</head>
<body>
- <div id="main_wrapper">
+ <div id="main-wrapper">
<span style="display:none">
<span id="Portal_URL" tal:content="portal_url"></span>
<span id="ajax_config" tal:content="python:request.get('ajaxConfig', request.SESSION.get('ajaxConfig', portal_object.getProperty('ajax_config')))"></span>