<table width="800" border="0" cellpadding="0" cellspacing="0">     <tr>         <td>不变色</td>     </tr>     <tbody id="goaler">     <tr>         <td>xxxxxxxx</td>     </tr>     <tr>         <td>xxxxxxxx</td>     </tr>     <tr>         <td>xxxxxxxx</td>     </tr>     <tr>         <td>xxxxxxxx</td>     </tr>     </tbody>     <tr>         <td>不变色</td>     </tr> </table> <script language="JavaScript"> <!-- var TbRow = document.getElementById("goaler"); if (TbRow != null) {     for (var i=0;i<TbRow.rows.length ;i++ )     {         if (TbRow.rows[i].rowIndex%2==1)         {             TbRow.rows[i].style.backgroundColor="";         }         else         {             TbRow.rows[i].style.backgroundColor="#F1F1F1";         }     } } //--> </script>