diff --git a/htdocs/accountancy/bookkeeping/balance.php b/htdocs/accountancy/bookkeeping/balance.php
index f7aa22e0954..910bfc51cd7 100644
--- a/htdocs/accountancy/bookkeeping/balance.php
+++ b/htdocs/accountancy/bookkeeping/balance.php
@@ -450,7 +450,7 @@ if ($action != 'export') {
 
 	print '<tr class="liste_titre_filter">';
 
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print '<td class="liste_titre maxwidthsearch">';
 		$searchpicto = $form->showFilterButtons();
 		print $searchpicto;
@@ -466,7 +466,7 @@ if ($action != 'export') {
 	print $hookmanager->resPrint;
 
 	// Action column
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print '<td class="liste_titre maxwidthsearch">';
 		$searchpicto = $form->showFilterButtons();
 		print $searchpicto;
@@ -475,7 +475,7 @@ if ($action != 'export') {
 	print '</tr>'."\n";
 
 	print '<tr class="liste_titre">';
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	}
 	print_liste_field_titre("AccountAccounting", $_SERVER['PHP_SELF'], "t.numero_compte", "", $param, "", $sortfield, $sortorder);
@@ -495,7 +495,7 @@ if ($action != 'export') {
 	$reshook = $hookmanager->executeHooks('printFieldListTitle', $parameters, $object); // Note that $action and $object may have been modified by hook
 	print $hookmanager->resPrint;
 	// Action column
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	}
 	print '</tr>'."\n";
@@ -581,7 +581,7 @@ if ($action != 'export') {
 				if ($displayed_account != "") {
 					print '<tr class="liste_total">';
 					print '<td class="right">'.$langs->trans("SubTotal").':</td>';
-					if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+					if ($conf->main_checkbox_left_column) {
 						print '<td></td>';
 					}
 					if (getDolGlobalString('ACCOUNTANCY_SHOW_OPENING_BALANCE')) {
@@ -594,7 +594,7 @@ if ($action != 'export') {
 					} else {
 						print '<td class="right nowraponall amount">'.price(price2num($sous_total_debit - $sous_total_credit)).'</td>';
 					}
-					if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+					if (!$conf->main_checkbox_left_column) {
 						print "<td></td>\n";
 					}
 					print '</tr>';
@@ -615,7 +615,7 @@ if ($action != 'export') {
 		print '<tr class="oddeven">';
 
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td class="center">';
 			print $link;
 			print '</td>';
@@ -672,7 +672,7 @@ if ($action != 'export') {
 		}
 
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td class="center">';
 			print $link;
 			print '</td>';
@@ -689,7 +689,7 @@ if ($action != 'export') {
 	if (!empty($show_subgroup)) {
 		print '<tr class="liste_total">';
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print "<td></td>\n";
 		}
 		print '<td class="right">'.$langs->trans("SubTotal").':</td>';
@@ -704,7 +704,7 @@ if ($action != 'export') {
 			print '<td class="right nowraponall amount">' . price(price2num($sous_total_debit - $sous_total_credit, 'MT')) . '</td>';
 		}
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print "<td></td>\n";
 		}
 		print '</tr>';
@@ -712,7 +712,7 @@ if ($action != 'export') {
 
 	print '<tr class="liste_total">';
 	// Action column
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print "<td></td>\n";
 	}
 	print '<td class="right">'.$langs->trans("AccountBalance").':</td>';
@@ -727,7 +727,7 @@ if ($action != 'export') {
 		print '<td class="right nowraponall amount">' . price(price2num($total_debit - $total_credit, 'MT')) . '</td>';
 	}
 	// Action column
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print "<td></td>\n";
 	}
 	print '</tr>';
@@ -735,7 +735,7 @@ if ($action != 'export') {
 	// Accounting result
 	if (getDolGlobalString('ACCOUNTING_CLOSURE_ACCOUNTING_GROUPS_USED_FOR_INCOME_STATEMENT')) {
 		print '<tr class="liste_total">';
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print "<td></td>\n";
 		}
 		print '<td class="right">' . $langs->trans("AccountingResult") . ':</td>';
@@ -757,7 +757,7 @@ if ($action != 'export') {
 		print '<td class="right nowraponall amount' . $accountingResultClassCSS . '">' . $accountingResultCredit . '</td>';
 
 		print '<td></td>';
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print "<td></td>\n";
 		}
 		print '</tr>';
diff --git a/htdocs/accountancy/bookkeeping/export.php b/htdocs/accountancy/bookkeeping/export.php
index c4537358066..0310f8a502c 100644
--- a/htdocs/accountancy/bookkeeping/export.php
+++ b/htdocs/accountancy/bookkeeping/export.php
@@ -971,7 +971,7 @@ if (!getDolGlobalString('ACCOUNTING_REEXPORT')) {
 include DOL_DOCUMENT_ROOT.'/core/tpl/massactions_pre.tpl.php';
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')); // This also change content of $arrayfields
+$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column); // This also change content of $arrayfields
 if ($massactionbutton && $contextpage != 'poslist') {
 	$selectedfields .= $form->showCheckAddButtons('checkforselect', 1);
 }
@@ -1007,7 +1007,7 @@ print '<table class="tagtable liste'.($moreforfilter ? " listwithfilterbefore" :
 // Filters lines
 print '<tr class="liste_titre_filter">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -1141,7 +1141,7 @@ if (!empty($arrayfields['t.import_key']['checked'])) {
 	print '</td>';
 }
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -1150,7 +1150,7 @@ if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
 print "</tr>\n";
 
 print '<tr class="liste_titre">';
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', '', $sortfield, $sortorder, 'center maxwidthsearch actioncolumn ');
 }
 if (!empty($arrayfields['t.piece_num']['checked'])) {
@@ -1202,7 +1202,7 @@ if (!empty($arrayfields['t.date_validated']['checked'])) {
 if (!empty($arrayfields['t.import_key']['checked'])) {
 	print_liste_field_titre($arrayfields['t.import_key']['label'], $_SERVER["PHP_SELF"], "t.import_key", "", $param, '', $sortfield, $sortorder, 'center ');
 }
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ');
 }
 print "</tr>\n";
@@ -1255,7 +1255,7 @@ while ($i < min($num, $limit)) {
 
 	print '<tr class="oddeven">';
 	// Action column
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print '<td class="nowraponall center">';
 		if (($massactionbutton || $massaction) && $contextpage != 'poslist') {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 			$selected = 0;
@@ -1484,7 +1484,7 @@ while ($i < min($num, $limit)) {
 	}
 
 	// Action column
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print '<td class="nowraponall center">';
 		if (($massactionbutton || $massaction) && $contextpage != 'poslist') {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 			$selected = 0;
diff --git a/htdocs/accountancy/bookkeeping/listbyaccount.php b/htdocs/accountancy/bookkeeping/listbyaccount.php
index 4827dedec49..b9c990fa85c 100644
--- a/htdocs/accountancy/bookkeeping/listbyaccount.php
+++ b/htdocs/accountancy/bookkeeping/listbyaccount.php
@@ -971,7 +971,7 @@ if ($massaction == 'preunletteringauto') {
 include DOL_DOCUMENT_ROOT.'/core/tpl/massactions_pre.tpl.php';
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')); // This also change content of $arrayfields
+$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column); // This also change content of $arrayfields
 if ($massactionbutton && $contextpage != 'poslist') {
 	$selectedfields .= $form->showCheckAddButtons('checkforselect', 1);
 }
@@ -1065,7 +1065,7 @@ print '<table class="tagtable liste centpercent listwithfilterbefore">';
 // Filters lines
 print '<tr class="liste_titre_filter">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -1164,7 +1164,7 @@ $reshook = $hookmanager->executeHooks('printFieldListOption', $parameters); // N
 print $hookmanager->resPrint;
 
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -1173,7 +1173,7 @@ if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
 print "</tr>\n";
 
 print '<tr class="liste_titre">';
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ');
 }
 if (!empty($arrayfields['t.piece_num']['checked'])) {
@@ -1220,7 +1220,7 @@ if (!empty($arrayfields['t.import_key']['checked'])) {
 $parameters = array('arrayfields' => $arrayfields, 'param' => $param, 'sortfield' => $sortfield, 'sortorder' => $sortorder);
 $reshook = $hookmanager->executeHooks('printFieldListTitle', $parameters); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ');
 }
 print "</tr>\n";
@@ -1259,7 +1259,7 @@ if (!empty($arrayfields['t.label_operation']['checked'])) { $colspan++; }
 if (!empty($arrayfields['t.date_export']['checked'])) { $colspanend++; }
 if (!empty($arrayfields['t.date_validated']['checked'])) { $colspanend++; }
 if (!empty($arrayfields['t.lettering_code']['checked'])) { $colspanend++; }
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	$colspan++;
 	$colspanend--;
 }
@@ -1276,7 +1276,7 @@ while ($i < min($num, $limit)) {
 
 	$colspan = 0;			// colspan before field 'label of operation'
 	$colspanend = 0;		// colspan after debit/credit
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		$colspan++;
 	}
 	if (!empty($arrayfields['t.piece_num']['checked'])) {
@@ -1317,7 +1317,7 @@ while ($i < min($num, $limit)) {
 	if (!empty($arrayfields['t.import_key']['checked'])) {
 		$colspanend++;
 	}
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		$colspan++;
 		$colspanend--;
 	}
@@ -1397,7 +1397,7 @@ while ($i < min($num, $limit)) {
 
 	print '<tr class="oddeven">';
 	// Action column
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print '<td class="nowraponall center">';
 		if (($massactionbutton || $massaction) && $contextpage != 'poslist') {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 			$selected = 0;
@@ -1613,7 +1613,7 @@ while ($i < min($num, $limit)) {
 	print $hookmanager->resPrint;
 
 	// Action column
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print '<td class="nowraponall center">';
 		if (($massactionbutton || $massaction) && $contextpage != 'poslist') {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 			$selected = 0;
diff --git a/htdocs/compta/bank/bankentries_list.php b/htdocs/compta/bank/bankentries_list.php
index 8a7f92e49d3..0db5bbcd208 100644
--- a/htdocs/compta/bank/bankentries_list.php
+++ b/htdocs/compta/bank/bankentries_list.php
@@ -1097,7 +1097,7 @@ if ($resql) {
 	}
 
