/* 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;  }     
/* ---------------- */

<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>

/* UcoZ Tab */   
.menuBg {background:#000000 !important;}   
.Mactive {background:#808080;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:#303030;border-right:1px solid #808080;border-bottom:1px solid #88A1C2;font-size:7pt;}   
.MnotActive1 {display:block;line-height:16px;background:#303030;border-left:1px solid #808080;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:#303030;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="java script://" 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="java script://" onclick="showmods(1);return false;">НАзвание 1</a></div></td>       
    <td width="7%"> </td>       
    </tr>       
    </tbody>       
    </table>