<option value="1" disabled>'.$langs->trans("AlwaysUseNewPrice").'</option>';
 			print '</select>';
 			print '</td></tr>';
 		}
diff --git a/htdocs/compta/paiement.php b/htdocs/compta/paiement.php
index 99020fbd292..58865c38540 100644
--- a/htdocs/compta/paiement.php
+++ b/htdocs/compta/paiement.php
@@ -571,7 +571,7 @@ if ($action == 'create' || $action == 'confirm_paiement' || $action == 'add_paie
                     }
                     else
                     {
-                        print '<input type="text" size="8" name="'.$namef.'_disabled" value="'.$_POST[$namef].'" disabled="disabled">';
+                        print '<input type="text" size="8" name="'.$namef.'_disabled" value="'.$_POST[$namef].'" disabled>';
                         print '<input type="hidden" name="'.$namef.'" value="'.$_POST[$namef].'">';
                     }
                     print "</td>";
diff --git a/htdocs/core/class/doleditor.class.php b/htdocs/core/class/doleditor.class.php
index f95924929bb..db303ee7d1b 100644
--- a/htdocs/core/class/doleditor.class.php
+++ b/htdocs/core/class/doleditor.class.php
@@ -159,7 +159,7 @@ class DolEditor
         if (in_array($this->tool,array('textarea','ckeditor')))
         {
             $found=1;
-            //$out.= '<textarea id="'.$this->htmlname.'" name="'.$this->htmlname.'" rows="'.$this->rows.'" cols="'.$this->cols.'"'.($this->readonly?' disabled="disabled"':'').' class="flat">';
+            //$out.= '<textarea id="'.$this->htmlname.'" name="'.$this->htmlname.'" rows="'.$this->rows.'" cols="'.$this->cols.'"'.($this->readonly?' disabled':'').' class="flat">';
             $out.= '<textarea id="'.$this->htmlname.'" name="'.$this->htmlname.'" rows="'.$this->rows.'"'.(preg_match('/%/',$this->cols)?' style="margin-top: 2px; width: '.$this->cols.'"':' cols="'.$this->cols.'"').' class="flat">';
             $out.= $this->content;
             $out.= '</textarea>';
diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index e23eafc4cf4..765274c6a8d 100644
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -1124,7 +1124,7 @@ class ExtraFields
 			if (!empty($value)) {
 				$checked=' checked ';
 			}
-			$value='<input type="checkbox" '.$checked.' '.($moreparam?$moreparam:'').' readonly="readonly" disabled="disabled">';
+			$value='<input type="checkbox" '.$checked.' '.($moreparam?$moreparam:'').' readonly="readonly" disabled>';
 		}
 		elseif ($type == 'mail')
 		{
diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 77890fb1baf..3a25023592b 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -534,7 +534,7 @@ class Form
 					if (empty($row['favorite']) && $atleastonefavorite)
 					{
 						$atleastonefavorite=0;
-						$out.= '<option value="" disabled="disabled">----------------------</option>';
+						$out.= '<option value="" disabled>----------------------</option>';
 					}
                     if ($selected && $selected != '-1' && ($selected == $row['rowid'] || $selected == $row['code_iso'] || $selected == $row['code_iso3'] || $selected == $row['label']) )
                     {
@@ -1048,7 +1048,7 @@ class Form
                     if ($maxvalue > 0 && $obj->amount_ttc > $maxvalue)
                     {
                         $qualifiedlines--;
-                        $disabled=' disabled="disabled"';
+                        $disabled=' disabled';
                     }
 
                     print '<option value="'.$obj->rowid.'"'.$selectstring.$disabled.'>'.$desc.' ('.price($obj->amount_ht).' '.$langs->trans("HT").' - '.price($obj->amount_ttc).' '.$langs->trans("TTC").')</option>';
@@ -1163,7 +1163,7 @@ class Form
                         if ($selected && $selected == $obj->rowid)
                         {
                             $out.= '<option value="'.$obj->rowid.'"';
-                            if ($disabled) $out.= ' disabled="disabled"';
+                            if ($disabled) $out.= ' disabled';
                             $out.= ' selected="selected">';
                             $out.= $contactstatic->getFullName($langs);
                             if ($showfunction && $obj->poste) $out.= ' ('.$obj->poste.')';
@@ -1173,7 +1173,7 @@ class Form
                         else
                         {
                             $out.= '<option value="'.$obj->rowid.'"';
-                            if ($disabled) $out.= ' disabled="disabled"';
+                            if ($disabled) $out.= ' disabled';
                             $out.= '>';
                             $out.= $contactstatic->getFullName($langs);
                             if ($showfunction && $obj->poste) $out.= ' ('.$obj->poste.')';
@@ -1196,7 +1196,7 @@ class Form
             }
             else
 			{
-            	$out.= '<option value="-1"'.($showempty==2?'':' selected="selected"').' disabled="disabled">'.$langs->trans($socid?"NoContactDefinedForThirdParty":"NoContactDefined").'</option>';
+            	$out.= '<option value="-1"'.($showempty==2?'':' selected="selected"').' disabled>'.$langs->trans($socid?"NoContactDefinedForThirdParty":"NoContactDefined").'</option>';
             }
             if ($htmlname != 'none' || $options_only)
             {
@@ -1332,7 +1332,7 @@ class Form
 		            $nodatarole=($comboenhancement?' data-role="none"':'');
 		        }
 
-                $out.= '<select class="flat minwidth200" id="'.$htmlname.'" name="'.$htmlname.'"'.($disabled?' disabled="disabled"':'').$nodatarole.'>';
+                $out.= '<select class="flat minwidth200" id="'.$htmlname.'" name="'.$htmlname.'"'.($disabled?' disabled':'').$nodatarole.'>';
                 if ($show_empty) $out.= '<option value="-1"'.((empty($selected) || $selected==-1)?' selected="selected"':'').'>&nbsp;</option>'."\n";
 				if ($show_every) $out.= '<option value="-2"'.(($selected==-2)?' selected="selected"':'').'>-- '.$langs->trans("Everybody").' --</option>'."\n";
 
@@ -1352,13 +1352,13 @@ class Form
                     if ((is_object($selected) && $selected->id == $obj->rowid) || (! is_object($selected) && $selected == $obj->rowid))
                     {
                         $out.= '<option value="'.$obj->rowid.'"';
-                        if ($disableline) $out.= ' disabled="disabled"';
+                        if ($disableline) $out.= ' disabled';
                         $out.= ' selected="selected">';
                     }
                     else
                     {
                         $out.= '<option value="'.$obj->rowid.'"';
-                        if ($disableline) $out.= ' disabled="disabled"';
+                        if ($disableline) $out.= ' disabled';
                         $out.= '>';
                     }
 
@@ -1404,7 +1404,7 @@ class Form
             }
             else
             {
-                $out.= '<select class="flat" id="'.$htmlname.'" name="'.$htmlname.'" disabled="disabled">';
+                $out.= '<select class="flat" id="'.$htmlname.'" name="'.$htmlname.'" disabled>';
                 $out.= '<option value="">'.$langs->trans("None").'</option>';
             }
             $out.= '</select>';
@@ -2049,7 +2049,7 @@ class Form
 
                 $opt = '<option value="'.$objp->idprodfournprice.'"';
                 if ($selected && $selected == $objp->idprodfournprice) $opt.= ' selected="selected"';
-                if (empty($objp->idprodfournprice)) $opt.=' disabled="disabled"';
+                if (empty($objp->idprodfournprice)) $opt.=' disabled';
                 $opt.= '>';
 
