<table>
        <tr>
            <td> <-------- dynamic width & hight
                <commandLink>
                <div> <---------- I cannot click this <div>  as link, cau provide me?
                    //nod ata
                </div>
                </comandlink>
            </td>
        </tr>
    </table>

td div {
   width: 100%;
   height : 100%;
}

td div#your-id a {
   display : block;
   width: 100%;
   height : 100%;
}