 	$varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-	$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN'));  // This also change content of $arrayfields with user setup
+	$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column);  // This also change content of $arrayfields with user setup
 	$selectedfields = ($mode != 'kanban' ? $htmlofselectarray : '');
 	$selectedfields .= (($action == 'reconcile' || $action == 'confirm_deleteonreconcile') ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
@@ -1113,7 +1113,7 @@ if ($resql) {
 	// --------------------------------------------------------------------
 	print '<tr class="liste_titre_filter">';
 	// Actions and select
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print '<td class="liste_titre valignmiddle center">';
 		$searchpicto = $form->showFilterButtons('left');
 		print $searchpicto;
@@ -1204,7 +1204,7 @@ if ($resql) {
 	print '<td class="nowraponall center"></td>';
 
 	// Actions and select
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print '<td class="liste_titre valignmiddle center">';
 		//$searchpicto = $form->showFilterAndCheckAddButtons($massactionbutton ? 1 : 0, 'checkforselect', 1);
 		//print $searchpicto;
@@ -1220,7 +1220,7 @@ if ($resql) {
 	// Fields title
 	print '<tr class="liste_titre">';
 	// Actions and select
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 		$totalarray['nbfield']++;
 	}
@@ -1296,7 +1296,7 @@ if ($resql) {
 	print '<td class="nowraponall center"></td>';
 	$totalarray['nbfield']++;
 	// Actions and select
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		//print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 		print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', '', $sortfield, $sortorder, 'maxwidthsearch center ');
 		$totalarray['nbfield']++;
@@ -1398,7 +1398,7 @@ if ($resql) {
 
 				print '<tr class="oddeven trforbreak">';
 				// Action column
-				if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+				if ($conf->main_checkbox_left_column) {
 					print '<td></td>';
 				}
 				if ($tmpnbfieldbeforebalance) {
@@ -1440,7 +1440,7 @@ if ($resql) {
 				print '</td>';
 
 				// Action column
-				if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+				if (!$conf->main_checkbox_left_column) {
 					print '<td></td>';
 				}
 
@@ -1483,7 +1483,7 @@ if ($resql) {
 		print '<tr class="oddeven" '.$backgroundcolor.'>';
 
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td class="center">';
 			if (!$objp->conciliated && ($action == 'reconcile' || $action == 'confirm_deleteonreconcile')) {
 				print '<input class="flat checkforselect" name="rowid['.$objp->rowid.']" type="checkbox" name="toselect[]" value="'.$objp->rowid.'" size="1"'.(!empty($tmparray[$objp->rowid]) ? ' checked' : '').'>';
@@ -1925,7 +1925,7 @@ if ($resql) {
 		}
 
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td class="center">';
 			if (!$objp->conciliated && ($action == 'reconcile' || $action == 'confirm_deleteonreconcile')) {
 				print '<input class="flat checkforselect" name="rowid['.$objp->rowid.']" type="checkbox" value="'.$objp->rowid.'" size="1"'.(!empty($tmparray[$objp->rowid]) ? ' checked' : '').'>';
diff --git a/htdocs/compta/prelevement/demandes.php b/htdocs/compta/prelevement/demandes.php
index bb559c79054..391ed3b6d0c 100644
--- a/htdocs/compta/prelevement/demandes.php
+++ b/htdocs/compta/prelevement/demandes.php
@@ -279,7 +279,7 @@ print '<table class="liste centpercent">';
 
 print '<tr class="liste_titre">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -290,7 +290,7 @@ print '<td class="liste_titre"><input type="text" class="flat maxwidth150" name=
 print '<td class="liste_titre"></td>';
 print '<td class="liste_titre"></td>';
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -299,14 +299,14 @@ if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
 print '</tr>';
 
 print '<tr class="liste_titre">';
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print_liste_field_titre('');
 }
 print_liste_field_titre(($sourcetype ? "RefSalary" : "Bill"), $_SERVER["PHP_SELF"]);
 print_liste_field_titre(($sourcetype ? "Employee" : "Company"), $_SERVER["PHP_SELF"]);
 print_liste_field_titre("AmountRequested", $_SERVER["PHP_SELF"], "", "", $param, '', '', '', 'right ');
 print_liste_field_titre("DateRequest", $_SERVER["PHP_SELF"], "", "", $param, '', '', '', 'center ');
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print_liste_field_titre('');
 }
 print '</tr>';
@@ -329,7 +329,7 @@ while ($i < min($num, $limit) && $resql !== null) {
 	print '<tr class="oddeven">';
 
 	// Action column
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print '<td class="right"></td>';
 	}
 
@@ -365,7 +365,7 @@ while ($i < min($num, $limit) && $resql !== null) {
 	print '<td class="center">'.dol_print_date($db->jdate($obj->date_demande), 'day').'</td>';
 
 	// Action column
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print '<td class="right"></td>';
 	}
 
diff --git a/htdocs/eventorganization/conferenceorbooth_list.php b/htdocs/eventorganization/conferenceorbooth_list.php
index 8ba2bd91ad8..9e925327f3d 100644
--- a/htdocs/eventorganization/conferenceorbooth_list.php
+++ b/htdocs/eventorganization/conferenceorbooth_list.php
@@ -910,7 +910,7 @@ if (!empty($moreforfilter)) {
 }
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN'));  // This also change content of $arrayfields with user setup
+$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column);  // This also change content of $arrayfields with user setup
 $selectedfields = ($mode != 'kanban' ? $htmlofselectarray : '');
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
@@ -923,7 +923,7 @@ print '<table class="tagtable nobottomiftotal liste'.($moreforfilter ? " listwit
 // --------------------------------------------------------------------
 print '<tr class="liste_titre_filter">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -972,7 +972,7 @@ $parameters = array('arrayfields' => $arrayfields);
 $reshook = $hookmanager->executeHooks('printFieldListOption', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -987,7 +987,7 @@ $totalarray['nbfield'] = 0;
 // --------------------------------------------------------------------
 print '<tr class="liste_titre">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -1015,7 +1015,7 @@ $parameters = array('arrayfields' => $arrayfields, 'param' => $param, 'sortfield
 $reshook = $hookmanager->executeHooks('printFieldListTitle', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -1073,7 +1073,7 @@ while ($i < $imaxinloop) {
 		$j = 0;
 		print '<tr data-rowid="'.$object->id.'" class="oddeven row-with-select">';
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) { // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
@@ -1144,7 +1144,7 @@ while ($i < $imaxinloop) {
 		$reshook = $hookmanager->executeHooks('printFieldListValue', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 		print $hookmanager->resPrint;
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) { // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
diff --git a/htdocs/eventorganization/conferenceorboothattendee_list.php b/htdocs/eventorganization/conferenceorboothattendee_list.php
index 85ccc209d38..3c5580549d7 100644
--- a/htdocs/eventorganization/conferenceorboothattendee_list.php
+++ b/htdocs/eventorganization/conferenceorboothattendee_list.php
@@ -903,7 +903,7 @@ if (!empty($moreforfilter)) {
 }
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN'));  // This also change content of $arrayfields with user setup
+$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column);  // This also change content of $arrayfields with user setup
 $selectedfields = ($mode != 'kanban' ? $htmlofselectarray : '');
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
@@ -916,7 +916,7 @@ print '<table class="tagtable nobottomiftotal liste'.($moreforfilter ? " listwit
 // --------------------------------------------------------------------
 print '<tr class="liste_titre_filter">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -965,7 +965,7 @@ $parameters = array('arrayfields' => $arrayfields);
 $reshook = $hookmanager->executeHooks('printFieldListOption', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -980,7 +980,7 @@ $totalarray['nbfield'] = 0;
 // --------------------------------------------------------------------
 print '<tr class="liste_titre">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -1008,7 +1008,7 @@ $parameters = array('arrayfields' => $arrayfields, 'param' => $param, 'sortfield
 $reshook = $hookmanager->executeHooks('printFieldListTitle', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -1065,7 +1065,7 @@ while ($i < $imaxinloop) {
 		$j = 0;
 		print '<tr data-rowid="'.$object->id.'" class="oddeven">';
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) { // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
@@ -1140,7 +1140,7 @@ while ($i < $imaxinloop) {
 		$reshook = $hookmanager->executeHooks('printFieldListValue', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 		print $hookmanager->resPrint;
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) { // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
diff --git a/htdocs/expensereport/list.php b/htdocs/expensereport/list.php
index 2ea7e42c71c..a853f164422 100644
--- a/htdocs/expensereport/list.php
+++ b/htdocs/expensereport/list.php
@@ -589,7 +589,7 @@ if (!empty($moreforfilter)) {
 }
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN'));  // This also change content of $arrayfields with user setup
+$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column);  // This also change content of $arrayfields with user setup
 $selectedfields = ($mode != 'kanban' ? $htmlofselectarray : '');
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
@@ -600,7 +600,7 @@ print '<table class="tagtable nobottomiftotal liste'.($moreforfilter ? " listwit
 // --------------------------------------------------------------------
 print '<tr class="liste_titre_filter">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -692,7 +692,7 @@ if (!empty($arrayfields['d.fk_statut']['checked'])) {
 	print '</td>';
 }
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -707,7 +707,7 @@ $totalarray['nbfield'] = 0;
 // Fields title label
 // --------------------------------------------------------------------
 print '<tr class="liste_titre">';
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', '', $sortfield, $sortorder, 'maxwidthsearch center ');
 	$totalarray['nbfield']++;
 }
@@ -765,7 +765,7 @@ if (!empty($arrayfields['d.fk_statut']['checked'])) {
 	print_liste_field_titre($arrayfields['d.fk_statut']['label'], $_SERVER["PHP_SELF"], "d.fk_statut", "", $param, '', $sortfield, $sortorder, 'center ');
 	$totalarray['nbfield']++;
 }
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ');
 	$totalarray['nbfield']++;
 }
@@ -846,7 +846,7 @@ if ($num > 0) {
 			print '<tr data-rowid="'.$object->id.'" class="oddeven row-with-select">';
 
