   </select>

    <div id="plota" style="width: 100%; height: 90%"></div>
</div>

<div class = "six columns">
    <select id="plotb_select">
        <option value="shared_hets">shared hets</option>
        <option value="shared_hom_alts">shared hom-alts</option>
        <option value="concordance" selected >homozygous concordance</option>
        <option value="relatedness">relatedness</option>
        <option value="ibs0">IBS0</option>
        <option value="ibs2">IBS2</option>
    </select>

    <div id="