<html>

 <head>

  <title>高亮显示表格当前行</title>

  <script language="JavaScript">

function trSelect(){

   if (event.srcElement.tagName=='TD'){

      for(i=0;i<nsDataGridTable.rows.length;i++){

         nsDataGridTable.rows[i].bgColor='';

      }

      event.srcElement.parentElement.bgColor='red';

   }

}

</script>

 </head>

 <body>

  <div onmousedown="trSelect()">

   <table id="nsDataGridTable" onmouseover="trSelect()">

    <tbody>

     <tr>

      <td>111111</td>

      <td>111111</td>

     </tr>

     <tr>

      <td>222222</td>

      <td>222222</td>

     </tr>

     <tr>

      <td>333333</td>

      <td>333333</td>

     </tr>

    </tbody>

   </table>

  </div>

 </body>

</html>