gistfile1.html

<p class="custom-dialog-content">
    foo
</p>
<p class="custom-dialog-content">
    and
</p>
<p class="custom-dialog-content">
    bar
</p>
<p class="custom-dialog-content">
    makes
</p>
<p class="custom-dialog-content">
    foobar
</p>
<script type="text/javascript">
    $(function() {
        $(".custom-dialog-content").dialog2({
            title: "Alert", 
            id: "alert2",
            autoOpen: false,
            buttons: {
                Close: { 
                    primary: true, 
                    click: function() {
                        $(this).dialog2("close");
                    }
                }
            }, 
            removeOnClose: false
        });
    });
</script>