                 $objRef = $objp->ref;
@@ -2987,7 +2987,7 @@ class Form
 		$outarray=array();
         if (is_array($cate_arbo))
         {
-            if (! count($cate_arbo)) $output.= '<option value="-1" disabled="disabled">'.$langs->trans("NoCategoriesDefined").'</option>';
+            if (! count($cate_arbo)) $output.= '<option value="-1" disabled>'.$langs->trans("NoCategoriesDefined").'</option>';
             else
             {
                 $output.= '<option value="-1">&nbsp;</option>';
@@ -3114,7 +3114,7 @@ class Form
                         $more.='<input type="checkbox" class="flat" id="'.$input['name'].'" name="'.$input['name'].'"';
                         if (! is_bool($input['value']) && $input['value'] != 'false') $more.=' checked';
                         if (is_bool($input['value']) && $input['value']) $more.=' checked';
-                        if (isset($input['disabled'])) $more.=' disabled="disabled"';
+                        if (isset($input['disabled'])) $more.=' disabled';
                         $more.=' /></td>';
                         $more.='<td valign="top" align="left">&nbsp;</td>';
                         $more.='</tr>'."\n";
@@ -3128,7 +3128,7 @@ class Form
                             if ($i==0) $more.='<td valign="top">'.$input['label'].'</td>';
                             else $more.='<td>&nbsp;</td>';
                             $more.='<td valign="top" width="20"><input type="radio" class="flat" id="'.$input['name'].'" name="'.$input['name'].'" value="'.$selkey.'"';
-                            if ($input['disabled']) $more.=' disabled="disabled"';
+                            if ($input['disabled']) $more.=' disabled';
                             $more.=' /></td>';
                             $more.='<td valign="top" align="left">';
                             $more.=$selval;
@@ -3955,7 +3955,7 @@ class Form
         		$disabled=true;
         	}
 
-        	if (! $options_only) $return.= '<select class="flat" id="'.$htmlname.'" name="'.$htmlname.'"'.($disabled?' disabled="disabled"':'').$title.'>';
+        	if (! $options_only) $return.= '<select class="flat" id="'.$htmlname.'" name="'.$htmlname.'"'.($disabled?' disabled':'').$title.'>';
 
         	foreach ($this->cache_vatrates as $rate)
         	{
@@ -4086,7 +4086,7 @@ class Form
                 {
                     // Zone de saisie manuelle de la date
                     $retstring.='<input id="'.$prefix.'" name="'.$prefix.'" type="text" size="9" maxlength="11" value="'.$formated_date.'"';
-                    $retstring.=($disabled?' disabled="disabled"':'');
+                    $retstring.=($disabled?' disabled':'');
                     $retstring.=' onChange="dpChangeDay(\''.$prefix.'\',\''.$langs->trans("FormatDateShortJavaInput").'\'); "';  // FormatDateShortInput for dol_print_date / FormatDateShortJavaInput that is same for javascript
                     $retstring.='>';
 
@@ -4112,7 +4112,7 @@ class Form
             else
 			{
                 // Day
-                $retstring.='<select'.($disabled?' disabled="disabled"':'').' class="flat" name="'.$prefix.'day">';
+                $retstring.='<select'.($disabled?' disabled':'').' class="flat" name="'.$prefix.'day">';
 
                 if ($emptydate || $set_time == -1)
                 {
@@ -4126,7 +4126,7 @@ class Form
 
                 $retstring.="</select>";
 
-                $retstring.='<select'.($disabled?' disabled="disabled"':'').' class="flat" name="'.$prefix.'month">';
+                $retstring.='<select'.($disabled?' disabled':'').' class="flat" name="'.$prefix.'month">';
                 if ($emptydate || $set_time == -1)
                 {
                     $retstring.='<option value="0" selected="selected">&nbsp;</option>';
@@ -4144,11 +4144,11 @@ class Form
                 // Year
                 if ($emptydate || $set_time == -1)
                 {
-                    $retstring.='<input'.($disabled?' disabled="disabled"':'').' placeholder="'.dol_escape_htmltag($langs->trans("Year")).'" class="flat" type="text" size="3" maxlength="4" name="'.$prefix.'year" value="'.$syear.'">';
+                    $retstring.='<input'.($disabled?' disabled':'').' placeholder="'.dol_escape_htmltag($langs->trans("Year")).'" class="flat" type="text" size="3" maxlength="4" name="'.$prefix.'year" value="'.$syear.'">';
                 }
                 else
                 {
-                    $retstring.='<select'.($disabled?' disabled="disabled"':'').' class="flat" name="'.$prefix.'year">';
+                    $retstring.='<select'.($disabled?' disabled':'').' class="flat" name="'.$prefix.'year">';
 
                     for ($year = $syear - 5; $year < $syear + 10 ; $year++)
                     {
@@ -4164,7 +4164,7 @@ class Form
         if ($h)
         {
             // Show hour
-            $retstring.='<select'.($disabled?' disabled="disabled"':'').' class="flat '.($fullday?$fullday.'hour':'').'" name="'.$prefix.'hour">';
+            $retstring.='<select'.($disabled?' disabled':'').' class="flat '.($fullday?$fullday.'hour':'').'" name="'.$prefix.'hour">';
             if ($emptyhours) $retstring.='<option value="-1">&nbsp;</option>';
             for ($hour = 0; $hour < 24; $hour++)
             {
@@ -4178,7 +4178,7 @@ class Form
         if ($m)
         {
             // Show minutes
-            $retstring.='<select'.($disabled?' disabled="disabled"':'').' class="flat '.($fullday?$fullday.'min':'').'" name="'.$prefix.'min">';
+            $retstring.='<select'.($disabled?' disabled':'').' class="flat '.($fullday?$fullday.'min':'').'" name="'.$prefix.'min">';
             if ($emptyhours) $retstring.='<option value="-1">&nbsp;</option>';
             for ($min = 0; $min < 60 ; $min++)
             {
@@ -4264,7 +4264,7 @@ class Form
 
         if ($typehour=='select')
         {
-	        $retstring.='<select class="flat" name="'.$prefix.'hour"'.($disabled?' disabled="disabled"':'').'>';
+	        $retstring.='<select class="flat" name="'.$prefix.'hour"'.($disabled?' disabled':'').'>';
 	        for ($hour = 0; $hour < 25; $hour++)	// For a duration, we allow 24 hours
 	        {
 	            $retstring.='<option value="'.$hour.'"';
@@ -4278,7 +4278,7 @@ class Form
         }
         elseif ($typehour=='text')
         {
-        	$retstring.='<input type="text" size="2" name="'.$prefix.'hour"'.($disabled?' disabled="disabled"':'').' class="flat" value="'.($hourSelected?((int) $hourSelected):'').'">';
+        	$retstring.='<input type="text" size="2" name="'.$prefix.'hour"'.($disabled?' disabled':'').' class="flat" value="'.($hourSelected?((int) $hourSelected):'').'">';
         }
         else return 'BadValueForParameterTypeHour';
 
@@ -4289,7 +4289,7 @@ class Form
 
         if ($typehour=='select')
         {
-	        $retstring.='<select class="flat" name="'.$prefix.'min"'.($disabled?' disabled="disabled"':'').'>';
+	        $retstring.='<select class="flat" name="'.$prefix.'min"'.($disabled?' disabled':'').'>';
 	        for ($min = 0; $min <= 55; $min=$min+5)
 	        {
 	            $retstring.='<option value="'.$min.'"';
@@ -4300,7 +4300,7 @@ class Form
         }
         elseif ($typehour=='text')
         {
-        	$retstring.='<input type="text" size="2" name="'.$prefix.'min"'.($disabled?' disabled="disabled"':'').' class="flat" value="'.($minSelected?((int) $minSelected):'').'">';
+        	$retstring.='<input type="text" size="2" name="'.$prefix.'min"'.($disabled?' disabled':'').' class="flat" value="'.($minSelected?((int) $minSelected):'').'">';
         }
         $retstring.=' '.$langs->trans('MinuteShort');
         $retstring.="&nbsp;";
@@ -4355,7 +4355,7 @@ class Form
         		   </script>';
         }
 
-        $out.='<select id="'.$htmlname.'" '.($disabled?'disabled="disabled" ':'').'class="flat'.($morecss?' '.$morecss:'').'" name="'.$htmlname.'" '.($moreparam?$moreparam:'').'>';
+        $out.='<select id="'.$htmlname.'" '.($disabled?'disabled ':'').'class="flat'.($morecss?' '.$morecss:'').'" name="'.$htmlname.'" '.($moreparam?$moreparam:'').'>';
 
         if ($show_empty)
         {
@@ -4411,7 +4411,7 @@ class Form
      *	@param  string	$morecss        Add more css style
      *	@param  int		$translate		Translate and encode value
      *  @param	int		$width			Force width of select box. May be used only when using jquery couch. Example: 250, 95%
-     *  @param	string	$moreattrib		Add more options on select component. Example: 'disabled="disabled"'
+     *  @param	string	$moreattrib		Add more options on select component. Example: 'disabled'
      *  @param	string	$elemtype		Type of element we show ('category', ...)
      *	@return	string					HTML multiselect string
      *  @see selectarray
@@ -4529,7 +4529,7 @@ class Form
 				$arrayselected[] = $c->id;
 			}
 
