pgrade Guide</a><br/>
        <a href="devnotes.htm">Notes for Developers</a>
    </div>
    <div id="toc_controls"></div>
    <div id="toc_parent">
        <div id="toc">
            <!-- The table of contents will be injected here -->
        </div>
    </div>
</div>

<div class="main">

    <div class="header">
        <div class="logoref">
            <a href='http://weewx.com'> <img src='images/logo-weewx.png' class='logo' align='right' alt="weewx logo"/>
            </a><br/> <span class='version'>
Ve