 			// Action column
-			if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+			if ($conf->main_checkbox_left_column) {
 				print '<td class="nowrap center">';
 				if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 					$selected = 0;
@@ -989,7 +989,7 @@ if ($num > 0) {
 				}
 			}
 			// Action column
-			if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+			if (!$conf->main_checkbox_left_column) {
 				print '<td class="nowrap center">';
 				if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 					$selected = 0;
diff --git a/htdocs/expensereport/payment/list.php b/htdocs/expensereport/payment/list.php
index ccb8f57ef34..7e27238a1a7 100644
--- a/htdocs/expensereport/payment/list.php
+++ b/htdocs/expensereport/payment/list.php
@@ -421,7 +421,7 @@ if (!empty($moreforfilter)) {
 }
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN'));  // This also change content of $arrayfields with user setup
+$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column);  // This also change content of $arrayfields with user setup
 $selectedfields = ($mode != 'kanban' ? $htmlofselectarray : '');
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
@@ -433,7 +433,7 @@ print '<table class="tagtable nobottomiftotal liste'.($moreforfilter ? " listwit
 print '<tr class="liste_titre_filter">';
 
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -500,7 +500,7 @@ $reshook = $hookmanager->executeHooks('printFieldListOption', $parameters); // N
 print $hookmanager->resPrint;
 
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -516,7 +516,7 @@ $totalarray['nbfield'] = 0;
 // --------------------------------------------------------------------
 print '<tr class="liste_titre">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print_liste_field_titre($selectedfields, $_SERVER['PHP_SELF'], '', '', '', 'align="center"', $sortfield, $sortorder, 'maxwidthsearch ');
 	$totalarray['nbfield']++;
 }
@@ -559,7 +559,7 @@ $parameters = array('arrayfields' => $arrayfields, 'param' => $param, 'sortfield
 $reshook = $hookmanager->executeHooks('printFieldListTitle', $parameters); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print_liste_field_titre($selectedfields, $_SERVER['PHP_SELF'], '', '', '', 'align="center"', $sortfield, $sortorder, 'maxwidthsearch ');
 	$totalarray['nbfield']++;
 }
@@ -622,7 +622,7 @@ while ($i < $imaxinloop) {
 		print '<tr data-rowid="'.$object->id.'" class="oddeven">';
 
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) { // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
@@ -733,7 +733,7 @@ while ($i < $imaxinloop) {
 		}
 
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) { // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
diff --git a/htdocs/fourn/facture/list-rec.php b/htdocs/fourn/facture/list-rec.php
index ae8d766477a..f3a740f4ca5 100644
--- a/htdocs/fourn/facture/list-rec.php
+++ b/htdocs/fourn/facture/list-rec.php
@@ -543,7 +543,7 @@ $arrayofmassactions = array(
 $massactionbutton = $form->selectMassAction('', $massaction == 'presend' ? array() : array('presend' => $langs->trans("SendByMail"), 'builddoc' => $langs->trans("PDFMerge")));
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN'));  // This also change content of $arrayfields with user setup
+$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column);  // This also change content of $arrayfields with user setup
 $selectedfields = ($mode != 'kanban' ? $htmlofselectarray : '');
 //$selectedfields.=$form->showCheckAddButtons('checkforselect', 1);
 
@@ -586,7 +586,7 @@ if (!empty($moreforfilter)) {
 }
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')); // This also change content of $arrayfields
+$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column); // This also change content of $arrayfields
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
 print '<div class="div-table-responsive">'; // You can use div-table-responsive-no-min if you don't need reserved height for your table
@@ -596,7 +596,7 @@ print '<table class="tagtable nobottomiftotal liste'.($moreforfilter ? " listwit
 // --------------------------------------------------------------------
 print '<tr class="liste_titre_filter">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre maxwidthsearch center">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -728,7 +728,7 @@ if (!empty($arrayfields['status']['checked'])) {
 	print '</td>';
 }
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre maxwidthsearch center">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -743,7 +743,7 @@ $totalarray['nbfield'] = 0;
 // --------------------------------------------------------------------
 print '<tr class="liste_titre">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print getTitleFieldOfList(($mode != 'kanban' ? $selectedfields : ''), 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -823,7 +823,7 @@ if (!empty($arrayfields['status']['checked'])) {
 	$totalarray['nbfield']++;
 }
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print getTitleFieldOfList(($mode != 'kanban' ? $selectedfields : ''), 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -862,7 +862,7 @@ while ($i < $imaxinloop) {
 	$j = 0;
 	print '<tr data-rowid="'.$object->id.'" class="oddeven">';
 	// Action column
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print '<td class="center tdoverflowmax125">';
 		if ($user->hasRight('facture', 'creer') && empty($supplierinvoicerectmp->suspended)) {
 			if ($supplierinvoicerectmp->isMaxNbGenReached()) {
@@ -1063,7 +1063,7 @@ while ($i < $imaxinloop) {
 		}
 	}
 	// Action column
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print '<td class="nowrap center tdoverflowmax125">';
 		if ($user->hasRight('facture', 'creer') && empty($supplierinvoicerectmp->suspended)) {
 			if ($supplierinvoicerectmp->isMaxNbGenReached()) {
diff --git a/htdocs/holiday/define_holiday.php b/htdocs/holiday/define_holiday.php
index 7e8a0307294..433498433b7 100644
--- a/htdocs/holiday/define_holiday.php
+++ b/htdocs/holiday/define_holiday.php
@@ -347,7 +347,7 @@ if (count($typeleaves) == 0) {
 	$selectedfields = '';
 	if ($massactionbutton) {
 		$varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-		$selectedfields .= ($mode != 'kanban' ? $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) : ''); // This also change content of $arrayfields
+		$selectedfields .= ($mode != 'kanban' ? $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column) : ''); // This also change content of $arrayfields
 		$selectedfields .= $form->showCheckAddButtons('checkforselect', 1);
 	}
 
@@ -357,7 +357,7 @@ if (count($typeleaves) == 0) {
 	print '<tr class="liste_titre_filter">';
 
 	// Action column
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print '<td class="liste_titre maxwidthsearch center">';
 		$searchpicto = $form->showFilterButtons();
 		print $searchpicto;
@@ -393,7 +393,7 @@ if (count($typeleaves) == 0) {
 	print '<td class="liste_titre"></td>';
 
 	// Action column
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print '<td class="liste_titre maxwidthsearch center">';
 		$searchpicto = $form->showFilterButtons();
 		print $searchpicto;
@@ -404,7 +404,7 @@ if (count($typeleaves) == 0) {
 
 	print '<tr class="liste_titre">';
 	// Action column
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	}
 	if (!empty($arrayfields['cp.rowid']['checked'])) {
@@ -429,7 +429,7 @@ if (count($typeleaves) == 0) {
 	print_liste_field_titre('');
 	print_liste_field_titre('');
 	// Action column
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	}
 	print '</tr>';
@@ -461,7 +461,7 @@ if (count($typeleaves) == 0) {
 		print '<tr class="oddeven">';
 
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 
 			if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
@@ -534,7 +534,7 @@ if (count($typeleaves) == 0) {
 		print '</td>';
 
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 
 			if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
diff --git a/htdocs/holiday/list.php b/htdocs/holiday/list.php
index 5b38d7ab287..38689d0caaa 100644
--- a/htdocs/holiday/list.php
+++ b/htdocs/holiday/list.php
@@ -585,7 +585,7 @@ if (!empty($moreforfilter)) {
 }
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN'));  // This also change content of $arrayfields with user setup
+$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column);  // This also change content of $arrayfields with user setup
 $selectedfields = ($mode != 'kanban' ? $htmlofselectarray : '');
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
@@ -601,7 +601,7 @@ print '<table class="tagtable nobottomiftotal liste'.($moreforfilter ? " listwit
 // --------------------------------------------------------------------
 print '<tr class="liste_titre_filter">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -733,7 +733,7 @@ if (!empty($arrayfields['cp.statut']['checked'])) {
 }
 
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -748,7 +748,7 @@ $totalarray['nbfield'] = 0;
 // Fields title label
 // --------------------------------------------------------------------
 print '<tr class="liste_titre">';
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -807,7 +807,7 @@ if (!empty($arrayfields['cp.statut']['checked'])) {
 	$totalarray['nbfield']++;
 }
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -913,7 +913,7 @@ if ($id && !$user->hasRight('holiday', 'readall') && !in_array($id, $childids))
 			$j = 0;
 			print '<tr data-rowid="'.$object->id.'" class="oddeven row-with-select">';
 			// Action column
-			if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+			if ($conf->main_checkbox_left_column) {
 				print '<td class="nowrap center">';
 				if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 					$selected = 0;
@@ -1036,7 +1036,7 @@ if ($id && !$user->hasRight('holiday', 'readall') && !in_array($id, $childids))
 			}
 
 			// Action column
-			if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+			if (!$conf->main_checkbox_left_column) {
 				print '<td class="nowrap center">';
 				if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 					$selected = 0;
@@ -1059,7 +1059,7 @@ if ($id && !$user->hasRight('holiday', 'readall') && !in_array($id, $childids))
 	// Add a line for total if there is a total to show
 	if ($mode != 'kanban' && !empty($arrayfields['duration']['checked'])) {
 		print '<tr class="total">';
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td></td>';
 		}
 		foreach ($arrayfields as $key => $val) {
@@ -1072,7 +1072,7 @@ if ($id && !$user->hasRight('holiday', 'readall') && !in_array($id, $childids))
 			}
 		}
 		// status
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td></td>';
 		}
 		print '</tr>';
diff --git a/htdocs/holiday/month_report.php b/htdocs/holiday/month_report.php
index 1b6b43724fa..52ec14889d6 100644
--- a/htdocs/holiday/month_report.php
+++ b/htdocs/holiday/month_report.php
@@ -248,7 +248,7 @@ print '<br>';
 //$moreforfilter = '';
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')); // This also change content of $arrayfields
+$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column); // This also change content of $arrayfields
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
 print '<div class="div-table-responsive">';
@@ -257,7 +257,7 @@ print '<table class="tagtable nobottomiftotal liste">';
 print '<tr class="liste_titre_filter">';
 
