Como activar por DIVs parte de un contenido de un formulario en javascript

[Sumerio]

Hola primero tengo un checkbox donde al hacer click me activar la vista de este formulario, que por ahora va estar oculto.

Código:

 }
 <s:checkbox name="beans.MetaliferaMena"/>

<table width="1063" border=0 cellpadding=0 cellspacing=0 bordercolor=#000000">
	  <tr>
	    <td width="255"></td>
	    <td width="182"></td>
	    <td width="57"></td>
	    <td width="273"></td>
	    <td width="353"></td>
	  </tr>
	  <tr>
	    <td rowspan="6" class="sytle25"><span class="style17 style21 style20">Cuerpo de agua receptor</span></td>
	    <td colspan="5" class="sytle25">
	     </td>
	  </tr>
	  <tr>
	    <td colspan="5" class="sytle25"><table width="695" border="0">
	      <tr>
	          <td width="163" valign="middle" class="style14 style21 style20">Caudal estimado (l/s):</td>
	          <td width="176" align="center" valign="middle" class="style14 style21 style20"><input name="txtUnidTel36" type="text" width="120" /></td>
	          <td width="132" align="center" valign="middle" class="style14 style21 style20">N&deg; Orden:</td>
	          <td width="206" align="center" valign="middle" class="style14 style21 style20"><input name="txtUnidTel35" type="text" width="120" /></td>
	          </tr>
	    </table></td>
	  </tr>
	  <tr>
	    <td colspan="5" class="sytle25"><table width="721" border="0">
	      <tr>
	        <td width="229" align="left" valign="middle" class="style14 style21 style20">Nombre del cuerpo de agua:</td>
	        <td width="482" align="left" valign="middle" class="style14 style21 style20"><input name="txtUnidTel35" type="text" width="250" /></td>
	      </tr>
	    </table></td>
	  </tr>
	  <tr>
	    <td colspan="5" class="sytle25"><table width="721" border="0">
	      <tr>
	        <td width="229" align="left" valign="middle" class="style14 style21 style20">Distancia al PAM (km):</td>
	        <td width="482" align="left" valign="middle" class="style14 style21 style20"><input name="txtUnidTel35" type="text" width="250" /></td>
	      </tr>
	    </table></td>
	  </tr>
	  <tr>
	    <td colspan="2" class="sytle25"><span class="style21 style20">R&eacute;gimen</span></td>
	    <td colspan="4" class="sytle25"><table width="604" height="29" border="0">
	      <tr>
	        <td width="175" class="style14">Permanente</td>
	        <td width="58"><input type="radio" ></td>
	        <td width="206" class="style14">Estacional</td>
	        <td width="59" align="center"><input type="radio" ></td>
	      </tr>
	    </table></td>
	  </tr>
	  <tr>
	    <td class="sytle25"><span class="style17 style21 style20">Uso actual del agua</span></td>
	    <td colspan="5" class="sytle25"><table width="840" height="74" border="0">
	      <tr>
	        <td width="198" class="style14">Dom&eacute;stico</td>
	        <td width="67" class="style14"><input type="radio" ></td>
	        <td width="182" class="style14">Agr&iacute;cola</td>
	        <td width="57" class="style14"><input type="radio" ></td>
	        <td width="203" class="style14">Minero</td>
	        <td width="67" align="center" class="style14"><input type="radio" ></td>
	        </tr>
	      <tr>
	        <td class="style14">Energ&eacute;tico</td>
	        <td class="style14"><input type="radio" ></td>
	        <td class="style14">Ganader&iacute;a</td>
	        <td class="style14"><input type="radio" ></td>
	        <td class="style14">Navegaci&oacute;n</td>
	        <td width="67" align="center" class="style14"><input type="radio" ></td>
	        </tr>
	      <tr>
	        <td class="style14">Manufactura</td>
	        <td class="style14"><input type="radio" ></td>
	        <td class="style14">Pesca</td>
	        <td class="style14"><input type="radio" ></td>
	        <td class="style14">Tur&iacute;stico</td>
	        <td width="67" align="center" class="style14"><input type="radio" ></td>
	        </tr>
	      </table></td>
	  </tr>
	</table>

Lo que quiero poder ocultar y desocultar la vista de este tabla por medio de DIVs, activandolo por un checkbox.