//added checkbox for all zones

controllers/admin/AdminCarrierWizardController.php

@@ -81,7 +81,6 @@ class AdminCarrierWizardControllerCore extends AdminController
 			$multistore_step = array(
 				array(
 					'title' => $this->l('MultiStore'),
-					'desc' => $this->l('MultiStore'),
 				)
 			);
 			array_splice($this->wizard_steps['steps'], 1, 0, $multistore_step);

js/admin_carrier_wizard.js

@@ -587,4 +587,12 @@ function getCorrectRangePosistion(current_inf, current_sup)
 			new_position = index;
 	});
 	return new_position;
+}
+
+function checkAllZones(elt)
+{
+	if($(elt).is(':checked'))
+		$('.input_zone').attr('checked', 'checked');
+	else
+		$('.input_zone').removeAttr('checked');
 }