Problème html calendrier

<li id="calendar">
<h2>Calendrier</h2>
<div id="calendar_wrap">
<table summary="Calendar">
<caption>
March 2009
</caption>
<thead>
<tr>
<th abbr="Monday" scope="col" title="Lundi">M</th>
<th abbr="Tuesday" scope="col" title="Mardi">T</th>
<th abbr="Wednesday" scope="col" title="Mercredi">W</th>
<th abbr="Thursday" scope="col" title="Jeudi">T</th>
<th abbr="Friday" scope="col" title="Vendredi">F</th>
<th abbr="Saturday" scope="col" title="Samedi">S</th>
<th abbr="Sunday" scope="col" title="Dimanche">S</th>
</tr>
</thead>
<tfoot>
<tr>
<td abbr="February" colspan="3" id="prev"><a href="#" title="">&laquo; Fevrier</a></td>
<td class="pad">&nbsp;</td>
<td abbr="April" colspan="3" id="next"><a href="#" title="">Avril &raquo;</a></td>
</tr>
</tfoot>
<tbody>
	<tr>
<td colspan="5" class="pad">&nbsp;</td>
	<td>1</td>
<td>2</td>
</tr>
<tr>
<td>3</td>
<td>4</td>
<td>5</td>
<td>6</td>
<td>7</td>
<td>8</td>
<td>9</td>
</tr>
<tr>
<td>10</td>
<td id="today">11</td>
<td>12</td>
<td>13</td>
<td>14</td>
<td>15</td>
<td>16</td>
</tr>
<tr>
<td>17</td>
<td>18</td>
<td>19</td>
<td>20</td>
<td>21</td>
<td>22</td>
<td>23</td>
</tr>
<tr>
<td>24</td>
<td>25</td>
<td>26</td>
<td>27</td>
<td>28</td>
<td>29</td>
<td>30</td>
</tr>
<tr>
<td>31</td>
<td class="pad" colspan="6">&nbsp;</td>
</tr>
</tbody>
</table>
	</div>
</li>