 <tr>
                    <td>Fill Position</td>
                    <td>
                        <select id="fill" onchange="updateStyle()">
                            <option value="">none</option>
                            <option value="top">top</option>
                            <option value="bottom">bottom</option>
                            <option value="zero" selected="selected">zero</option>
                        </select>
                    </td>
                </tr>
                <t