-			return $this->multiselectarray('categories', $cate_arbo, $arrayselected, '', 0, '', 0, '100%', 'disabled="disabled"', 'category');
+			return $this->multiselectarray('categories', $cate_arbo, $arrayselected, '', 0, '', 0, '100%', 'disabled', 'category');
 		}
 
 		return 'ErrorBadValueForParameterRenderMode';	// Should not happened
@@ -4557,7 +4557,7 @@ class Form
             $no="0";
         }
 
-        $disabled = ($disabled ? ' disabled="disabled"' : '');
+        $disabled = ($disabled ? ' disabled' : '');
 
         $resultyesno = '<select class="flat" id="'.$htmlname.'" name="'.$htmlname.'"'.$disabled.'>'."\n";
         if ($useempty) $resultyesno .= '<option value="-1"'.(($value < 0)?' selected="selected"':'').'></option>'."\n";
@@ -4851,7 +4851,7 @@ class Form
                 $nodatarole=($comboenhancement?' data-role="none"':'');
             }
 
-            $out.= '<select class="flat minwidth200" id="'.$htmlname.'" name="'.$htmlname.'"'.($disabled?' disabled="disabled"':'').$nodatarole.'>';
+            $out.= '<select class="flat minwidth200" id="'.$htmlname.'" name="'.$htmlname.'"'.($disabled?' disabled':'').$nodatarole.'>';
 
         	$num = $this->db->num_rows($resql);
             $i = 0;
@@ -4866,7 +4866,7 @@ class Form
                     if (is_array($enableonly) && count($enableonly) && ! in_array($obj->rowid,$enableonly)) $disableline=1;
 
                     $out.= '<option value="'.$obj->rowid.'"';
-                    if ($disableline) $out.= ' disabled="disabled"';
+                    if ($disableline) $out.= ' disabled';
                     if ((is_object($selected) && $selected->id == $obj->rowid) || (! is_object($selected) && $selected == $obj->rowid))
                     {
                         $out.= ' selected="selected"';
@@ -4886,7 +4886,7 @@ class Form
             else
             {
                 if ($show_empty) $out.= '<option value="-1"'.($selected==-1?' selected="selected"':'').'></option>'."\n";
-                $out.= '<option value="" disabled="disabled">'.$langs->trans("NoUserGroupDefined").'</option>';
+                $out.= '<option value="" disabled>'.$langs->trans("NoUserGroupDefined").'</option>';
             }
             $out.= '</select>';
         }
diff --git a/htdocs/core/class/html.formactions.class.php b/htdocs/core/class/html.formactions.class.php
index 3c16facdd4a..8dda6772510 100644
--- a/htdocs/core/class/html.formactions.class.php
+++ b/htdocs/core/class/html.formactions.class.php
@@ -120,7 +120,7 @@ class FormActions
         {
         	//var_dump($selected);
         	if ($selected == 'done') $selected='100';
-            print '<select '.($canedit?'':'disabled="disabled" ').'name="'.$htmlname.'" id="select'.$htmlname.'" class="flat">';
+            print '<select '.($canedit?'':'disabled ').'name="'.$htmlname.'" id="select'.$htmlname.'" class="flat">';
             if ($showempty) print '<option value=""'.($selected == ''?' selected="selected"':'').'></option>';
             foreach($listofstatus as $key => $val)
             {
@@ -135,13 +135,13 @@ class FormActions
 
             if (empty($onlyselect))
             {
-	            print ' <input type="text" id="val'.$htmlname.'" name="percentage" class="flat hideifna" value="'.($selected>=0?$selected:'').'" size="2"'.($canedit&&($selected>=0)?'':' disabled="disabled"').'>';
+	            print ' <input type="text" id="val'.$htmlname.'" name="percentage" class="flat hideifna" value="'.($selected>=0?$selected:'').'" size="2"'.($canedit&&($selected>=0)?'':' disabled').'>';
     	        print '<span class="hideifna">%</span>';
             }
         }
         else
 		{
-            print ' <input type="text" id="val'.$htmlname.'" name="percentage" class="flat" value="'.($selected>=0?$selected:'').'" size="2"'.($canedit?'':' disabled="disabled"').'>%';
+            print ' <input type="text" id="val'.$htmlname.'" name="percentage" class="flat" value="'.($selected>=0?$selected:'').'" size="2"'.($canedit?'':' disabled').'>%';
         }
     }
 
diff --git a/htdocs/core/class/html.formadmin.class.php b/htdocs/core/class/html.formadmin.class.php
index 30ecadedb55..06c03a82d68 100644
--- a/htdocs/core/class/html.formadmin.class.php
+++ b/htdocs/core/class/html.formadmin.class.php
@@ -64,7 +64,7 @@ class FormAdmin
 
 		$out='';
 
-		$out.= '<select class="flat" id="'.$htmlname.'" name="'.$htmlname.'"'.($disabled?' disabled="disabled"':'').'>';
+		$out.= '<select class="flat" id="'.$htmlname.'" name="'.$htmlname.'"'.($disabled?' disabled':'').'>';
 		if ($showempty)
 		{
 			$out.= '<option value=""';
@@ -184,7 +184,7 @@ class FormAdmin
 			if ($newprefix != $oldprefix)	// Add separators
 			{
 				// Affiche titre
-				print '<option value="-1" disabled="disabled">';
+				print '<option value="-1" disabled>';
 				if ($newprefix=='0') print '-- '.$langs->trans("VersionRecommanded").' --';
                 if ($newprefix=='1') print '-- '.$langs->trans("VersionExperimental").' --';
 				if ($newprefix=='2') print '-- '.$langs->trans("VersionDevelopment").' --';
diff --git a/htdocs/core/class/html.formbarcode.class.php b/htdocs/core/class/html.formbarcode.class.php
index 11a59614be0..3db273b8496 100644
--- a/htdocs/core/class/html.formbarcode.class.php
+++ b/htdocs/core/class/html.formbarcode.class.php
@@ -77,7 +77,7 @@ class FormBarCode
         if (((! empty($conf->product->enabled) || ! empty($conf->service->enabled)) && $conf->global->PRODUIT_DEFAULT_BARCODE_TYPE == $code_id) ||
         (! empty($conf->societe->enabled) && $conf->global->GENBARCODE_BARCODETYPE_THIRDPARTY == $code_id))
         {
-            $disable = 'disabled="disabled"';
+            $disable = 'disabled';
         }
 
         $select_encoder = '<form action="'.DOL_URL_ROOT.'/admin/barcode.php" method="post" id="form'.$idForm.'">';
@@ -86,7 +86,7 @@ class FormBarCode
         $select_encoder.= '<input type="hidden" name="code_id" value="'.$code_id.'">';
         $select_encoder.= '<select id="select'.$idForm.'" class="flat" name="coder">';
         $select_encoder.= '<option value="0"'.($selected==0?' selected="selected"':'').' '.$disable.'>'.$langs->trans('Disable').'</option>';
-        $select_encoder.= '<option value="-1" disabled="disabled">--------------------</option>';
+        $select_encoder.= '<option value="-1" disabled>--------------------</option>';
         foreach($barcodelist as $key => $value)
         {
             $select_encoder.= '<option value="'.$key.'"'.($selected==$key?' selected="selected"':'').'>'.$value.'</option>';
@@ -128,7 +128,7 @@ class FormBarCode
             else
             {
                 $langs->load("errors");
-                print '<select disabled="disabled" class="flat" name="'.$htmlname.'" id="select_'.$htmlname.'">';
+                print '<select disabled class="flat" name="'.$htmlname.'" id="select_'.$htmlname.'">';
                 print '<option value="0" selected="selected">'.$langs->trans('ErrorNoActivatedBarcode').'</option>';
             }
 
diff --git a/htdocs/core/class/html.formcompany.class.php b/htdocs/core/class/html.formcompany.class.php
index bc63d9c51ac..e5e58d5316d 100644
--- a/htdocs/core/class/html.formcompany.class.php
+++ b/htdocs/core/class/html.formcompany.class.php
@@ -255,7 +255,7 @@ class FormCompany
 							// Affiche la rupture si on est en mode liste multipays
 							if (! $country_codeid && $obj->country_code)
 							{
-								$out.= '<option value="-1" disabled="disabled">----- '.$obj->country." -----</option>\n";
+								$out.= '<option value="-1" disabled>----- '.$obj->country." -----</option>\n";
 								$country=$obj->country;
 							}
 						}
@@ -330,7 +330,7 @@ class FormCompany
 							// Show break
 							$key=$langs->trans("Country".strtoupper($obj->country_code));
 							$valuetoshow=($key != "Country".strtoupper($obj->country_code))?$obj->country_code." - ".$key:$obj->country;
-							print '<option value="-1" disabled="disabled">----- '.$valuetoshow." -----</option>\n";
+							print '<option value="-1" disabled>----- '.$valuetoshow." -----</option>\n";
 							$country=$obj->country;
 						}
 
