I am getting an error, unless I put all the html on one line, which I don't want to do.
$(this).closest('tr').after(
    '<tr>
        <td></td>
        <td></td>
        <td></td>
        <td></td>
        <td></td>
        <td></td>
        <td></td>
        <td></td>
    </tr>'
);