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<th class="wrapcolumntitle center maxwidthsearch liste_titre">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -318,7 +318,7 @@ if (!empty($arrayfields['cp.description']['checked'])) {
 	print '</th>';
 }
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<th class="liste_titre maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -328,7 +328,7 @@ print '</tr>';
 
 print '<tr class="liste_titre">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', $param, '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 }
 if (!empty($arrayfields['cp.ref']['checked'])) {
@@ -365,7 +365,7 @@ if (!empty($arrayfields['cp.description']['checked'])) {
 	print_liste_field_titre($arrayfields['cp.description']['label'], $_SERVER["PHP_SELF"], 'cp.description', '', $param, '', $sortfield, $sortorder);
 }
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', $param, '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 }
 print '</tr>';
@@ -431,7 +431,7 @@ if ($num == 0) {
 
 		print '<tr class="oddeven">';
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td></td>';
 		}
 
@@ -484,7 +484,7 @@ if ($num == 0) {
 			print '</td>';
 		}
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td></td>';
 		}
 		print '</tr>';
diff --git a/htdocs/holiday/view_log.php b/htdocs/holiday/view_log.php
index b5cd1b6cae4..ef4d13f7d41 100644
--- a/htdocs/holiday/view_log.php
+++ b/htdocs/holiday/view_log.php
@@ -323,7 +323,7 @@ $disabled = 0;
 $include = '';
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN'));  // This also change content of $arrayfields with user setup
+$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column);  // This also change content of $arrayfields with user setup
 $selectedfields = ($mode != 'kanban' ? $htmlofselectarray : '');
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
@@ -333,7 +333,7 @@ print '<table class="tagtable liste'.($moreforfilter ? " listwithfilterbefore" :
 print '<tr class="liste_titre_filter">';
 
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -415,7 +415,7 @@ if (!empty($arrayfields['cpl.new_solde']['checked'])) {
 }
 
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -425,7 +425,7 @@ print '</tr>';
 
 print '<tr class="liste_titre">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ');
 }
 if (!empty($arrayfields['cpl.rowid']['checked'])) {
@@ -456,7 +456,7 @@ if (!empty($arrayfields['cpl.new_solde']['checked'])) {
 	print_liste_field_titre($arrayfields['cpl.new_solde']['label'], $_SERVER["PHP_SELF"], 'new_solde', '', '', '', $sortfield, $sortorder, 'right ');
 }
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ');
 }
 print '</tr>';
@@ -488,7 +488,7 @@ while ($i < min($num, $limit)) {
 	print '<tr class="oddeven">';
 
 	// Action column
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print '<td></td>';
 	}
 
@@ -560,7 +560,7 @@ while ($i < min($num, $limit)) {
 	}
 
 	// Action column
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print '<td></td>';
 	}
 
diff --git a/htdocs/hrm/evaluation_list.php b/htdocs/hrm/evaluation_list.php
index ead9026faf2..4dc0e10bfc6 100644
--- a/htdocs/hrm/evaluation_list.php
+++ b/htdocs/hrm/evaluation_list.php
@@ -498,7 +498,7 @@ if (!empty($moreforfilter)) {
 }
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN'));  // This also change content of $arrayfields with user setup
+$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column);  // This also change content of $arrayfields with user setup
 $selectedfields = ($mode != 'kanban' ? $htmlofselectarray : '');
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
@@ -509,7 +509,7 @@ print '<table class="tagtable nobottomiftotal liste'.($moreforfilter ? " listwit
 // --------------------------------------------------------------------
 print '<tr class="liste_titre_filter">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre maxwidthsearch center">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -558,7 +558,7 @@ $parameters = array('arrayfields' => $arrayfields);
 $reshook = $hookmanager->executeHooks('printFieldListOption', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -573,7 +573,7 @@ $totalarray['nbfield'] = 0;
 // --------------------------------------------------------------------
 print '<tr class="liste_titre">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print getTitleFieldOfList(($mode != 'kanban' ? $selectedfields : ''), 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -601,7 +601,7 @@ $parameters = array('arrayfields' => $arrayfields, 'param' => $param, 'sortfield
 $reshook = $hookmanager->executeHooks('printFieldListTitle', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -667,7 +667,7 @@ while ($i < $imaxinloop) {
 		// Show here line of result
 		print '<tr data-rowid="'.$object->id.'" class="oddeven">';
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) { // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
@@ -738,7 +738,7 @@ while ($i < $imaxinloop) {
 		$reshook = $hookmanager->executeHooks('printFieldListValue', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 		print $hookmanager->resPrint;
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) { // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
diff --git a/htdocs/hrm/skill_list.php b/htdocs/hrm/skill_list.php
index 0812665954c..50c929b84df 100644
--- a/htdocs/hrm/skill_list.php
+++ b/htdocs/hrm/skill_list.php
@@ -487,7 +487,7 @@ if (!empty($moreforfilter)) {
 }
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN'));  // This also change content of $arrayfields with user setup
+$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column);  // This also change content of $arrayfields with user setup
 $selectedfields = ($mode != 'kanban' ? $htmlofselectarray : '');
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
@@ -499,7 +499,7 @@ print '<table class="tagtable nobottomiftotal liste'.($moreforfilter ? " listwit
 // --------------------------------------------------------------------
 print '<tr class="liste_titre_filter">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre maxwidthsearch center">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -548,7 +548,7 @@ $parameters = array('arrayfields' => $arrayfields);
 $reshook = $hookmanager->executeHooks('printFieldListOption', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -563,7 +563,7 @@ $totalarray['nbfield'] = 0;
 // --------------------------------------------------------------------
 print '<tr class="liste_titre">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print getTitleFieldOfList(($mode != 'kanban' ? $selectedfields : ''), 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -591,7 +591,7 @@ $parameters = array('arrayfields' => $arrayfields, 'param' => $param, 'sortfield
 $reshook = $hookmanager->executeHooks('printFieldListTitle', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print getTitleFieldOfList(($mode != 'kanban' ? $selectedfields : ''), 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -653,7 +653,7 @@ while ($i < $imaxinloop) {
 		$j = 0;
 		print '<tr data-rowid="'.$object->id.'" class="oddeven">';
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) { // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
@@ -726,7 +726,7 @@ while ($i < $imaxinloop) {
 		$reshook = $hookmanager->executeHooks('printFieldListValue', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 		print $hookmanager->resPrint;
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) { // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
diff --git a/htdocs/margin/checkMargins.php b/htdocs/margin/checkMargins.php
index 2b492d1e6bd..c8a853b8d21 100644
--- a/htdocs/margin/checkMargins.php
+++ b/htdocs/margin/checkMargins.php
@@ -290,7 +290,7 @@ if ($result) {
 	print '<table class="tagtable noborder nobottomiftotal liste'.($moreforfilter ? " listwithfilterbefore" : "").'">'."\n";
 
 	print '<tr class="liste_titre liste_titre_search">';
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print '<td class="liste_titre center">';
 		$searchpitco = $form->showFilterButtons();
 		print $searchpitco;
@@ -302,7 +302,7 @@ if ($result) {
 	print '<td></td>';
 	print '<td></td>';
 	print '<td></td>';
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print '<td class="liste_titre center">';
 		$searchpitco = $form->showFilterButtons();
 		print $searchpitco;
@@ -311,7 +311,7 @@ if ($result) {
 	print "</tr>\n";
 
 	print '<tr class="liste_titre">';
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', $param, '', $sortfield, $sortorder, 'maxwidthsearch center ');
 	}
 	print_liste_field_titre("Ref", $_SERVER["PHP_SELF"], "f.ref", "", $param, '', $sortfield, $sortorder);
@@ -320,7 +320,7 @@ if ($result) {
 	print_liste_field_titre($labelcostprice, $_SERVER["PHP_SELF"], "d.buy_price_ht", "", $param, '', $sortfield, $sortorder, 'right ');
 	print_liste_field_titre("Qty", $_SERVER["PHP_SELF"], "d.qty", "", $param, '', $sortfield, $sortorder, 'right ');
 	print_liste_field_titre("AmountTTC", $_SERVER["PHP_SELF"], "d.total_ht", "", $param, '', $sortfield, $sortorder, 'right ');
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', $param, '', $sortfield, $sortorder, 'maxwidthsearch center ');
 	}
 	print "</tr>\n";
@@ -331,7 +331,7 @@ if ($result) {
 
 		print '<tr class="oddeven">';
 
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td></td>';
 		}
 
@@ -376,7 +376,7 @@ if ($result) {
 		print '<span class="amount">'.price($objp->total_ht).'</span>';
 		print '</td>';
 
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td></td>';
 		}
 
diff --git a/htdocs/margin/tabs/productMargins.php b/htdocs/margin/tabs/productMargins.php
index 591038432c6..838ff109178 100644
--- a/htdocs/margin/tabs/productMargins.php
+++ b/htdocs/margin/tabs/productMargins.php
@@ -300,7 +300,7 @@ if ($id > 0 || !empty($ref)) {
 				// --------------------------------------------------------------------
 				print '<tr class="liste_titre liste_titre_filter">';
 				// Action column
-				if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+				if ($conf->main_checkbox_left_column) {
 					print '<th class="liste_titre center maxwidthsearch">';
 					$searchpicto = $form->showFilterButtons('left');
 					print $searchpicto;
@@ -362,7 +362,7 @@ if ($id > 0 || !empty($ref)) {
 				print '</th>';
 
 				// Action column
-				if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+				if (!$conf->main_checkbox_left_column) {
 					print '<th class="liste_titre center maxwidthsearch">';
 					$searchpicto = $form->showFilterButtons();
 					print $searchpicto;
@@ -373,7 +373,7 @@ if ($id > 0 || !empty($ref)) {
 
 				print '<tr class="liste_titre">';
 				// Action column
-				if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+				if ($conf->main_checkbox_left_column) {
 					print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', $param, '', $sortfield, $sortorder, 'maxwidthsearch center ');
 				}
 				print_liste_field_titre("Invoice", $_SERVER["PHP_SELF"], "f.ref", "", $param, '', $sortfield, $sortorder);
@@ -392,7 +392,7 @@ if ($id > 0 || !empty($ref)) {
 				}
 				print_liste_field_titre("Status", $_SERVER["PHP_SELF"], "f.paye,f.fk_statut", "", $param, '', $sortfield, $sortorder, 'right ');
 				// Action column
-				if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+				if (!$conf->main_checkbox_left_column) {
 					print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', $param, '', $sortfield, $sortorder, 'maxwidthsearch center ');
 				}
 				print "</tr>\n";
@@ -411,7 +411,7 @@ if ($id > 0 || !empty($ref)) {
 
 						print '<tr class="oddeven">';
 						// Action column
-						if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+						if ($conf->main_checkbox_left_column) {
 							print '<td class="nowrap center">';
 							print '</td>';
 						}
@@ -438,7 +438,7 @@ if ($id > 0 || !empty($ref)) {
 						print '<td class="right">'.$invoicestatic->LibStatut($objp->paye, $objp->statut, 5).'</td>';
 