@@ -647,14 +647,14 @@ class FormCompany
 						if ($selected > 0 && $selected == $obj->rowid)
 						{
 							print '<option value="'.$obj->rowid.'"';
-							if ($disabled) print ' disabled="disabled"';
+							if ($disabled) print ' disabled';
 							print ' selected="selected">'.dol_trunc($obj->name,24).'</option>';
 							$firstCompany = $obj->rowid;
 						}
 						else
 						{
 							print '<option value="'.$obj->rowid.'"';
-							if ($disabled) print ' disabled="disabled"';
+							if ($disabled) print ' disabled';
 							print '>'.dol_trunc($obj->name,24).'</option>';
 						}
 						$i ++;
diff --git a/htdocs/core/class/html.formcontract.class.php b/htdocs/core/class/html.formcontract.class.php
index 0eb2d4d4b26..01c6a5bc640 100644
--- a/htdocs/core/class/html.formcontract.class.php
+++ b/htdocs/core/class/html.formcontract.class.php
@@ -115,7 +115,7 @@ class FormContract
 							else
 							{
 								$resultat='<option value="'.$obj->rowid.'"';
-								if ($disabled) $resultat.=' disabled="disabled"';
+								if ($disabled) $resultat.=' disabled';
 								//if ($obj->public) $labeltoshow.=' ('.$langs->trans("Public").')';
 								//else $labeltoshow.=' ('.$langs->trans("Private").')';
 								$resultat.='>'.$labeltoshow;
diff --git a/htdocs/core/class/html.formfile.class.php b/htdocs/core/class/html.formfile.class.php
index a1c04d2cb29..0b00dc265f4 100644
--- a/htdocs/core/class/html.formfile.class.php
+++ b/htdocs/core/class/html.formfile.class.php
@@ -115,11 +115,11 @@ class FormFile
                 $out .= '<input type="hidden" name="max_file_size" value="'.($max*1024).'">';
             }
             $out .= '<input class="flat" type="file" name="userfile" size="'.$maxlength.'"';
-            $out .= (empty($conf->global->MAIN_UPLOAD_DOC) || empty($perm)?' disabled="disabled"':'');
+            $out .= (empty($conf->global->MAIN_UPLOAD_DOC) || empty($perm)?' disabled':'');
             $out .= '>';
             $out .= ' &nbsp; ';
             $out .= '<input type="submit" class="button" name="sendit" value="'.$langs->trans("Upload").'"';
-            $out .= (empty($conf->global->MAIN_UPLOAD_DOC) || empty($perm)?' disabled="disabled"':'');
+            $out .= (empty($conf->global->MAIN_UPLOAD_DOC) || empty($perm)?' disabled':'');
             $out .= '>';
 
             if ($addcancel)
@@ -183,7 +183,7 @@ class FormFile
 	            $out .= '<input type="hidden" name="objecttype" value="' . $object->element . '">';
 	            $out .= '<input type="hidden" name="objectid" value="' . $object->id . '">';
 	            $out .= '<input type="submit" class="button" name="linkit" value="'.$langs->trans("ToLink").'"';
-	            $out .= (empty($conf->global->MAIN_UPLOAD_DOC) || empty($perm)?' disabled="disabled"':'');
+	            $out .= (empty($conf->global->MAIN_UPLOAD_DOC) || empty($perm)?' disabled':'');
 	            $out .= '>';
 	            $out .= '</td></tr>';
 	            $out .= '</table>';
@@ -527,7 +527,7 @@ class FormFile
             $out.= '<th align="center" colspan="'.($addcolumforpicto?'2':'1').'" class="formdocbutton liste_titre maxwidthonsmartphone">';
             $genbutton = '<input class="button" id="'.$forname.'_generatebutton" name="'.$forname.'_generatebutton"';
             $genbutton.= ' type="submit" value="'.$buttonlabel.'"';
-            if (! $allowgenifempty && ! is_array($modellist) && empty($modellist)) $genbutton.= ' disabled="disabled"';
+            if (! $allowgenifempty && ! is_array($modellist) && empty($modellist)) $genbutton.= ' disabled';
             $genbutton.= '>';
             if ($allowgenifempty && ! is_array($modellist) && empty($modellist) && empty($conf->dol_no_mouse_hover) && $modulepart != 'unpaid')
             {
diff --git a/htdocs/core/class/html.formintervention.class.php b/htdocs/core/class/html.formintervention.class.php
index 2caeb30a6dc..43bc3c96eb0 100644
--- a/htdocs/core/class/html.formintervention.class.php
+++ b/htdocs/core/class/html.formintervention.class.php
@@ -116,7 +116,7 @@ class FormIntervention
 							else
 							{
 								$resultat='<option value="'.$obj->rowid.'"';
-								if ($disabled) $resultat.=' disabled="disabled"';
+								if ($disabled) $resultat.=' disabled';
 								$resultat.='>'.$labeltoshow;
 								$resultat.='</option>';
 							}
diff --git a/htdocs/core/class/html.formother.class.php b/htdocs/core/class/html.formother.class.php
index 9266b8aa3a6..3e36e374da6 100644
--- a/htdocs/core/class/html.formother.class.php
+++ b/htdocs/core/class/html.formother.class.php
@@ -278,7 +278,7 @@ class FormOther
      */
     function select_percent($selected=0,$htmlname='percent',$disabled=0,$increment=5,$start=0,$end=100)
     {
-        $return = '<select class="flat" name="'.$htmlname.'" '.($disabled?'disabled="disabled"':'').'>';
+        $return = '<select class="flat" name="'.$htmlname.'" '.($disabled?'disabled':'').'>';
 
         for ($i = $start ; $i <= $end ; $i += $increment)
         {
@@ -519,7 +519,7 @@ class FormOther
                 {
                     if ($lines[$i]->fk_project != $lastprojectid)	// Break found on project
                     {
-                        if ($i > 0) print '<option value="0" disabled="disabled">----------</option>';
+                        if ($i > 0) print '<option value="0" disabled>----------</option>';
                         print '<option value="'.$lines[$i]->fk_project.'_0"';
                         if ($selectedproject == $lines[$i]->fk_project) print ' selected="selected"';
                         print '>';	// Project -> Task
@@ -555,7 +555,7 @@ class FormOther
 
                     print '<option value="'.$lines[$i]->fk_project.'_'.$lines[$i]->id.'"';
                     if (($lines[$i]->id == $selectedtask) || ($lines[$i]->fk_project.'_'.$lines[$i]->id == $selectedtask)) print ' selected="selected"';
-                    if ($disabled) print ' disabled="disabled"';
+                    if ($disabled) print ' disabled';
                     print '>';
                     print $langs->trans("Project").' '.$lines[$i]->projectref;
                     if (empty($lines[$i]->public))
diff --git a/htdocs/core/class/html.formprojet.class.php b/htdocs/core/class/html.formprojet.class.php
index 85c9ffbb241..0cc8f94ff5a 100644
--- a/htdocs/core/class/html.formprojet.class.php
+++ b/htdocs/core/class/html.formprojet.class.php
@@ -160,7 +160,7 @@ class FormProjets
 							else
 							{
 								$resultat='<option value="'.$obj->rowid.'"';
-								if ($disabled) $resultat.=' disabled="disabled"';
+								if ($disabled) $resultat.=' disabled';
 								//if ($obj->public) $labeltoshow.=' ('.$langs->trans("Public").')';
 								//else $labeltoshow.=' ('.$langs->trans("Private").')';
 								$resultat.='>';
@@ -258,7 +258,7 @@ class FormProjets
 			/*else
 			{
 				$sellist = '<select class="flat" name="elementselect">';
-				$sellist.= '<option value="0" disabled="disabled">'.$langs->trans("None").'</option>';
+				$sellist.= '<option value="0" disabled>'.$langs->trans("None").'</option>';
 				$sellist.= '</select>';
 			}*/
 			$this->db->free($resql);
diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index aca2ec3213b..adc5b916f63 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -3684,8 +3684,8 @@ function yn($yesno, $case=1, $color=0)
 	{
 		$result=$langs->trans('yes');
 		if ($case == 1 || $case == 3) $result=$langs->trans("Yes");
-		if ($case == 2) $result='<input type="checkbox" value="1" checked disabled="disabled">';
-		if ($case == 3) $result='<input type="checkbox" value="1" checked disabled="disabled"> '.$result;
+		if ($case == 2) $result='<input type="checkbox" value="1" checked disabled>';
+		if ($case == 3) $result='<input type="checkbox" value="1" checked disabled> '.$result;
 
