<table width=400 align=center border=0>

   <tr>
     <td width=40% align=center>
         列表一
     </td>
     <td width=20% align=center>
         操作
     </td>
     <td width=40% align=center>
         列表二
     </td>
   </tr>         
   <tr>
      <td width=40% align=center>
          <form name=form1>
            <select size=10  name=select1 MULTIPLE>
              <option value=1>Sample string 1</option>
              <option value=2>Sample string 2</option>
              <option value=3>Sample string 3</option>
              <option value=4>Sample string 4</option>
              <option value=5>Sample string 5</option>
              
            </select>
          </form>
      </td>       
      <td valign=middle width=20% align=center>
          <br>
          <br>
           <input type=button name=btnGoLeft onclick="Go_Left();" value="<<">
          <br>
          <br>              
           <input type=button name=btnGoRight onclick="Go_Right();" value=">>">
          <br>
          <br>
      </td>                
      <td width=40% align=center>
          <form name=form2>
            <select size=10 length=40 name=select2 MULTIPLE >
           </select>
          </form>
      </td>              
  </tr>
</table>           

<script language=javascript>
  //将列表框1中的选定部分移到列表框2中
 &