xhtml_style: disable installDoubleSubmitDialogPrevention in formwizard case.

product/ERP5/bootstrap/erp5_xhtml_style/SkinTemplateItem/portal_skins/erp5_xhtml_style/erp5.js.js

@@ -359,13 +359,14 @@ function installDoubleSubmitDialogPrevention(confirmation_message) {
   /* Install an handler to prevent submitting a dialog twice. */
   $(document).ready( function() {
     $(".dialog_submit_button").on("click", function(e){
+      if ($(this).val() != "Next") {
         $(this).on("click.confirm", function(event) {
           $(this).off(".confirm");
           if (! confirm(confirmation_message) ) {
             event.preventDefault();
           }
         });
+      }
     });
   });
 }
-