 		$classname='ok';
 	}
@@ -3693,8 +3693,8 @@ function yn($yesno, $case=1, $color=0)
 	{
 		$result=$langs->trans("no");
 		if ($case == 1 || $case == 3) $result=$langs->trans("No");
-		if ($case == 2) $result='<input type="checkbox" value="0" disabled="disabled">';
-		if ($case == 3) $result='<input type="checkbox" value="0" disabled="disabled"> '.$result;
+		if ($case == 2) $result='<input type="checkbox" value="0" disabled>';
+		if ($case == 3) $result='<input type="checkbox" value="0" disabled> '.$result;
 
 		if ($color == 2) $classname='ok';
 		else $classname='error';
diff --git a/htdocs/core/lib/project.lib.php b/htdocs/core/lib/project.lib.php
index af37283d074..ee024c60c2a 100644
--- a/htdocs/core/lib/project.lib.php
+++ b/htdocs/core/lib/project.lib.php
@@ -629,11 +629,11 @@ function projectLinesPerDay(&$inc, $parent, $lines, &$level, &$projectsrole, &$t
 		        if ($dayWorkLoad > 0) $alreadyspent=convertSecondToTime($dayWorkLoad,'allhourmin');
 
 				$tableCell='';
-				$tableCell.='<span class="timesheetalreadyrecorded"><input type="text" class="center" size="2" disabled="disabled" id="timespent['.$inc.']['.$idw.']" name="task['.$lines[$i]->id.']['.$idw.']" value="'.$alreadyspent.'"></span>';
+				$tableCell.='<span class="timesheetalreadyrecorded"><input type="text" class="center" size="2" disabled id="timespent['.$inc.']['.$idw.']" name="task['.$lines[$i]->id.']['.$idw.']" value="'.$alreadyspent.'"></span>';
                 $tableCell.=' + ';
 				//$tableCell.='&nbsp;&nbsp;&nbsp;';
 				$tableCell.=$form->select_duration($lines[$i]->id.'duration','',$disabledtask,'text',0,1);
-				//$tableCell.='&nbsp;<input type="submit" class="button"'.($disabledtask?' disabled="disabled"':'').' value="'.$langs->trans("Add").'">';
+				//$tableCell.='&nbsp;<input type="submit" class="button"'.($disabledtask?' disabled':'').' value="'.$langs->trans("Add").'">';
 				print $tableCell;
 				print '</td>';
 
@@ -795,13 +795,13 @@ function projectLinesPerWeek(&$inc, $firstdaytoshow, $fuser, $parent, $lines, &$
 		        	$alreadyspent='';
 		        	if ($dayWorkLoad > 0) $alreadyspent=convertSecondToTime($dayWorkLoad,'allhourmin');
                     $tableCell ='<td align="center">';
-                    $tableCell.='<span class="timesheetalreadyrecorded"><input type="text" class="center" size="2" disabled="disabled" id="timespent['.$inc.']['.$idw.']" name="task['.$lines[$i]->id.']['.$idw.']" value="'.$alreadyspent.'"></span>';
+                    $tableCell.='<span class="timesheetalreadyrecorded"><input type="text" class="center" size="2" disabled id="timespent['.$inc.']['.$idw.']" name="task['.$lines[$i]->id.']['.$idw.']" value="'.$alreadyspent.'"></span>';
                     //$placeholder=' placeholder="00:00"';
                     $placeholder='';
                     //if (! $disabledtask)
                     //{
                     	$tableCell.='+';
-                    	$tableCell.='<input type="text" alt="'.$langs->trans("AddHereTimeSpentForDay",$tmparray['day'],$tmparray['mon']).'" title="'.$langs->trans("AddHereTimeSpentForDay",$tmparray['day'],$tmparray['mon']).'" '.($disabledtask?'disabled="disabled"':$placeholder).' class="center" size="2" id="timeadded['.$inc.']['.$idw.']" name="task['.$lines[$i]->id.']['.$idw.']" value="" cols="2"  maxlength="5"';
+                    	$tableCell.='<input type="text" alt="'.$langs->trans("AddHereTimeSpentForDay",$tmparray['day'],$tmparray['mon']).'" title="'.$langs->trans("AddHereTimeSpentForDay",$tmparray['day'],$tmparray['mon']).'" '.($disabledtask?'disabled':$placeholder).' class="center" size="2" id="timeadded['.$inc.']['.$idw.']" name="task['.$lines[$i]->id.']['.$idw.']" value="" cols="2"  maxlength="5"';
 		        		$tableCell.=' onkeypress="return regexEvent(this,event,\'timeChar\')"';
                     	$tableCell.= 'onblur="regexEvent(this,event,\''.$modeinput.'\'); updateTotal('.$idw.',\''.$modeinput.'\')" />';
                     //}
diff --git a/htdocs/core/modules/barcode/mod_barcode_product_standard.php b/htdocs/core/modules/barcode/mod_barcode_product_standard.php
index 0bd7a262a9c..703db258e26 100644
--- a/htdocs/core/modules/barcode/mod_barcode_product_standard.php
+++ b/htdocs/core/modules/barcode/mod_barcode_product_standard.php
@@ -72,7 +72,7 @@ class mod_barcode_product_standard extends ModeleNumRefBarCode
 
 		$langs->load("products");
 
-		$disabled = ((! empty($mc->sharings['referent']) && $mc->sharings['referent'] != $conf->entity) ? ' disabled="disabled"' : '');
+		$disabled = ((! empty($mc->sharings['referent']) && $mc->sharings['referent'] != $conf->entity) ? ' disabled' : '');
 
 		$texte = $langs->trans('GenericNumRefModelDesc')."<br>\n";
 		$texte.= '<form action="'.$_SERVER["PHP_SELF"].'" method="POST">';
diff --git a/htdocs/core/modules/mailings/framboise.modules.php b/htdocs/core/modules/mailings/framboise.modules.php
index e25ffad5f1b..a30a9ba3c17 100644
--- a/htdocs/core/modules/mailings/framboise.modules.php
+++ b/htdocs/core/modules/mailings/framboise.modules.php
@@ -198,7 +198,7 @@ class mailing_framboise extends MailingTargets
 			$num = $this->db->num_rows($resql);
 
 			$s.='<option value="0">&nbsp;</option>';
-			if (! $num) $s.='<option value="0" disabled="disabled">'.$langs->trans("NoCategoriesDefined").'</option>';
+			if (! $num) $s.='<option value="0" disabled>'.$langs->trans("NoCategoriesDefined").'</option>';
 
 			$i = 0;
 			while ($i < $num)
diff --git a/htdocs/core/modules/product/mod_codeproduct_elephant.php b/htdocs/core/modules/product/mod_codeproduct_elephant.php
index 5a041fd31ce..517cd0a7ce9 100644
--- a/htdocs/core/modules/product/mod_codeproduct_elephant.php
+++ b/htdocs/core/modules/product/mod_codeproduct_elephant.php
@@ -74,7 +74,7 @@ class mod_codeproduct_elephant extends ModeleProductCode
 
 		$langs->load("products");
 
-		$disabled = ((! empty($mc->sharings['referent']) && $mc->sharings['referent'] != $conf->entity) ? ' disabled="disabled"' : '');
+		$disabled = ((! empty($mc->sharings['referent']) && $mc->sharings['referent'] != $conf->entity) ? ' disabled' : '');
 