 						// Action column
-						if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+						if (!$conf->main_checkbox_left_column) {
 							print '<td class="nowrap center">';
 							print '</td>';
 						}
@@ -462,7 +462,7 @@ if ($id > 0 || !empty($ref)) {
 				}
 				print '<tr class="liste_total">';
 				$colspan = 4;
-				if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+				if ($conf->main_checkbox_left_column) {
 					$colspan++; // add action column
 				}
 				print '<td colspan="'.$colspan.'">'.$langs->trans('TotalMargin')."</td>";
@@ -477,7 +477,7 @@ if ($id > 0 || !empty($ref)) {
 					print '<td class="right">'.(($markRate === '') ? 'n/a' : price(price2num($markRate, 'MT'))."%")."</td>\n";
 				}
 				print '<td class="right">&nbsp;</td>';
-				if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+				if (!$conf->main_checkbox_left_column) {
 					// add action column
 					print '<td class="center">';
 					print '</td>';
diff --git a/htdocs/margin/tabs/thirdpartyMargins.php b/htdocs/margin/tabs/thirdpartyMargins.php
index c4826b2a6c8..fa09a02fe42 100644
--- a/htdocs/margin/tabs/thirdpartyMargins.php
+++ b/htdocs/margin/tabs/thirdpartyMargins.php
@@ -321,7 +321,7 @@ if ($socid > 0) {
 		// --------------------------------------------------------------------
 		print '<tr class="liste_titre liste_titre_filter">';
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<th class="liste_titre center maxwidthsearch">';
 			$searchpicto = $form->showFilterButtons('left');
 			print $searchpicto;
@@ -371,7 +371,7 @@ if ($socid > 0) {
 		print '</th>';
 
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<th class="liste_titre center maxwidthsearch">';
 			$searchpicto = $form->showFilterButtons();
 			print $searchpicto;
@@ -382,7 +382,7 @@ if ($socid > 0) {
 
 		print '<tr class="liste_titre">';
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', $param, '', $sortfield, $sortorder, 'maxwidthsearch center ');
 		}
 		print_liste_field_titre("Invoice", $_SERVER["PHP_SELF"], "f.ref", "", $param, '', $sortfield, $sortorder);
@@ -398,7 +398,7 @@ if ($socid > 0) {
 		}
 		print_liste_field_titre("Status", $_SERVER["PHP_SELF"], "f.paye,f.fk_statut", "", $param, '', $sortfield, $sortorder, 'right ');
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', $param, '', $sortfield, $sortorder, 'maxwidthsearch center ');
 		}
 		print "</tr>\n";
@@ -421,7 +421,7 @@ if ($socid > 0) {
 
 				print '<tr class="oddeven">';
 				// Action column
-				if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+				if ($conf->main_checkbox_left_column) {
 					print '<td class="nowrap center">';
 					print '</td>';
 				}
@@ -446,7 +446,7 @@ if ($socid > 0) {
 				print '<td class="right">'.$invoicestatic->LibStatut($objp->paye, $objp->statut, 5).'</td>';
 
 				// Action column
-				if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+				if (!$conf->main_checkbox_left_column) {
 					print '<td class="nowrap center">';
 					print '</td>';
 				}
@@ -471,7 +471,7 @@ if ($socid > 0) {
 		// Total
 		print '<tr class="liste_total">';
 		$colspan = 2;
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td></td>';
 		}
 		print '<td colspan="'.$colspan.'">'.$langs->trans('TotalMargin')."</td>";
@@ -485,7 +485,7 @@ if ($socid > 0) {
 			print "<td class=\"right\">".(($markRate === '') ? '<span class="opacitymedium">'.$langs->trans("NA").'</span>' : price(price2num($markRate, 'MT'))."%")."</td>\n";
 		}
 		print '<td class="right">&nbsp;</td>';
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			// add action column
 			print '<td></td>';
 		}
diff --git a/htdocs/mrp/mo_list.php b/htdocs/mrp/mo_list.php
index 970c0a95875..bc4c6ab761e 100644
--- a/htdocs/mrp/mo_list.php
+++ b/htdocs/mrp/mo_list.php
@@ -717,7 +717,7 @@ if (!empty($moreforfilter)) {
 }
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN'));  // This also change content of $arrayfields with user setup
+$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column);  // This also change content of $arrayfields with user setup
 $selectedfields = ($mode != 'kanban' ? $htmlofselectarray : '');
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
@@ -729,7 +729,7 @@ print '<table class="tagtable nobottomiftotal liste'.($moreforfilter ? " listwit
 // --------------------------------------------------------------------
 print '<tr class="liste_titre_filter">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -785,7 +785,7 @@ $parameters = array('arrayfields' => $arrayfields);
 $reshook = $hookmanager->executeHooks('printFieldListOption', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -801,7 +801,7 @@ $totalarray['nbfield'] = 0;
 // --------------------------------------------------------------------
 print '<tr class="liste_titre">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -835,7 +835,7 @@ $parameters = array('arrayfields' => $arrayfields, 'param' => $param, 'sortfield
 $reshook = $hookmanager->executeHooks('printFieldListTitle', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -907,7 +907,7 @@ while ($i < $imaxinloop) {
 		print '<tr data-rowid="'.$object->id.'" class="oddeven row-with-select">';
 
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
@@ -996,7 +996,7 @@ while ($i < $imaxinloop) {
 		print $hookmanager->resPrint;
 
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
diff --git a/htdocs/mrp/mo_movements.php b/htdocs/mrp/mo_movements.php
index 5588eb3b88d..b8e49048c7e 100644
--- a/htdocs/mrp/mo_movements.php
+++ b/htdocs/mrp/mo_movements.php
@@ -596,7 +596,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 	}
 
 	$varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-	$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')); // This also change content of $arrayfields
+	$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column); // This also change content of $arrayfields
 	$selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
 	print '<div class="div-table-responsive">';
@@ -605,7 +605,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 	// Fields title search
 	print '<tr class="liste_titre_filter">';
 	// Actions
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print '<td class="liste_titre maxwidthsearch">';
 		$searchpicto = $form->showFilterAndCheckAddButtons(0);
 		print $searchpicto;
@@ -738,7 +738,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 		print '</td>';
 	}
 	// Actions
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print '<td class="liste_titre maxwidthsearch">';
 		$searchpicto = $form->showFilterAndCheckAddButtons(0);
 		print $searchpicto;
@@ -751,7 +751,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 
 	print '<tr class="liste_titre">';
 	// Action column
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ');
 		$totalarray['nbfield']++;
 	}
@@ -838,7 +838,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 		$totalarray['nbfield']++;
 	}
 	// Action column
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ');
 		$totalarray['nbfield']++;
 	}
@@ -901,7 +901,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 
 		print '<tr class="oddeven">';
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) { // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
@@ -1023,7 +1023,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 			print '</td>';
 		}
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) { // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
diff --git a/htdocs/product/inventory/list.php b/htdocs/product/inventory/list.php
index 87546f8b673..62041d3bf72 100644
--- a/htdocs/product/inventory/list.php
+++ b/htdocs/product/inventory/list.php
@@ -507,7 +507,7 @@ if (!empty($moreforfilter)) {
 }
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN'));  // This also change content of $arrayfields with user setup
+$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column);  // This also change content of $arrayfields with user setup
 $selectedfields = ($mode != 'kanban' ? $htmlofselectarray : '');
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
@@ -519,7 +519,7 @@ print '<table class="tagtable nobottomiftotal liste'.($moreforfilter ? " listwit
 // --------------------------------------------------------------------
 print '<tr class="liste_titre_filter">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -568,7 +568,7 @@ $parameters = array('arrayfields' => $arrayfields);
 $reshook = $hookmanager->executeHooks('printFieldListOption', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -583,7 +583,7 @@ $totalarray['nbfield'] = 0;
 // --------------------------------------------------------------------
 print '<tr class="liste_titre">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -611,7 +611,7 @@ $parameters = array('arrayfields' => $arrayfields, 'param' => $param, 'sortfield
 $reshook = $hookmanager->executeHooks('printFieldListTitle', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -667,7 +667,7 @@ while ($i < $imaxinloop) {
 		$j = 0;
 		print '<tr data-rowid="'.$object->id.'" class="oddeven row-with-select">';
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
@@ -737,7 +737,7 @@ while ($i < $imaxinloop) {
 		$reshook = $hookmanager->executeHooks('printFieldListValue', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 		print $hookmanager->resPrint;
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
diff --git a/htdocs/product/list.php b/htdocs/product/list.php
index 4d46b09d4bc..3d0566d4c5a 100644
--- a/htdocs/product/list.php
+++ b/htdocs/product/list.php
@@ -1097,7 +1097,7 @@ if (!empty($moreforfilter)) {
 }
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN'));  // This also change content of $arrayfields with user setup
+$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column);  // This also change content of $arrayfields with user setup
 $selectedfields = ($mode != 'kanban' ? $htmlofselectarray : '');
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
@@ -1108,7 +1108,7 @@ print '<table class="tagtable nobottomiftotal liste'.($moreforfilter ? " listwit
 // --------------------------------------------------------------------
 print '<tr class="liste_titre_filter">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -1412,7 +1412,7 @@ if (!empty($arrayfields['p.tobuy']['checked'])) {
 	print '</td>';
 }
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -1427,7 +1427,7 @@ $totalarray['nbfield'] = 0;
 // --------------------------------------------------------------------
 print '<tr class="liste_titre">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ');
 	$totalarray['nbfield']++;
 }
@@ -1653,7 +1653,7 @@ if (!empty($arrayfields['p.tobuy']['checked'])) {
 	$totalarray['nbfield']++;
 }
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ');
 	$totalarray['nbfield']++;
 }
@@ -1783,7 +1783,7 @@ while ($i < $imaxinloop) {
 		print '<tr data-rowid="'.$object->id.'" class="oddeven row-with-select">';
 
