Probleme infobulle dans un tableau

<table class="nomb table-style01">
<tr>
<th><font color="#FFFFFF">Nom / Désignation</font></th>
<th><font color="#FFFFFF">Constructeur</font></th>
<th><div align="center"><font color="#FFFFFF">Pays d'origine</font></div></th>
</tr>
<tr>
<td><a href="#" class="info">Harfang/Eagle One<span><img src="design/photos_infobulle/harfang.png" /> <u>EADS/IAI Harfang/Eagle One<br>Drône tactique<br>France/Israël - 2008</u></span></a></td>
<td>EADS/IAI</td>
<td><div align="center"><img src="design/flags_icons/france32.png" width="25" />
<img src="design/flags_icons/israel32.png" width="25" height="20" />
</div></td>
</tr>
<tr class="bg">
<td><a href="#" class="info">MQ-8 Fire Scout<span><img src="design/photos_infobulle/fire_scout.png" /> <u>Northrop Grumman MQ-8 Fire Scout<br>Drône hélicoptère<br>Etats-Unis - 2003</u></span></a></td>
<td>Northrop Grumman</td>
<td><div align="center"><img src="design/flags_icons/usa32.png" width="25" /></div></td>
</tr>
<tr>
<td><a href="#" class="info">MQ-9 Reaper<span><img src="design/photos_infobulle/reaper.png" /> <u>General Atomics MQ-9 Reaper<br>Drône de combat<br>Etats-Unis</u></span></a></td>
<td>General Atomics</td>
<td><div align="center"><img src="design/flags_icons/usa32.png" width="25" /></div></td>
</tr>
<tr class="bg">
<td><a href="#" class="info">RQ-1 Predator</a></td>
<td>General Atomics</td>
<td><div align="center"><img src="design/flags_icons/usa32.png" width="25" /></div></td>
</tr>
<tr>
<td><a href="#" class="info">RQ-2 Pioneer</a></td>
<td>General Atomics</td>
<td><div align="center"><img src="design/flags_icons/usa32.png" width="25" /></div></td>
</tr>
<tr class="bg">
<td><a href="#" class="info">RQ-4 Global Hawk</a></td>
<td>General Atomics</td>
<td><div align="center"><img src="design/flags_icons/usa32.png" width="25" /></div></td>
</tr>
<tr>
<td><a href="#" class="info">RQ-7 Shadow</a></td>
<td>General Atomics</td>
<td><div align="center"><img src="design/flags_icons/usa32.png" width="25" /></div></td>
</tr>
</table>