CKEditor

HTML

<script src="http://ckeditor.com/apps/ckeditor/4.0/ckeditor.js"></script>
<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.0/css/bootstrap-combined.min.css">
<script src="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.0/js/bootstrap.min.js"></script>
<div id='e'>
    <div id='e1'>
        <textarea id="editor1"></textarea>
    </div>
    <div id='e2'>
        <textarea id="editor2"></textarea>
    </div>
</div>

CSS

#e1 {background: blue; padding:10px}
#e2 {background: red; padding:10px}

JavaScript

CKEDITOR.replace('editor1');

CKEDITOR.replace('editor2');

$("#e").sortable();