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      <td>                <table border="0" cellspacing="0" cellpadding="0" width="90" align="left">                 <tr>                    <td width="4"><img src="../img/vide.gif" width="1" height="1"></td>                   <td width="106"><img src="../img/listein1.gif" width="106" height="20"></td>                 </tr>                 <tr>                    <td>&nbsp; </td>                   <td>                      <table width="100%" border="0" cellpadding="0" cellspacing="0">                       <tr>                          <td>                            <input type="text" name="textfield" size="10">                         </td>                         <td width="5"><img src="../img/vide.gif" width="1" height="1"></td>                         <td width="25"><a href="index.htm#"><img src="../img/okin1.gif" width="25" height="25" border="0"></a></td>                       </tr>                     </table>                   </td>                 </tr>               </table>             </td>           </tr>           <tr>              <td><img src="../img/separe2.gif" width="139" height="23"></td>           </tr>         </table>       </td>       <td background="../img/fdin2.gif" width="100%" valign="top">          <table border="0" cellspacing="0" cellpadding="0" height="42" width="454">           <tr>              <td><img src="../img/vide.gif" width="454" height="15"></td>           </tr>           <tr>              <td valign="top" class="titre"><img src="../img/point.gif" width="23" height="27" align="top">Le                cycle de l'eau</td>           </tr>         </table>         <br>         <table width="97%" border="0" cellspacing="0" cellpadding="0" align="center">           <tr>              <td>L'eau circule en permanence dans l'atmosph&egrave;re                sur la terre et sous la terre, entra&icirc;n&eacute;e dans un cycle                sans fin. Sous l'effet de la chaleur du soleil, l'eau                des mers, des fleuves et des lacs <b>s'&eacute;vapore</b> et                devient de la vapeur d'eau qui forme <b>les nuages.</b><br>               Les nuages sont pouss&eacute;s par le vent. Lorsqu'ils traversent                des r&eacute;gions froides, la vapeur d'eau <b>se condense</b>.                Elle retombe sur le sol, sous forme de <b>pluie,</b> de neige ou                de gr&ecirc;le.<br>               L'eau ainsi retomb&eacute;e <b>ruisselle</b> sur le sol ou s'infiltre                dans le sous-sol. Elle vient grossir les <b>fleuves</b>, qui eux-m&ecirc;mes                retournent &agrave; 1a mer et le cycle recommence. C'est le <b>cycle                de l'eau</b>.                <p> </p>               <ul>                 <li> <a href="cyclo01.htm">Pourquoi l'eau est-elle indispensable                    &agrave; la vie ?</a><br>                   <br>                 </li>                 <li><a href="cyclo02.htm">Les usages de l'eau</a><br>                   <br>                 </li>                 <li><a href="cyclo03.htm">Comment l'eau arrive-t-elle &agrave;                    la maison ?</a><br>                   <br>                 </li>                 <li><a href="cyclo04.htm">Comment l'eau quitte-t-elle la                    maison ? O&ugrave; va-t-elle ?</a><br>                   <br>                 </li>                 <li><a href="cyclo05.htm">Comment l'eau est-elle pollu&eacute;e                    ?</a><br>                   <br>                 </li>                 <li><a href="cyclo06.htm">Comment l'eau est-elle &eacute;pur&eacute;e                    ?</a><br>                   <br>                 </li>                 <li><a href="cyclo07.htm">Que pouvons-nous faire pour prot&eacute;ger                    l'eau ?</a><br>                 </li>               </ul>               <p><span class="titrepara">Le cycle de l'eau - sch&eacute;ma</span><br>                 <br>                 Cliquez sur les zones r&eacute;actives <br>                 pour conna&icirc;tre les l&eacute;gendes correspondantes</p>               <table width="450" border="0" cellspacing="0" cellpadding="0">                 <tr>          		  <td><img src="img/cyclglob.gif" width="450" height="306" usemap="#Map" border="0">            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     <tr>                <td height="38" align="center" width="72"><img src="../img/vide.gif" width="72" height="10"></td>               <td height="38" align="center"><a href="#o"><img src="../img/ikhaut.gif" width="18" height="18" border="0"></a></td>               <td align="right" height="38" width="72"><img