get default value for listbox limit if no selection found

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@28035 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_banking_check/SkinTemplateItem/portal_skins/erp5_banking_check_operation/ListBox_listCheckbook.xml

@@ -74,8 +74,8 @@ node = context.getBaobabSource()\n
 destination_payment = request.get(\'destination_payment\', None)\n
 \n
 # retrieve listbox limit\n
-nb_lines = int(kw.get(\'list_lines\'))\n
-limit_start = int(kw.get(\'list_start\'))\n
+nb_lines = int(kw.get(\'list_lines\', 20))\n
+limit_start = int(kw.get(\'list_start\', 0))\n
 limit = limit_start, nb_lines\n
 \n
 simulation_state = None\n

bt5/erp5_banking_check/bt/revision

-428
+430
\ No newline at end of file