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
@@ -2437,7 +2437,7 @@ while ($i < $imaxinloop) {
 		}
 
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
diff --git a/htdocs/product/price_suppliers.php b/htdocs/product/price_suppliers.php
index b2f43ea82a7..3ba42a677a3 100644
--- a/htdocs/product/price_suppliers.php
+++ b/htdocs/product/price_suppliers.php
@@ -1008,7 +1008,7 @@ if ($id > 0 || $ref) {
 			include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
 			$varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-			$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')); // This also change content of $arrayfields
+			$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column); // This also change content of $arrayfields
 
 			print '<form action="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'" method="post" name="formulaire">';
 			print '<input type="hidden" name="token" value="'.newToken().'">';
@@ -1029,7 +1029,7 @@ if ($id > 0 || $ref) {
 			print '<tr class="liste_titre">';
 
 			// Action column
-			if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+			if ($conf->main_checkbox_left_column) {
 				print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', '', $sortfield, $sortorder, 'center maxwidthsearch actioncolumn ');
 				$nbfields++;
 			}
@@ -1138,7 +1138,7 @@ if ($id > 0 || $ref) {
 				$parameters = array('id_fourn' => (!empty($id_fourn) ? $id_fourn : ''), 'prod_id' => $object->id, 'nbfields' => $nbfields);
 				$reshook = $hookmanager->executeHooks('printFieldListTitle', $parameters, $object, $action);
 			}
-			if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+			if (!$conf->main_checkbox_left_column) {
 				print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', '', $sortfield, $sortorder, 'maxwidthsearch center ');
 				$nbfields++;
 			}
@@ -1149,7 +1149,7 @@ if ($id > 0 || $ref) {
 					print '<tr class="oddeven">';
 
 					// Action column
-					if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+					if ($conf->main_checkbox_left_column) {
 						print '<td class="center nowraponall">';
 						// EN: Allow editing and deletion when user can write supplier prices
 						if ($usercancreate) {
@@ -1340,7 +1340,7 @@ if ($id > 0 || $ref) {
 					}
 
 					// Modify-Remove
-					if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+					if (!$conf->main_checkbox_left_column) {
 						print '<td class="center nowraponall">';
 						// EN: Allow editing and deletion when user can write supplier prices
 						if ($usercancreate) {
diff --git a/htdocs/product/reassort.php b/htdocs/product/reassort.php
index d98a84c7629..e97e4e234e1 100644
--- a/htdocs/product/reassort.php
+++ b/htdocs/product/reassort.php
@@ -455,7 +455,7 @@ if ($resql) {
 	// Fields title search
 	print '<tr class="liste_titre_filter">';
 	// Action column
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print '<td class="liste_titre maxwidthsearch">';
 		$searchpicto = $form->showFilterAndCheckAddButtons(0);
 		print $searchpicto;
@@ -504,7 +504,7 @@ if ($resql) {
 	$colspan++;
 	print '<td class="liste_titre"></td>';
 	$colspan++;
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print '<td class="liste_titre maxwidthsearch">';
 		$searchpicto = $form->showFilterAndCheckAddButtons(0);
 		print $searchpicto;
@@ -516,7 +516,7 @@ if ($resql) {
 	// Line for column titles
 	print '<tr class="liste_titre">';
 	// Action column
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print_liste_field_titre('');
 	}
 	print_liste_field_titre("Ref", $_SERVER["PHP_SELF"], "p.ref", '', $param, "", $sortfield, $sortorder);
@@ -550,7 +550,7 @@ if ($resql) {
 	print_liste_field_titre("ProductStatusOnSell", $_SERVER["PHP_SELF"], "p.tosell", '', $param, "", $sortfield, $sortorder, 'right ');
 	print_liste_field_titre("ProductStatusOnBuy", $_SERVER["PHP_SELF"], "p.tobuy", '', $param, "", $sortfield, $sortorder, 'right ');
 	// Action column
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print_liste_field_titre('');
 	}
 	print "</tr>\n";
@@ -564,7 +564,7 @@ if ($resql) {
 
 		print '<tr>';
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td></td>';
 		}
 		print '<td class="tdoverflowmax250">';
@@ -649,7 +649,7 @@ if ($resql) {
 		print '<td class="right nowrap">'.$product->LibStatut($objp->statut, 5, 0).'</td>';
 		print '<td class="right nowrap">'.$product->LibStatut($objp->tobuy, 5, 1).'</td>';
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td></td>';
 		}
 
diff --git a/htdocs/product/reassortlot.php b/htdocs/product/reassortlot.php
index 1babcf9380e..442debd652a 100644
--- a/htdocs/product/reassortlot.php
+++ b/htdocs/product/reassortlot.php
@@ -604,7 +604,7 @@ print '<table class="tagtable nobottomiftotal liste'.($moreforfilter ? " listwit
 // --------------------------------------------------------------------
 print '<tr class="liste_titre_filter">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -657,7 +657,7 @@ $parameters = array();
 $reshook = $hookmanager->executeHooks('printFieldListOption', $parameters); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -672,7 +672,7 @@ $totalarray['nbfield'] = 0;
 // --------------------------------------------------------------------
 print '<tr class="liste_titre">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print_liste_field_titre('');
 }
 print_liste_field_titre("Ref", $_SERVER["PHP_SELF"], "p.ref", '', $param, "", $sortfield, $sortorder);
@@ -699,7 +699,7 @@ print_liste_field_titre("ProductStatusOnBuy", $_SERVER["PHP_SELF"], "p.tobuy", "
 $parameters = array('param' => $param, 'sortfield' => $sortfield, 'sortorder' => $sortorder);
 $reshook = $hookmanager->executeHooks('printFieldListTitle', $parameters); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print_liste_field_titre('');
 }
 print "</tr>\n";
@@ -759,7 +759,7 @@ while ($i < $imaxinloop) {
 	print '<tr>';
 
 	// Action column
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print '<td></td>';
 		if (!$i) {
 			$totalarray['nbfield']++;
@@ -890,7 +890,7 @@ while ($i < $imaxinloop) {
 	print $hookmanager->resPrint;
 
 	// Action column
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print '<td></td>';
 		if (!$i) {
 			$totalarray['nbfield']++;
diff --git a/htdocs/product/stats/facture.php b/htdocs/product/stats/facture.php
index e94345c3865..1eb48544c50 100644
--- a/htdocs/product/stats/facture.php
+++ b/htdocs/product/stats/facture.php
@@ -451,7 +451,9 @@ if ($id > 0 || !empty($ref)) {
 				print '<table class="tagtable liste listwithfilterbefore" width="100%">';
 				print '<tr class="liste_titre">';
 				// Action column
-				print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', 'align="center"', $sortfield, $sortorder, 'maxwidthsearch ');
+				if ($conf->main_checkbox_left_column) {
+					print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', 'align="center"', $sortfield, $sortorder, 'maxwidthsearch ');
+				}
 				print_liste_field_titre("Ref", $_SERVER["PHP_SELF"], "s.rowid", "", $option, '', $sortfield, $sortorder);
 				print_liste_field_titre("Company", $_SERVER["PHP_SELF"], "s.nom", "", $option, '', $sortfield, $sortorder);
 				print_liste_field_titre("CustomerCode", $_SERVER["PHP_SELF"], "s.code_client", "", $option, '', $sortfield, $sortorder);
@@ -463,6 +465,10 @@ if ($id > 0 || !empty($ref)) {
 				$parameters = array('param' => $option, 'sortfield' => $sortfield, 'sortorder' => $sortorder);
 				$reshook = $hookmanager->executeHooks('printFieldListTitle', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 				print $hookmanager->resPrint;
+				// Action column
+				if (!$conf->main_checkbox_left_column) {
+					print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', 'align="center"', $sortfield, $sortorder, 'maxwidthsearch ');
+				}
 				print "</tr>\n";
 
 				if ($num > 0) {
@@ -483,7 +489,7 @@ if ($id > 0 || !empty($ref)) {
 						print '<tr data-row-id="'.$invoicestatic->id.'" class="oddeven row-with-select status2">';
 
 						// Action column
-						if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+						if ($conf->main_checkbox_left_column) {
 							print '<td class="nowrap center">';
 							if (($massactionbutton || $massaction) && $contextpage != 'poslist') {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 								$selected = 0;
@@ -512,10 +518,29 @@ if ($id > 0 || !empty($ref)) {
 						$parameters = array();
 						$reshook = $hookmanager->executeHooks('printFieldListValue', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 						print $hookmanager->resPrint;
+
+						// Action column
+						if (!$conf->main_checkbox_left_column) {
+							print '<td class="nowrap center">';
+							if (($massactionbutton || $massaction) && $contextpage != 'poslist') {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
+								$selected = 0;
+								if (in_array($invoicestatic->id, $arrayofselected)) {
+									$selected = 1;
+								}
+								print '<input id="cb'.$invoicestatic->id.'" class="flat checkforselect" type="checkbox" name="toselect[]" value="'.$invoicestatic->id.'"'.($selected ? ' checked="checked"' : '').'>';
+							}
+							print '</td>';
+							if (!$i) {
+								$totalarray['nbfield']++;
+							}
+						}
+
 						print "</tr>\n";
 						$i++;
 					}
 				}
+
+				// Total line
 				print '<tr class="liste_total">';
 				if ($num < $limit && empty($offset)) {
 					print '<td>'.$langs->trans("Total").'</td>';
diff --git a/htdocs/product/stock/list.php b/htdocs/product/stock/list.php
index 27446540003..b0ac8a22ba9 100644
--- a/htdocs/product/stock/list.php
+++ b/htdocs/product/stock/list.php
@@ -542,7 +542,7 @@ if (!empty($moreforfilter)) {
 }
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN'));  // This also change content of $arrayfields with user setup
+$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column);  // This also change content of $arrayfields with user setup
 $selectedfields = ($mode != 'kanban' ? $htmlofselectarray : '');
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
@@ -553,7 +553,7 @@ print '<table class="tagtable nobottomiftotal liste'.($moreforfilter ? " listwit
 // --------------------------------------------------------------------
 print '<tr class="liste_titre_filter">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -626,7 +626,7 @@ if (!empty($arrayfields['t.statut']['checked'])) {
 }
 
