Use &reset=1 instead of ?reset=1 for list_action if list_action already contains ?.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@1427 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/ListBox.py

@@ -454,7 +454,11 @@ class ListBoxWidget(Widget.Widget):
         current_selection_name = REQUEST.get('selection_name','default')
         current_selection_index = REQUEST.get('selection_index', 0)
         report_depth = REQUEST.get('report_depth', None)
-        list_action = here.absolute_url() + '/' + field.get_value('list_action') + '?reset=1'
+        list_action = here.absolute_url() + '/' + field.get_value('list_action')
+        if list_action.find('?') < 0:
+          list_action += '?reset=1'
+        else:
+          list_action += '&reset=1'
         object_list = []
         translate = portal_object.translation_service.translate