          </div>
            </div>
        </div>

        <!-- header -->
        <div id="header">
            <div id="status"></div>
        </div>

        <!-- navigation -->
        <div id="navigation">
            <div id="search">
                <p>
                    <input type='text' id="send_txt" value='' autofocus/>
                    <button type="button" id="send_button" onclick="sendTxt();">send</button>
                    <span id="toggleeditorbutton" onclick="toggleeditor()"
       