 bytes.';
        st += '<br>UDP buffer btw network & assembler threads: ' + udpringsize
            + ' of ' + udpringmax + ' packets';
        $('#node_status_' + i).html(st);

        ch = node['chunks'];
        if (ch == null)
            continue;

        // Show chunk numbers, not fpga counts.
        var Nchunk = 1024 * 400;

        // How much space to leave between bars, in *pixels*
        //var barspacer = 1;
        var barspacer = 2;

        var chunk_lo = [];
        var chunk_hi = [];
   