 		$texte = $langs->trans('GenericNumRefModelDesc')."<br>\n";
 		$texte.= '<form action="'.$_SERVER["PHP_SELF"].'" method="POST">';
diff --git a/htdocs/core/modules/societe/mod_codeclient_elephant.php b/htdocs/core/modules/societe/mod_codeclient_elephant.php
index c24070c2e23..589bf1547c1 100644
--- a/htdocs/core/modules/societe/mod_codeclient_elephant.php
+++ b/htdocs/core/modules/societe/mod_codeclient_elephant.php
@@ -74,7 +74,7 @@ class mod_codeclient_elephant extends ModeleThirdPartyCode
 
 		$langs->load("companies");
 
-		$disabled = ((! empty($mc->sharings['referent']) && $mc->sharings['referent'] != $conf->entity) ? ' disabled="disabled"' : '');
+		$disabled = ((! empty($mc->sharings['referent']) && $mc->sharings['referent'] != $conf->entity) ? ' disabled' : '');
 
 		$texte = $langs->trans('GenericNumRefModelDesc')."<br>\n";
 		$texte.= '<form action="'.$_SERVER["PHP_SELF"].'" method="POST">';
diff --git a/htdocs/core/tpl/contacts.tpl.php b/htdocs/core/tpl/contacts.tpl.php
index 6aaf0f5f28d..867b7cb9ffb 100644
--- a/htdocs/core/tpl/contacts.tpl.php
+++ b/htdocs/core/tpl/contacts.tpl.php
@@ -107,7 +107,7 @@ $userstatic=new User($db);
 		</div>
 		<div class="tagtd">&nbsp;</div>
 		<div  class="tagtd" align="right">
-			<input type="submit" id="add-customer-contact" class="button" value="<?php echo $langs->trans("Add"); ?>"<?php if (! $nbofcontacts) echo ' disabled="disabled"'; ?>>
+			<input type="submit" id="add-customer-contact" class="button" value="<?php echo $langs->trans("Add"); ?>"<?php if (! $nbofcontacts) echo ' disabled'; ?>>
 		</div>
 	</form>
 
diff --git a/htdocs/ecm/class/htmlecm.form.class.php b/htdocs/ecm/class/htmlecm.form.class.php
index 87b4af190ae..3675e2a24c7 100644
--- a/htdocs/ecm/class/htmlecm.form.class.php
+++ b/htdocs/ecm/class/htmlecm.form.class.php
@@ -64,7 +64,7 @@ class FormEcm
 		$output = '<select class="flat" name="'.$select_name.'">';
 		if (is_array($cate_arbo))
 		{
-			if (! count($cate_arbo)) $output.= '<option value="-1" disabled="disabled">'.$langs->trans("NoCategoriesDefined").'</option>';
+			if (! count($cate_arbo)) $output.= '<option value="-1" disabled>'.$langs->trans("NoCategoriesDefined").'</option>';
 			else
 			{
 				$output.= '<option value="-1">&nbsp;</option>';
diff --git a/htdocs/exports/index.php b/htdocs/exports/index.php
index 1178a20b236..d76c6f506d5 100644
--- a/htdocs/exports/index.php
+++ b/htdocs/exports/index.php
@@ -103,7 +103,7 @@ if (count($export->array_export_code))
 	}
 	/*
 	 print '<form action="'.DOL_URL_ROOT.'/exports/export.php?leftmenu=export"><input type="submit" class="button" value="'.$langs->trans("NewExport").'"';
-	print ($user->rights->export->creer?'':' disabled="disabled"');
+	print ($user->rights->export->creer?'':' disabled');
 	print '><div class="center"></div></form>';
 	*/
 }
diff --git a/htdocs/fourn/commande/dispatch.php b/htdocs/fourn/commande/dispatch.php
index b3d1c9b12dd..a678aa343c7 100644
--- a/htdocs/fourn/commande/dispatch.php
+++ b/htdocs/fourn/commande/dispatch.php
@@ -568,7 +568,7 @@ if ($id > 0 || ! empty($ref))
 
 				//print '<div class="center">';
 				print '<input type="submit" class="button" value="'.$langs->trans("DispatchVerb").'"';
-				if (count($listwarehouses) <= 0) print ' disabled="disabled"';
+				if (count($listwarehouses) <= 0) print ' disabled';
 				print '>';
 				//print '</div>';
 			}
diff --git a/htdocs/fourn/facture/card.php b/htdocs/fourn/facture/card.php
index f09af5d7883..8092c1e0f9d 100644
--- a/htdocs/fourn/facture/card.php
+++ b/htdocs/fourn/facture/card.php
@@ -1382,12 +1382,12 @@ if ($action == 'create')
     // Replacement
     print '<tr height="18"><td valign="middle">';
     print '<input type="radio" name="type" value="1"'.($_POST['type']==1?' checked':'');
-    if (! $options) print ' disabled="disabled"';
+    if (! $options) print ' disabled';
     print '>';
     print '</td><td valign="middle">';
     $text=$langs->trans("InvoiceReplacementAsk").' ';
     $text.='<select class="flat" name="fac_replacement"';
-    if (! $options) $text.=' disabled="disabled"';
+    if (! $options) $text.=' disabled';
     $text.='>';
     if ($options)
     {
@@ -1406,13 +1406,13 @@ if ($action == 'create')
     // Credit note
     print '<tr height="18"><td valign="middle">';
     print '<input type="radio" name="type" value="2"'.($_POST['type']==2?' checked':'');
-    if (! $optionsav) print ' disabled="disabled"';
+    if (! $optionsav) print ' disabled';
     print '>';
     print '</td><td valign="middle">';
     $text=$langs->transnoentities("InvoiceAvoirAsk").' ';
     //	$text.='<input type="text" value="">';
     $text.='<select class="flat" name="fac_avoir"';
-    if (! $optionsav) $text.=' disabled="disabled"';
+    if (! $optionsav) $text.=' disabled';
     $text.='>';
     if ($optionsav)
     {
diff --git a/htdocs/imports/import.php b/htdocs/imports/import.php
index 90eea2765ae..c2dbcae5a37 100644
--- a/htdocs/imports/import.php
+++ b/htdocs/imports/import.php
@@ -1536,7 +1536,7 @@ if ($step == 6 && $datatoimport)
 	print '<tr><td>';
 	print $langs->trans("Option");
 	print '</td><td>';
-	print '<input type="checkbox" name="excludefirstline" value="1" disabled="disabled"';
+	print '<input type="checkbox" name="excludefirstline" value="1" disabled';
 	print ($excludefirstline?' checked':'');
 	print '>';
 	print ' '.$langs->trans("DoNotImportFirstLine");
diff --git a/htdocs/install/fileconf.php b/htdocs/install/fileconf.php
index 5a00bb4b6cf..d3d2e5dbadf 100644
--- a/htdocs/install/fileconf.php
+++ b/htdocs/install/fileconf.php
@@ -147,7 +147,7 @@ if (! empty($force_install_message))
 	?>
 		<td class="label" valign="top"><?php
 		if ($force_install_noedit) print '<input type="hidden" value="'.$dolibarr_main_document_root.'" name="main_dir">';
-		print '<input type="text" size="60" value="'.$dolibarr_main_document_root.'"'.(empty($force_install_noedit)?'':' disabled="disabled"').' name="main_dir'.(empty($force_install_noedit)?'':'_bis').'">';
+		print '<input type="text" size="60" value="'.$dolibarr_main_document_root.'"'.(empty($force_install_noedit)?'':' disabled').' name="main_dir'.(empty($force_install_noedit)?'':'_bis').'">';
 		?></td>
 		<td class="comment"><?php
 		print $langs->trans("WithNoSlashAtTheEnd")."<br>";
@@ -181,7 +181,7 @@ if (! empty($force_install_message))
 		?>
 		<td class="label" valign="top"><?php
 		if ($force_install_noedit) print '<input type="hidden" value="'.$dolibarr_main_data_root.'" name="main_data_dir">';
-		print '<input type="text" size="60" value="'.$dolibarr_main_data_root.'"'.(empty($force_install_noedit)?'':' disabled="disabled"').' name="main_data_dir'.(empty($force_install_noedit)?'':'_bis').'">';
+		print '<input type="text" size="60" value="'.$dolibarr_main_data_root.'"'.(empty($force_install_noedit)?'':' disabled').' name="main_data_dir'.(empty($force_install_noedit)?'':'_bis').'">';
 		?></td>
 		<td class="comment"><?php
 		print $langs->trans("WithNoSlashAtTheEnd")."<br>";
@@ -228,7 +228,7 @@ if (! empty($force_install_message))
 		</td>
 		<td valign="top" class="label"><?php
 		if ($force_install_noedit) print '<input type="hidden" value="'.$dolibarr_main_url_root.'" name="main_url">';
-		print '<input type="text" size="60" value="'.$dolibarr_main_url_root.'"'.(empty($force_install_noedit)?'':' disabled="disabled"').' name="main_url'.(empty($force_install_noedit)?'':'_bis').'">';
+		print '<input type="text" size="60" value="'.$dolibarr_main_url_root.'"'.(empty($force_install_noedit)?'':' disabled').' name="main_url'.(empty($force_install_noedit)?'':'_bis').'">';
 		?></td>
 		<td class="comment"><?php print $langs->trans("Examples").":<br>"; ?>
 		<ul>
@@ -323,8 +323,8 @@ if (! empty($force_install_message))
 		        	if ($type=='sqlite') { $testfunction=''; $testclass='PDO'; }
 		            if ($type=='sqlite3') { $testfunction=''; $testclass='SQLite3'; }
 		            $option.='<option value="'.$type.'"'.($defaultype == $type?' selected="selected"':'');
-		            if ($testfunction && ! function_exists($testfunction)) $option.=' disabled="disabled"';
-		            if ($testclass && ! class_exists($testclass)) $option.=' disabled="disabled"';
+		            if ($testfunction && ! function_exists($testfunction)) $option.=' disabled';
+		            if ($testclass && ! class_exists($testclass)) $option.=' disabled';
 		            $option.='>';
 		            $option.=$type.'&nbsp; &nbsp;';
 		            if ($note) $option.=' '.$note;
@@ -340,7 +340,7 @@ if (! empty($force_install_message))
 		}
 
