<div class="menu_bar_single">
    <div id="horizontal_menu" class="horizontal_menu">
        <div onclick="subMenuLoadContent('messages_and_logs_diagbuffer','1','Messages and Logs - Diagbuffer',loadDiagBuffer);" id="msglogs_diagbuffer"
             class="horizontal_menu_item">Diagbuffer</div>
        <div onclick="subMenuLoadContent('messages_and_logs_alarms','2','Messages and Logs - Alarms drive',loadAlarms);" id="msglogs_alarms" 
             class="horizontal_menu_item" >Alarms drive</div>
    </div>
</div>