false)">Deselect Range</button>
        <button id="invertsel" onclick="invertsel()">Invert Selection</button>
        </div><div style="padding: 2px; margin-top: 6px;">
        <button onclick="erasesel()">Erase Selected</button>
        <button onclick="prunesel()">Prune To Selected</button>
        <button onclick="shufflesel()">Shuffle Selected</button>
        <button id="ngram" onclick="displayngram()">Calc. N-Gram</button>
        </div>
    </div>
    <div id="panel4" style="padding:2px; di