 		if ($force_install_noedit && $force_install_type) print '<input id="db_type" type="hidden" value="'.$force_install_type.'" name="db_type">';
-		print '<select id="db_type" name="db_type'.(empty($force_install_noedit) || empty($force_install_type)?'':'_bis').'"'.($force_install_noedit && $force_install_type?' disabled="disabled"':'').'>';
+		print '<select id="db_type" name="db_type'.(empty($force_install_noedit) || empty($force_install_type)?'':'_bis').'"'.($force_install_noedit && $force_install_type?' disabled':'').'>';
 		print $option;
 		print '</select>';
 
@@ -354,7 +354,7 @@ if (! empty($force_install_message))
 		</b></td>
 		<td valign="top" class="label"><input type="text"
 			name="db_host<?php print ($force_install_noedit==2 && $force_install_dbserver)?'_bis':''; ?>"
-			<?php if ($force_install_noedit==2 && $force_install_dbserver) print ' disabled="disabled"'; ?>
+			<?php if ($force_install_noedit==2 && $force_install_dbserver) print ' disabled'; ?>
 			value="<?php print (! empty($dolibarr_main_db_host))?$dolibarr_main_db_host:(empty($force_install_dbserver)?'localhost':$force_install_dbserver); ?>">
 			<?php if ($force_install_noedit==2 && $force_install_dbserver) print '<input type="hidden" name="db_host" value="'.((! empty($dolibarr_main_db_host))?$dolibarr_main_db_host:$force_install_dbserver).'">'; ?>
 		</td>
@@ -367,7 +367,7 @@ if (! empty($force_install_message))
 		<td valign="top" class="label"><?php echo $langs->trans("Port"); ?></td>
 		<td valign="top" class="label"><input type="text"
 			name="db_port<?php print ($force_install_noedit==2 && $force_install_port)?'_bis':''; ?>"
-			<?php if ($force_install_noedit==2 && $force_install_port) print ' disabled="disabled"'; ?>
+			<?php if ($force_install_noedit==2 && $force_install_port) print ' disabled'; ?>
 			value="<?php print (! empty($dolibarr_main_db_port))?$dolibarr_main_db_port:$force_install_port; ?>">
 			<?php if ($force_install_noedit==2 && $force_install_port) print '<input type="hidden" name="db_port" value="'.((! empty($dolibarr_main_db_port))?$dolibarr_main_db_port:$force_install_port).'">'; ?>
 		</td>
diff --git a/htdocs/opensurvey/card.php b/htdocs/opensurvey/card.php
index ee944c1b5ad..90f029b4d35 100644
--- a/htdocs/opensurvey/card.php
+++ b/htdocs/opensurvey/card.php
@@ -310,7 +310,7 @@ $urlwithroot=$urlwithouturlroot.DOL_URL_ROOT;		// This is to use external domain
 //$urlwithroot=DOL_MAIN_URL_ROOT;					// This is to use same domain name than current
 
 $url=$urlwithouturlroot.dol_buildpath('/public/opensurvey/studs.php',1).'?sondage='.$object->id_sondage;
-$urllink='<input type="text" style="width: 60%" '.($action == 'edit' ? 'disabled="disabled"' : '').' id="opensurveyurl" name="opensurveyurl" value="'.$url.'">';
+$urllink='<input type="text" style="width: 60%" '.($action == 'edit' ? 'disabled' : '').' id="opensurveyurl" name="opensurveyurl" value="'.$url.'">';
 print $urllink;
 if ($action != 'edit')
 {
diff --git a/htdocs/product/class/html.formproduct.class.php b/htdocs/product/class/html.formproduct.class.php
index 4e2da460a74..4380ab97f56 100644
--- a/htdocs/product/class/html.formproduct.class.php
+++ b/htdocs/product/class/html.formproduct.class.php
@@ -121,7 +121,7 @@ class FormProduct
 		$this->loadWarehouses($fk_product);
 		$nbofwarehouses=count($this->cache_warehouses);
 		
-		$out='<select class="flat"'.($disabled?' disabled="disabled"':'').' id="'.$htmlname.'" name="'.($htmlname.($disabled?'_disabled':'')).'">';
+		$out='<select class="flat"'.($disabled?' disabled':'').' id="'.$htmlname.'" name="'.($htmlname.($disabled?'_disabled':'')).'">';
 		if ($empty) $out.='<option value="-1">'.($empty_label?$empty_label:'&nbsp;').'</option>';
 		foreach($this->cache_warehouses as $id => $arraytypes)
 		{
diff --git a/htdocs/product/composition/card.php b/htdocs/product/composition/card.php
index 3f16243312c..f1c740523f3 100644
--- a/htdocs/product/composition/card.php
+++ b/htdocs/product/composition/card.php
@@ -559,7 +559,7 @@ if ($id > 0 || ! empty($ref))
 						{
 							// TODO Hide field and show it when setting a qty
 							print '<input type="checkbox" name="prod_incdec_'.$i.'" value="1" checked>';
-							//print '<input type="checkbox" disabled="true" name="prod_incdec_'.$i.'" value="1" checked>';
+							//print '<input type="checkbox" disabled name="prod_incdec_'.$i.'" value="1" checked>';
 						}
 						print '</td>';
 
diff --git a/htdocs/product/stock/replenish.php b/htdocs/product/stock/replenish.php
index 7e0ceeb38e2..08da8fbcf6f 100644
--- a/htdocs/product/stock/replenish.php
+++ b/htdocs/product/stock/replenish.php
@@ -542,7 +542,7 @@ while ($i < ($limit ? min($num, $limit) : $num))
 			if ($stockforcompare >= $objp->desiredstock)
 			{
 				$picto = img_picto('', './img/yes', '', 1);
-				$disabled = 'disabled="disabled"';
+				$disabled = 'disabled';
 			}
 			else {
 				$picto = img_picto('', './img/no', '', 1);
diff --git a/htdocs/product/stock/tpl/stocktransfer.tpl.php b/htdocs/product/stock/tpl/stocktransfer.tpl.php
index 6325939a01e..556e924b07d 100644
--- a/htdocs/product/stock/tpl/stocktransfer.tpl.php
+++ b/htdocs/product/stock/tpl/stocktransfer.tpl.php
@@ -71,7 +71,7 @@
 		{
 			print '<tr>';
 			print '<td>'.$langs->trans("batch_number").'</td><td colspan="5">';
-			print '<input type="text" name="batch_number" size="40"'.($pdluoid > 0 ? ' disabled="true"':'').' value="'.(GETPOST('batch_number')?GETPOST('batch_number'):$pdluo->batch).'">';			// If form was opened for a specific pdluoid, field is disabled
+			print '<input type="text" name="batch_number" size="40"'.($pdluoid > 0 ? ' disabled':'').' value="'.(GETPOST('batch_number')?GETPOST('batch_number'):$pdluo->batch).'">';			// If form was opened for a specific pdluoid, field is disabled
 			print '</td>';
 			print '</tr><tr>';
 			print '<td>'.$langs->trans("l_eatby").'</td><td>';
@@ -104,4 +104,4 @@
 
