onMouseOver时,设置单元格边框的问题
如何当鼠标掠过表格中任意一个单元格时,设置所有单元格的边框为1px?
------解决方案--------------------L@_@K!   
   <body>  
    <table id= "tabTest ">  
      <tr>  
          <td> 1 </td>  
          <td> 2 </td>  
          <td> 3 </td>  
      </tr>  
      <tr>  
          <td> 4 </td>  
          <td> 5 </td>  
          <td> 6 </td>  
      </tr>  
      <tr>  
          <td> 7 </td>  
          <td> 8 </td>  
          <td> 9 </td>  
      </tr>  
    </table>  
  <script type= "text/javascript ">  
  <!-- 
 var oTable = document.getElementById( "tabTest "); 
 var colCells = oTable.cells; 
 for (var i=0; i <colCells.length; i++) 
 { 
     colCells[i].onmouseover = function () 
     { 
         if (this.style.border ==  " ") 
         { 
             var oTable = this.parentNode.parentNode.parentNode;               
             for (var i=0; i <oTable.cells.length; i++) 
             { 
                 oTable.cells[i].style.border =  "1px solid red "; 
             }             
         }; 
     } 
 } 
 //-->  
  </script>  
   </body>