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -640,7 +640,7 @@ $totalarray['nbfield'] = 0;
 // --------------------------------------------------------------------
 print '<tr class="liste_titre">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -697,7 +697,7 @@ if (!empty($arrayfields['t.statut']['checked'])) {
 }
 
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -748,7 +748,7 @@ while ($i < $imaxinloop) {
 		print '<tr data-rowid="'.$object->id.'" class="oddeven row-with-select">';
 
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) { // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
@@ -885,7 +885,7 @@ while ($i < $imaxinloop) {
 		}
 
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) { // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
diff --git a/htdocs/product/stock/movement_list.php b/htdocs/product/stock/movement_list.php
index 27e62f7f2f6..5d3800f02ae 100644
--- a/htdocs/product/stock/movement_list.php
+++ b/htdocs/product/stock/movement_list.php
@@ -1199,7 +1199,7 @@ if (!empty($moreforfilter)) {
 }
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN'));  // This also change content of $arrayfields with user setup
+$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column);  // This also change content of $arrayfields with user setup
 $selectedfields = ($mode != 'kanban' ? $htmlofselectarray : '');
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
@@ -1210,7 +1210,7 @@ print '<table class="tagtable nobottomiftotal liste'.($moreforfilter ? " listwit
 // --------------------------------------------------------------------
 print '<tr class="liste_titre_filter">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -1341,7 +1341,7 @@ if (!empty($arrayfields['m.tms']['checked'])) {
 	print '</td>';
 }
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -1356,7 +1356,7 @@ $totalarray['nbfield'] = 0;
 // --------------------------------------------------------------------
 print '<tr class="liste_titre">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -1424,7 +1424,7 @@ if (!empty($arrayfields['m.tms']['checked'])) {
 	print_liste_field_titre($arrayfields['m.tms']['label'], $_SERVER["PHP_SELF"], "m.tms", "", $param, '', $sortfield, $sortorder, 'center nowrap ');
 }
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -1531,7 +1531,7 @@ while ($i < $imaxinloop) {
 		$j = 0;
 		print '<tr data-rowid="'.$warehouse->id.'" class="oddeven">';
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
@@ -1666,7 +1666,7 @@ while ($i < $imaxinloop) {
 		print $hookmanager->resPrint;
 
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
diff --git a/htdocs/product/stock/productlot_list.php b/htdocs/product/stock/productlot_list.php
index 068a2c7dd44..cf796dfda56 100644
--- a/htdocs/product/stock/productlot_list.php
+++ b/htdocs/product/stock/productlot_list.php
@@ -483,7 +483,7 @@ if (!empty($moreforfilter)) {
 }
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')); // This also change content of $arrayfields
+$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column); // This also change content of $arrayfields
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
 print '<div class="div-table-responsive">';
@@ -494,7 +494,7 @@ print '<table class="tagtable nobottomiftotal liste'.($moreforfilter ? " listwit
 // --------------------------------------------------------------------
 print '<tr class="liste_titre_filter">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -546,7 +546,7 @@ print $hookmanager->resPrint;
  print '<td class="liste_titre"></td>';
  }*/
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -560,7 +560,7 @@ $totalarray['nbfield'] = 0;
 // Fields title label
 // --------------------------------------------------------------------
 print '<tr class="liste_titre">';
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print getTitleFieldOfList(($mode != 'kanban' ? $selectedfields : ''), 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 }
 foreach ($object->fields as $key => $val) {
@@ -587,7 +587,7 @@ $parameters = array('arrayfields' => $arrayfields, 'param' => $param, 'sortfield
 $reshook = $hookmanager->executeHooks('printFieldListTitle', $parameters, $object); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print getTitleFieldOfList(($mode != 'kanban' ? $selectedfields : ''), 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 }
 $totalarray['nbfield']++;
@@ -623,7 +623,7 @@ while ($i < $imaxinloop) {
 	$j = 0;
 	print '<tr data-rowid="'.$object->id.'" class="oddeven">';
 	// Action column
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print '<td class="nowrap center">';
 		if ($massactionbutton || $massaction) { // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 			$selected = 0;
@@ -695,7 +695,7 @@ while ($i < $imaxinloop) {
 	$reshook = $hookmanager->executeHooks('printFieldListValue', $parameters, $object); // Note that $action and $object may have been modified by hook
 	print $hookmanager->resPrint;
 	// Action column
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print '<td class="nowrap center">';
 		if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 			$selected = 0;
diff --git a/htdocs/product/stock/stockatdate.php b/htdocs/product/stock/stockatdate.php
index 3dd4a9d7224..ee252a32b3b 100644
--- a/htdocs/product/stock/stockatdate.php
+++ b/htdocs/product/stock/stockatdate.php
@@ -533,7 +533,7 @@ if ($ext == 'csv') {
 
 	// Fields title search
 	print '<tr class="liste_titre_filter">';
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print '<td class="liste_titre center maxwidthsearch">';
 		$searchpicto = $form->showFilterButtons('left');
 		print $searchpicto;
@@ -556,7 +556,7 @@ if ($ext == 'csv') {
 	print $hookmanager->resPrint;
 
 	// Action column
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print '<td class="liste_titre center maxwidthsearch">';
 		$searchpicto = $form->showFilterButtons();
 		print $searchpicto;
@@ -572,7 +572,7 @@ if ($ext == 'csv') {
 	// Lines of title
 	print '<tr class="liste_titre">';
 	// Action column
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print_liste_field_titre('', $_SERVER["PHP_SELF"], '', '', $param, '', $sortfield, $sortorder, 'left ');
 	}
 	print_liste_field_titre('ProductRef', $_SERVER["PHP_SELF"], 'p.ref', '', $param, '', $sortfield, $sortorder);
@@ -602,7 +602,7 @@ if ($ext == 'csv') {
 	print $hookmanager->resPrint;
 
 	// Action column
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print_liste_field_titre('', $_SERVER["PHP_SELF"], '', '', $param, '', $sortfield, $sortorder, 'right ');
 	}
 
@@ -712,7 +712,7 @@ while ($i < ($limit ? min($num, $limit) : $num)) {
 			print '<tr class="oddeven">';
 
 			// Action column
-			if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+			if ($conf->main_checkbox_left_column) {
 				print '<td class="left"></td>';
 			}
 
@@ -811,7 +811,7 @@ while ($i < ($limit ? min($num, $limit) : $num)) {
 			print $hookmanager->resPrint;
 
 			// Action column
-			if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+			if (!$conf->main_checkbox_left_column) {
 				print '<td class="right"></td>';
 			}
 
diff --git a/htdocs/product/stock/stocktransfer/stocktransfer_list.php b/htdocs/product/stock/stocktransfer/stocktransfer_list.php
index 17179a49d34..be65453d17f 100644
--- a/htdocs/product/stock/stocktransfer/stocktransfer_list.php
+++ b/htdocs/product/stock/stocktransfer/stocktransfer_list.php
@@ -477,7 +477,7 @@ if (!empty($moreforfilter)) {
 }
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN'));  // This also change content of $arrayfields with user setup
+$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column);  // This also change content of $arrayfields with user setup
 $selectedfields = ($mode != 'kanban' ? $htmlofselectarray : '');
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
@@ -489,7 +489,7 @@ print '<table class="tagtable nobottomiftotal liste'.($moreforfilter ? " listwit
 // --------------------------------------------------------------------
 print '<tr class="liste_titre_filter">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -538,7 +538,7 @@ $parameters = array('arrayfields' => $arrayfields);
 $reshook = $hookmanager->executeHooks('printFieldListOption', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -553,7 +553,7 @@ $totalarray['nbfield'] = 0;
 // --------------------------------------------------------------------
 print '<tr class="liste_titre">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -581,7 +581,7 @@ $parameters = array('arrayfields' => $arrayfields, 'param' => $param, 'sortfield
 $reshook = $hookmanager->executeHooks('printFieldListTitle', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 print $hookmanager->resPrint;
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -640,7 +640,7 @@ while ($i < $imaxinloop) {
 		print '<tr data-rowid="'.$object->id.'" class="oddeven">';
 
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) { // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
@@ -711,7 +711,7 @@ while ($i < $imaxinloop) {
 		$reshook = $hookmanager->executeHooks('printFieldListValue', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 		print $hookmanager->resPrint;
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) { // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
diff --git a/htdocs/projet/list.php b/htdocs/projet/list.php
index 8e12efbee88..b13cc71fd9c 100644
--- a/htdocs/projet/list.php
+++ b/htdocs/projet/list.php
@@ -1400,7 +1400,7 @@ if (!empty($moreforfilter)) {
 }
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN'));  // This also change content of $arrayfields with user setup
+$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column);  // This also change content of $arrayfields with user setup
 $selectedfields = (($mode != 'kanban' && $mode != 'kanbangroupby') ? $htmlofselectarray : '');
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
@@ -1412,7 +1412,7 @@ print '<table class="tagtable nobottomiftotal liste'.($moreforfilter ? " listwit
 // --------------------------------------------------------------------
 print '<tr class="liste_titre_filter">';
 // Action column left
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre maxwidthsearch" id="action_column_left">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -1650,7 +1650,7 @@ if (!empty($arrayfields['p.fk_statut']['checked'])) {
 	print '</td>';
 }
 // Action column right
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre maxwidthsearch" id="action_column_right">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -1664,7 +1664,7 @@ $totalarray['nbfield'] = 0;
 // Fields title label
 // --------------------------------------------------------------------
 print '<tr class="liste_titre">';
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -1812,7 +1812,7 @@ if (!empty($arrayfields['p.fk_statut']['checked'])) {
 	$totalarray['nbfield']++;
 }
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -2075,7 +2075,7 @@ while ($i < $imaxinloop) {
 		$j = 0;
 		print '<tr data-rowid="'.$object->id.'" class="oddeven row-with-select '.((getDolGlobalInt('MAIN_FINISHED_LINES_OPACITY') == 1 && $object->status > 1) ? 'opacitymedium' : '').'">';
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
@@ -2532,7 +2532,7 @@ while ($i < $imaxinloop) {
 			}
 		}
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td class="nowrap center">';
 			if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 				$selected = 0;
diff --git a/htdocs/projet/tasks.php b/htdocs/projet/tasks.php
index 546331f1580..3adb6c5e966 100644
--- a/htdocs/projet/tasks.php
+++ b/htdocs/projet/tasks.php
@@ -910,7 +910,7 @@ if ($action == 'create' && $user->hasRight('projet', 'creer') && (empty($object-
 
 	print '</form>';
 } elseif ($id > 0 || !empty($ref)) {
-	$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')); // This also change content of $arrayfields
+	$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column); // This also change content of $arrayfields
 