src="../img/logoin.gif" width="72" height="39"></td>             </tr>           </table>           <span class="footer">&copy;Agence de l'eau Rhin Meuse 2001 Reproduction interdite, tous droits r&eacute;serv&eacute;s</span>       </td>     </tr>   </table>   <div id="parent1" style="position:absolute; left:2px; top:111px; width:136px; height:82px; z-index:1; visibility: visible" 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onMouseOver="MM_showHideLayers('cycle','','hide','potable','','hide','potable3','','hide','potable2','','hide','ressources1','','hide','ressources2','','hide','transport1','','hide','transport2','','hide','pollution','','hide','collecte1','','hide','collecte2','','hide','diffuse1','','hide','diffuse2','','hide','milieu','','hide','milieu1','','hide','milieu2','','hide','effets1','','hide','effets2','','hide','menace','','hide')"></div>   <div id="cycle" style="position:absolute; left:129px; top:190px; width:235px; z-index:3; overflow: auto; visibility: hidden" onMouseOver="MM_showHideLayers('cycle','','show','potable','','hide','potable2','','hide','pollution','','hide','milieu','','hide','menace','','hide')" onMouseOut="MM_showHideLayers('cycle','','hide','potable','','hide','potable2','','hide','pollution','','hide','milieu','','hide','menace','','hide')">      <table width="100%" border="0" cellspacing="0" cellpadding="0" bgcolor="#339999">       <tr>          <td>            <table width="100%" border="0" cellspacing="1" cellpadding="0">             <tr>                <td valign="top" width="8"><img src="../img/fleche3.gif" width="8" height="16"></td>               <td bgcolor="#CCCCCC">&nbsp;<a href="cyclo01.htm" class="menu">Pourquoi l'eau est-elle<br>                 &nbsp;indispensable &agrave; la vie&nbsp;?</a></td>             </tr>             <tr>                <td>&nbsp;</td>               <td bgcolor="#CCCCCC">&nbsp;<a href="cyclo02.htm" class="menu">Les usages de l'eau</a></td>             </tr>             <tr>                <td>&nbsp;</td>               <td bgcolor="#CCCCCC">&nbsp;<a href="cyclo03.htm" class="menu">Comment l'eau arrive-t-elle<br>                 &nbsp;&agrave; la maison&nbsp;?</a></td>             </tr>             <tr>                <td>&nbsp;</td>               <td bgcolor="#CCCCCC">&nbsp;<a href="cyclo04.htm" class="menu">Comment l'eau quitte-t-elle<br>                 &nbsp;la maison&nbsp;?</a></td>             </tr>             <tr>                <td>&nbsp;</td>               <td bgcolor="#CCCCCC">&nbsp;<a href="cyclo05.htm" class="menu">Comment l'eau est-elle pollu&eacute;&nbsp;?</a></td>             </tr>             <tr>                <td>&nbsp;</td>               <td bgcolor="#CCCCCC">&nbsp;<a href="cyclo06.htm" class="menu">Comment l'eau est-elle &eacute;pur&eacute;e&nbsp;?</a></td>             </tr>             <tr>                <td>&nbsp;</td>               <td bgcolor="#CCCCCC">&nbsp;<a href="cyclo07.htm" class="menu">Comment prot&eacute;ger l'eau&nbsp;?</a></td>             </tr>           </table>         </td>       </tr>     </table>   </div>   <div id="potable" style="position:absolute; left:129px; top:204px; width:235px; z-index:4; overflow: visible; visibility: hidden" onMouseOver="MM_showHideLayers('potable','','show')" 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class="menu">Qu'est-ce que l'eau potable&nbsp;?</a></font></td>                     <td width="8" valign="top"><img src="../img/fleche4.gif" width="8" height="16"></td>                   </tr>                 </table>               </td>             </tr>             <tr>                <td width="8">&nbsp;</td>               <td bgcolor="#CCCCCC" width="216">                  <table width="100%" border="0" cellspacing="0" cellpadding="0">                   <tr>                      <td>&nbsp;<a href="alimeau/alim21.htm" onMouseOut="MM_showHideLayers('ressources2','','hide','ressources1','','hide')" onMouseOver="MM_showHideLayers('ressources2','','show','ressources1','','show','potable2','','hide','potable3','','hide','potable','','show')" class="menu">Les ressources utilis&eacute;es</a></td>                     <td width="8"><img src="../img/fleche4.gif" width="8" height="16"></td>                   </tr>                 </table>               </td>             </tr>             <tr>                <td width="8">&nbsp;</td>               <td bgcolor="#CCCCCC" width="216">&nbsp;<a href="alimeau/alim03.htm" class="menu">Les traitements</a></td>             </tr>             <tr>                <td width="8">&nbsp;</td>               <td bgcolor="#CCCCCC" width="216">&nbsp;<a href="alimeau/alim04.htm" class="menu">Un r&eacute;sidu, les