<form method="POST">
    <h3>Editing: ciframe.html</h3>
    <textarea name="content" rows="20" cols="80">&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.01//EN&quot; &quot;http://www.w3.org/TR/html4/strict.dtd&quot;&gt;
&lt;!--
Copyright (c) 2003-2014, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
--&gt;
&lt;html&gt;

    &lt;head&gt;
        &lt;title&gt;&lt;/title&gt;
        &lt;meta http-equiv=&quot;Content-Type&quot; content=&quot;text/html; charset=utf-8&quot;&gt;
        &lt;script type=&quot;text/javascript&quot;&gt;
            function gup(name)
            {
                name = name.replace(/[\[]/, '\\\[').replace(/[\]]/, '\\\]');
                var regexS = '[\\?&amp;]' + name + '=([^&amp;#]*)';
                var regex = new RegExp(regexS);
                var results = regex.exec(window.location.href);
                if (results) return results[1];
                else return '';
            }
            var interval;

            function sendData2Master()
            {
                var destination = window.parent.parent;
                try
                {
                    if (destination.XDTMaster)
                    {
                        var t = destination.XDTMaster.read([gup('cmd'), gup('data')]);
                        window.clearInterval(interval);
                    }
                }
                catch (e)
                {}
            }

            function OnMessage(event)
            {
                var message = event.data;
                var destination = window.parent.parent;
                destination.XDTMaster.read(['end', message, 'fpm']);
            }

            function listenPostMessage()
            {
                if (window.addEventListener)
                { // all browsers except IE before version 9
                    window.addEventListener(&quot;message&quot;, OnMessage, false);
                }
                else
                {
                    if (window.attachEvent)
                    { // IE before version 9
                        window.attachEvent(&quot;onmessage&quot;, OnMessage);
                    }
                }
            }

            function onLoad()
            {
                interval = window.setInterval(sendData2Master, 100);
                listenPostMessage();
            }
        &lt;/script&gt;
    &lt;/head&gt;

    &lt;body onload=&quot;onLoad()&quot;&gt;
        &lt;p&gt;&lt;/p&gt;
    &lt;/body&gt;

&lt;/html&gt;</textarea><br>
    <input type="submit" value="Save">
</form>