<tr>
<td align="center"><button id="add_flowspace" type="button" style="height: 25px; width: 300px;" onclick="fnAddflowspace()">Define another packet flowspace</button></td>
- <td align="center"><button id="add_opt_flowspace" type="button" style="height: 25px; width: 300px" onclick="fnAddcflowspace()" disabled>Define another optical flowspace</button></td>'
+ <td align="center"><button id="add_opt_flowspace" type="button" style="height: 25px; width: 300px" onclick="fnAddcflowspace()">Define another optical flowspace</button></td>'
</tr>