/* UcoZ Tab */
  .menuBg {background:#DEE7F6 !important;}
  .Mactive {background:#DEE7F6;line-height:20px;border-right:1px solid #88A1C2;border-left:1px solid #88A1C2;border-bottom:1px solid #88A1C2;font-size:7pt;}
  .Mactive a:link,.Mactive a:visited,.Mactive a:hover {color:#15428B;text-decoration:none;cursor:text;}
  .MnotActive {display:block;line-height:16px;background:#F0F3F5;border-right:1px solid #88A1C2;border-bottom:1px solid #88A1C2;font-size:7pt;}
  .MnotActive1 {display:block;line-height:16px;background:#F0F3F5;border-left:1px solid #88A1C2;border-bottom:1px solid #88A1C2;font-size:7pt;}
  .MnotActive a:link,.MnotActive1 a:link {display:block;width:100%;color:#515151;text-decoration:none;}
  .MnotActive a:visited,.MnotActive1 a:visited {display:block;width:100%;color:#515151;text-decoration:none;}
  .MnotActive a:hover,.MnotActive1 a:hover {display:block;width:100%;color:#515151;text-decoration:none;background-color:#CAD9EC;cursor:pointer; }
  /* ---------------- */

<script type="text/javascript">
// UcoZ Tab START
function showmods(t) {
if (t){
document.getElementById('instMods').className='MnotActive1';
document.getElementById('uninstMods').className='Mactive';
document.getElementById('isInMo').style.display='none';
document.getElementById('noInMo').style.display='';
document.body.focus();
} else {
document.getElementById('instMods').className='Mactive';
document.getElementById('uninstMods').className='MnotActive';
document.getElementById('noInMo').style.display='none';
document.getElementById('isInMo').style.display='';
document.body.focus();
}
}
// UcoZ Tab END
</script>

<div class="xw-tl"><div class="xw-tr"><div class="xw-tcc"></div></div></div>
  <div class="xw-ml"><div class="xw-mr"><div class="xw-mc menuBg">

  <div style="display:none;overflow:auto;height:250px;" id="noInMo">
  <div align="center"><!-- код2 -->

  </div></div>

  <div style="overflow:auto;height:250px;" id="isInMo">
  <div align="center">
  <!-- код1 -->

  </div>
  </div>

  </div></div></div>

  <div class="xw-bl"><div class="xw-br"><div class="xw-bc"><div class="xw-footer"></div></div></div></div>

  <table border="0" cellpadding="0" cellspacing="0" width="100%">
  <tbody>
  <tr>
  <td width="6%"> </td>
  <td align="center" valign="top" width="44%"><div id="instMods" class="Mactive"><a id="instModsL" href="javascript://" onclick="showmods(0);return false;">Название 2</a></div></td>

  <td align="center" valign="top" width="43%"><div id="uninstMods" class="MnotActive"><a id="uninstModsL" href="javascript://" onclick="showmods(1);return false;">НАзвание 1</a></div></td>
  <td width="7%"> </td>
  </tr>
  </tbody>
  </table>