<script src="http://www.google.com/jsapi"></script>  
<script>  
     // Load jQuery  
     google.load("jquery", "1.3.2");  
</script>
<script src="r/insum/files/static/v2Y/jquery.apexpage-0.0.2.js"></script>
<script>
    $().ready(function() {
        $('.t4messages').displayMessages({
             _title: '2 errors on page'
            ,_items: ['error 1', 'error 2']
            ,_id: 'message'
            ,_class: 't4notification'
            ,_close_icon: '/i/delete.gif'
        });
        //$.alertMessages();
    });  
</script>