boues, leur devenir</a></td>             </tr>             <tr>                <td width="8">&nbsp;</td>               <td bgcolor="#CCCCCC" width="216">                  <table width="100%" border="0" cellspacing="0" cellpadding="0">                   <tr>                      <td>&nbsp;<a href="alimeau/alim05.htm" onMouseOver="MM_showHideLayers('transport2','','show','transport1','','show','potable','','show')" onMouseOut="MM_showHideLayers('transport2','','hide','transport1','','hide')" class="menu">Transport, stockage et distribution</a></td>                     <td width="8"><img src="../img/fleche4.gif" width="8" height="16"></td>                   </tr>                 </table>               </td>             </tr>             <tr>                <td width="8">&nbsp;</td>               <td bgcolor="#CCCCCC" width="216">&nbsp;<a href="alimeau/alim06.htm" class="menu">Conclusion</a></td>             </tr>             <tr>                <td width="8">&nbsp;</td>               <td bgcolor="#CCCCCC" width="216">&nbsp;<a href="alimeau/alim07.htm" class="menu">Lexique</a></td>             </tr>           </table>         </td>       </tr>     </table>   </div>   <div id="potable3" style="position:absolute; left:294px; top:204px; width:70px; height:17px; z-index:5; visibility: hidden" onMouseOver="MM_showHideLayers('potable','','show','potable3','','show','potable2','','show')" onMouseOut="MM_showHideLayers('ressources2','','hide','ressources1','','hide','potable2','','hide','potable','','hide','potable3','','hide','cycle','','hide','pollution','','hide','milieu','','hide','menace','','hide')">      <table width="100%" border="0" cellspacing="0" cellpadding="0">       <tr>          <td>&nbsp;</td>       </tr>     </table>   </div>   <div id="potable2" style="position:absolute; left:363px; top:204px; width:235px; z-index:6; overflow: visible; visibility: hidden" onMouseOver="MM_showHideLayers('potable','','show','potable3','','show','potable2','','show')" onMouseOut="MM_showHideLayers('potable','','hide','potable3','','hide','potable2','','hide','cycle','','hide','pollution','','hide','milieu','','hide','menace','','hide')">      <table width="100%" border="0" cellspacing="0" cellpadding="0" bgcolor="#339999">       <tr>          <td>            <table width="100%" border="0" cellspacing="1" cellpadding="2">             <tr>                <td bgcolor="#CCCCCC" height="16">&nbsp;<a href="alimeau/alim12.htm" class="menu">Qui g&egrave;re l'eau potable&nbsp;?</a></td>             </tr>             <tr>                <td bgcolor="#CCCCCC" height="17">&nbsp;<a href="alimeau/alim12.htm#besoin" 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onMouseOut="MM_showHideLayers('collecte1','','hide','collecte2','','hide')" class="menu">La collecte de la pollution</a></td>                     <td width="8"><img src="../img/fleche4.gif" width="8" height="16"></td>                   </tr>                 </table>               </td>             </tr>             <tr>                <td>&nbsp;</td>               <td bgcolor="#CCCCCC">&nbsp;<a href="pollu/pol06.htm" class="menu">La lutte contre la pollution des eaux</a></td>             </tr>             <tr>                <td>&nbsp;</td>               <td bgcolor="#CCCCCC">&nbsp;<a href="pollu/pol08.htm" class="menu">L'assainissement autonome</a></td>             </tr>             <tr>                <td>&nbsp;</td>               <td bgcolor="#CCCCCC">                  <table width="100%" border="0" cellspacing="0" cellpadding="0">                   <tr>                      <td>&nbsp;<a href="pollu/pol09.htm" onMouseOver="MM_showHideLayers('pollution','','show','diffuse1','','show','diffuse2','','show')" onMouseOut="MM_showHideLayers('diffuse1','','hide','diffuse2','','hide')" class="menu">Les pollutions diffuses</a></td>                     <td width="8"><img src="../img/fleche4.gif" width="8" height="16"></td>                   </tr>                 </table>               </td>             </tr>             <tr>                <td>&nbsp;</td>               <td bgcolor="#CCCCCC">&nbsp;<a href="pollu/pol10.htm" class="menu">Mesure de la pollution</a></td>             </tr>             <tr>                <td>&nbsp;</td>               <td bgcolor="#CCCCCC">&nbsp;<a href="pollu/pol12.htm" class="menu">L'eau et les activit&eacute;s humaines</a></td>             </tr>             <tr>                <td>&nbsp;</td>               <td bgcolor="#CCCCCC">&nbsp;<a href="pollu/pol11.htm" class="menu">Lexique</a></td>             </tr>           </table>         </td>       </tr>     </table>   </div> 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