 		print '</form>';
 ?>
-<!-- END PHP STOCKCORRECTION.TPL.PHP -->
\ No newline at end of file
+<!-- END PHP STOCKCORRECTION.TPL.PHP -->
diff --git a/htdocs/projet/activity/perday.php b/htdocs/projet/activity/perday.php
index 0a6c1ae5d2d..f8f9daf8de9 100644
--- a/htdocs/projet/activity/perday.php
+++ b/htdocs/projet/activity/perday.php
@@ -277,7 +277,7 @@ print "</table>";
 dol_fiche_end();
 
 print '<div class="center">';
-print '<input type="submit" class="button"'.($disabledtask?' disabled="disabled"':'').' value="'.$langs->trans("Save").'">';
+print '<input type="submit" class="button"'.($disabledtask?' disabled':'').' value="'.$langs->trans("Save").'">';
 print '</div>';
 
 print '</form>';
diff --git a/htdocs/projet/tasks/contact.php b/htdocs/projet/tasks/contact.php
index acfd5d81566..0dbcc007db1 100644
--- a/htdocs/projet/tasks/contact.php
+++ b/htdocs/projet/tasks/contact.php
@@ -378,7 +378,7 @@ if ($id > 0 || ! empty($ref))
 				$formcompany->selectTypeContact($object, '', 'type','external','rowid');
 				print '</td>';
 				print '<td align="right" colspan="3" ><input type="submit" class="button" id="add-customer-contact" value="'.$langs->trans("Add").'"';
-				if (! $nbofcontacts) print ' disabled="disabled"';
+				if (! $nbofcontacts) print ' disabled';
 				print '></td>';
 				print '</tr>';
 
diff --git a/htdocs/public/demo/index.php b/htdocs/public/demo/index.php
index f8694a6a8fe..956bcac8b75 100644
--- a/htdocs/public/demo/index.php
+++ b/htdocs/public/demo/index.php
@@ -383,7 +383,7 @@ foreach ($demoprofiles as $profilearray)
                     $modulo=($j % $nbcolsmod);
         		    if ($modulo == 0) print '<tr>';
                     print '<td><input type="checkbox" class="checkbox" name="'.$modulekeyname.'" value="1"';
-                    if (in_array($modulekeyname,$alwaysuncheckedmodules)) print ' disabled="disabled"';
+                    if (in_array($modulekeyname,$alwaysuncheckedmodules)) print ' disabled';
                     if (! in_array($modulekeyname,$alwaysuncheckedmodules)  && (! in_array($modulekeyname,$listofdisabledmodules) || in_array($modulekeyname,$alwayscheckedmodules))) print ' checked';
                     print '> '.$val->getName().' &nbsp;';
                     print '<!-- id='.$val->numero.' -->';
diff --git a/htdocs/public/members/new.php b/htdocs/public/members/new.php
index 8fb06cd783e..2168c295e44 100644
--- a/htdocs/public/members/new.php
+++ b/htdocs/public/members/new.php
@@ -583,7 +583,7 @@ if (! empty($conf->global->MEMBER_NEWFORM_AMOUNT)
     }
     else
     {
-        print '<input type="text" name="amount" id="amounthidden" class="flat amount" disabled="disabled" size="6" value="'.$amount.'">';
+        print '<input type="text" name="amount" id="amounthidden" class="flat amount" disabled size="6" value="'.$amount.'">';
         print '<input type="hidden" name="amount" id="amount" class="flat amount" size="6" value="'.$amount.'">';
     }
     print ' '.$langs->trans("Currency".$conf->currency);
diff --git a/htdocs/user/card.php b/htdocs/user/card.php
index a1c371770ad..0320f44916e 100644
--- a/htdocs/user/card.php
+++ b/htdocs/user/card.php
@@ -699,7 +699,7 @@ if (($action == 'create') || ($action == 'adduserldap'))
         	print $form->selectarray('users', $liste, '', 1);
         }
        	print '</td><td align="center">';
-       	print '<input type="submit" class="button" value="'.dol_escape_htmltag($langs->trans('Get')).'"'.(count($liste)?'':' disabled="disabled"').'>';
+       	print '<input type="submit" class="button" value="'.dol_escape_htmltag($langs->trans('Get')).'"'.(count($liste)?'':' disabled').'>';
        	print '</td></tr></table>';
        	print '</form>';
 
@@ -1351,7 +1351,7 @@ else
             {
 				print '<tr><td valign="top">'.$langs->trans("ColorUser").'</td>';
 				print '<td colspan="2">';
-				if ($object->color) print '<input type="text" disabled="disabled" style="padding: 0; margin-top: 0; margin-bottom: 0; width: 36px; background-color: #'.$object->color.'" value="'.$object->color.'">';
+				if ($object->color) print '<input type="text" disabled style="padding: 0; margin-top: 0; margin-bottom: 0; width: 36px; background-color: #'.$object->color.'" value="'.$object->color.'">';
 				print '</td>';
 				print "</tr>\n";
 			}
diff --git a/htdocs/user/param_ihm.php b/htdocs/user/param_ihm.php
index 860e74c5567..4f8259bc007 100644
--- a/htdocs/user/param_ihm.php
+++ b/htdocs/user/param_ihm.php
@@ -179,7 +179,7 @@ if ($action == 'edit')
     print ($conf->global->MAIN_LANG_DEFAULT=='auto'?$langs->trans("AutoDetectLang"):$langs->trans("Language_".$conf->global->MAIN_LANG_DEFAULT));
     print '</td>';
     print '<td align="left" class="nowrap" width="20%"><input '.$bc[$var].' name="check_MAIN_LANG_DEFAULT" id="check_MAIN_LANG_DEFAULT" type="checkbox" '.(! empty($fuser->conf->MAIN_LANG_DEFAULT)?" checked":"");
-    print empty($dolibarr_main_demo)?'':' disabled="disabled"';	// Disabled for demo
+    print empty($dolibarr_main_demo)?'':' disabled';	// Disabled for demo
     print '> '.$langs->trans("UsePersonalValue").'</td>';
     print '<td>';
     print $formadmin->select_language((! empty($fuser->conf->MAIN_LANG_DEFAULT)?$fuser->conf->MAIN_LANG_DEFAULT:''),'main_lang_default',1,null,0,0,(! empty($dolibarr_main_demo)));
@@ -190,7 +190,7 @@ if ($action == 'edit')
     print '<tr '.$bc[$var].'><td>'.$langs->trans("MaxSizeList").'</td>';
     print '<td>'.$conf->global->MAIN_SIZE_LISTE_LIMIT.'</td>';
     print '<td align="left" class="nowrap" width="20%"><input '.$bc[$var].' name="check_SIZE_LISTE_LIMIT" id="check_SIZE_LISTE_LIMIT" type="checkbox" '.(! empty($fuser->conf->MAIN_SIZE_LISTE_LIMIT)?" checked":"");
-    print empty($dolibarr_main_demo)?'':' disabled="disabled"';	// Disabled for demo
+    print empty($dolibarr_main_demo)?'':' disabled';	// Disabled for demo
     print '> '.$langs->trans("UsePersonalValue").'</td>';
     print '<td><input class="flat" name="main_size_liste_limit" id="main_size_liste_limit" size="4" value="' . (! empty($fuser->conf->MAIN_SIZE_LISTE_LIMIT)?$fuser->conf->MAIN_SIZE_LISTE_LIMIT:'') . '"></td></tr>';