 	// Projet card in view mode
 
@@ -993,7 +993,7 @@ if ($action == 'create' && $user->hasRight('projet', 'creer') && (empty($object-
 	print '<tr class="liste_titre_filter">';
 
 	// Action column
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print '<td class="liste_titre maxwidthsearch">';
 		$searchpicto = $form->showFilterButtons();
 		print $searchpicto;
@@ -1124,7 +1124,7 @@ if ($action == 'create' && $user->hasRight('projet', 'creer') && (empty($object-
 	print '<td class="liste_titre maxwidthsearch">&nbsp;</td>';
 
 	// Action column
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print '<td class="liste_titre maxwidthsearch">';
 		$searchpicto = $form->showFilterButtons();
 		print $searchpicto;
@@ -1135,7 +1135,7 @@ if ($action == 'create' && $user->hasRight('projet', 'creer') && (empty($object-
 
 	print '<tr class="liste_titre nodrag nodrop">';
 	// Action column
-	if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if ($conf->main_checkbox_left_column) {
 		print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ');
 	}
 	// print '<td>'.$langs->trans("Project").'</td>';
@@ -1203,7 +1203,7 @@ if ($action == 'create' && $user->hasRight('projet', 'creer') && (empty($object-
 	print $hookmanager->resPrint;
 	print '<td></td>';
 	// Action column
-	if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+	if (!$conf->main_checkbox_left_column) {
 		print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ');
 	}
 	print "</tr>\n";
diff --git a/htdocs/projet/tasks/list.php b/htdocs/projet/tasks/list.php
index 5822ee291b5..950cafb88d8 100644
--- a/htdocs/projet/tasks/list.php
+++ b/htdocs/projet/tasks/list.php
@@ -304,7 +304,7 @@ if ($search_task_user > 0) {
 
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')); // This also change content of $arrayfields
+$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column); // This also change content of $arrayfields
 
 
 if ($id) {
@@ -842,7 +842,7 @@ if (!empty($moreforfilter)) {
 }
 
 $varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN'));  // This also change content of $arrayfields with user setup
+$htmlofselectarray = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column);  // This also change content of $arrayfields with user setup
 $selectedfields = ($mode != 'kanban' ? $htmlofselectarray : '');
 $selectedfields .= (count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
@@ -853,7 +853,7 @@ print '<table class="tagtable nobottomiftotal liste'.($moreforfilter ? " listwit
 // --------------------------------------------------------------------
 print '<tr class="liste_titre_filter">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons('left');
 	print $searchpicto;
@@ -991,7 +991,7 @@ if (!empty($arrayfields['t.tms']['checked'])) {
 	print '</td>';
 }
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print '<td class="liste_titre center maxwidthsearch">';
 	$searchpicto = $form->showFilterButtons();
 	print $searchpicto;
@@ -1025,7 +1025,7 @@ $totalarray = array(
 // --------------------------------------------------------------------
 print '<tr class="liste_titre">';
 // Action column
-if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if ($conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -1131,7 +1131,7 @@ if (!empty($arrayfields['t.tms']['checked'])) {
 	$totalarray['nbfield']++;
 }
 // Action column
-if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+if (!$conf->main_checkbox_left_column) {
 	print getTitleFieldOfList($selectedfields, 0, $_SERVER["PHP_SELF"], '', '', '', '', $sortfield, $sortorder, 'center maxwidthsearch ')."\n";
 	$totalarray['nbfield']++;
 }
@@ -1215,7 +1215,7 @@ while ($i < $imaxinloop) {
 			print '<tr data-rowid="'.$object->id.'" class="oddeven row-with-select">';
 
 			// Action column
-			if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+			if ($conf->main_checkbox_left_column) {
 				print '<td class="nowrap center">';
 				if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 					$selected = 0;
@@ -1590,7 +1590,7 @@ while ($i < $imaxinloop) {
 				print '<td class="right">'.$projectstatic->getLibStatut(5).'</td>';
 			}*/
 			// Action column
-			if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+			if (!$conf->main_checkbox_left_column) {
 				print '<td class="nowrap center">';
 				if ($massactionbutton || $massaction) {   // If we are in select mode (massactionbutton defined) or if we have already selected and sent an action ($massaction) defined
 					$selected = 0;
diff --git a/htdocs/projet/tasks/time.php b/htdocs/projet/tasks/time.php
index 129548b598a..206f66a1167 100644
--- a/htdocs/projet/tasks/time.php
+++ b/htdocs/projet/tasks/time.php
@@ -1595,7 +1595,7 @@ if (($id > 0 || !empty($ref)) || $projectidforalltimes > 0 || $allprojectforuser
 		$tasks = array();
 
 		$varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-		$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')); // This also change content of $arrayfields
+		$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column); // This also change content of $arrayfields
 
 		// If project has usage "Bill time", we force visibility of field "billed"
 		if ($projectstatic->usage_bill_time) {
@@ -1933,7 +1933,7 @@ if (($id > 0 || !empty($ref)) || $projectidforalltimes > 0 || $allprojectforuser
 		}
 
 		$varpage = empty($contextpage) ? $_SERVER["PHP_SELF"] : $contextpage;
-		$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')); // This also change content of $arrayfields
+		$selectedfields = $form->multiSelectArrayWithCheckbox('selectedfields', $arrayfields, $varpage, $conf->main_checkbox_left_column); // This also change content of $arrayfields
 		$selectedfields .= (is_array($arrayofmassactions) && count($arrayofmassactions) ? $form->showCheckAddButtons('checkforselect', 1) : '');
 
 		// If project has usage "Bill time", we force visibility of field "billed"
@@ -1949,7 +1949,7 @@ if (($id > 0 || !empty($ref)) || $projectidforalltimes > 0 || $allprojectforuser
 		// --------------------------------------------------------------------
 		print '<tr class="liste_titre_filter">';
 		// Action column
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print '<td class="liste_titre center">';
 			$searchpicto = $form->showFilterButtons('left');
 			print $searchpicto;
@@ -2050,7 +2050,7 @@ if (($id > 0 || !empty($ref)) || $projectidforalltimes > 0 || $allprojectforuser
 		$reshook = $hookmanager->executeHooks('printFieldListOption', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 		print $hookmanager->resPrint;
 		// Action column
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print '<td class="liste_titre center">';
 			$searchpicto = $form->showFilterButtons();
 			print $searchpicto;
@@ -2065,7 +2065,7 @@ if (($id > 0 || !empty($ref)) || $projectidforalltimes > 0 || $allprojectforuser
 		// Fields title label
 		// --------------------------------------------------------------------
 		print '<tr class="liste_titre">';
-		if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if ($conf->main_checkbox_left_column) {
 			print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', $param, '', $sortfield, $sortorder, 'center maxwidthsearch ');
 			$totalarray['nbfield']++;
 		}
@@ -2139,7 +2139,7 @@ if (($id > 0 || !empty($ref)) || $projectidforalltimes > 0 || $allprojectforuser
 		$parameters = array('arrayfields' => $arrayfields, 'param' => $param, 'sortfield' => $sortfield, 'sortorder' => $sortorder);
 		$reshook = $hookmanager->executeHooks('printFieldListTitle', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
 		print $hookmanager->resPrint;
-		if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+		if (!$conf->main_checkbox_left_column) {
 			print_liste_field_titre($selectedfields, $_SERVER["PHP_SELF"], "", '', $param, '', $sortfield, $sortorder, 'center maxwidthsearch ');
 			$totalarray['nbfield']++;
 		}
@@ -2175,7 +2175,7 @@ if (($id > 0 || !empty($ref)) || $projectidforalltimes > 0 || $allprojectforuser
 			print '<tr data-rowid="'.$task_time->rowid.'" class="oddeven">';
 
 			// Action column
-			if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+			if ($conf->main_checkbox_left_column) {
 				print '<td class="center nowraponall">';
 				if (($action == 'editline' || $action == 'splitline') && GETPOSTINT('lineid') == $task_time->rowid) {
 					print '<input type="hidden" name="lineid" value="' . GETPOSTINT('lineid') . '">';
@@ -2566,7 +2566,7 @@ if (($id > 0 || !empty($ref)) || $projectidforalltimes > 0 || $allprojectforuser
 			print $hookmanager->resPrint;
 
 			// Action column
-			if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+			if (!$conf->main_checkbox_left_column) {
 				print '<td class="center nowraponall">';
 				if (($action == 'editline' || $action == 'splitline') && GETPOSTINT('lineid') == $task_time->rowid) {
 					print '<input type="hidden" name="lineid" value="'.GETPOSTINT('lineid').'">';
@@ -2626,7 +2626,7 @@ if (($id > 0 || !empty($ref)) || $projectidforalltimes > 0 || $allprojectforuser
 				print '<tr class="oddeven">';
 
 				// Action column
-				if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+				if ($conf->main_checkbox_left_column) {
 					print '<td></td>';
 				}
 
@@ -2783,7 +2783,7 @@ if (($id > 0 || !empty($ref)) || $projectidforalltimes > 0 || $allprojectforuser
 				print $hookmanager->resPrint;
 
 				// Action column
-				if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+				if (!$conf->main_checkbox_left_column) {
 					print '<td class="center nowraponall">';
 					print '</td>';
 				}
@@ -2796,7 +2796,7 @@ if (($id > 0 || !empty($ref)) || $projectidforalltimes > 0 || $allprojectforuser
 				print '<!-- second line --><tr class="oddeven">';
 
 				// Action column
-				if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+				if ($conf->main_checkbox_left_column) {
 					print '<td class="center nowraponall">';
 					print '</td>';
 				}
@@ -2958,7 +2958,7 @@ if (($id > 0 || !empty($ref)) || $projectidforalltimes > 0 || $allprojectforuser
 				print $hookmanager->resPrint;
 
 				// Action column
-				if (!getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
+				if (!$conf->main_checkbox_left_column) {
 					print '<td class="center nowraponall">';
 					print '</td>';
 				}