ASP show+hide

<script type="text/javascript">
<!--

function show(id)
{
 document.getElementById("tab1").style.display="none";
 document.getElementById("tab2").style.display="none";
 document.getElementById("tab3").style.display="none";
 document.getElementById("tab4").style.display="none";
 document.getElementById("tab5").style.display="none";
 document.getElementById("tab"+id).style.display="block";
}
//-->
</script>

   <table width="549" border="0" cellspacing="0" cellpadding="0">
            <tr align="left">
              <td>
     <img src="http://mimg.163.com/logo/163logo.gif" width="106" height="21" />
     </td>
            </tr>
            <tr>
              <td height="3" bgcolor="#43A31B"></td>
            </tr>
            <tr align="left" >
              <td align="center" ><table width="96%" border="0" cellpadding="0" cellspacing="0" >
                <tr>
                  <td align="right" height="30">
      <a href=";" >跳槽</a>&nbsp;&nbsp;
      <a href=";" >简历</a>&nbsp;&nbsp;
      <a href=";" >面试</a>&nbsp;&nbsp;
      <a href=";" >转行</a>&nbsp;&nbsp;
      <a href=";" >其他</a></td>
                </tr>
              </table>
       <div >
                <table width="85%" border="0" cellpadding="0" cellspacing="0">
                  <tr>
                    <td align="left" valign="top">
     1 跳槽 </td>
                  </tr>
                </table>
     </div>

     <div style="">
                <table width="85%" border="0" cellpadding="0" cellspacing="0">
                  <tr>
                    <td align="left" valign="top">
     2          简历</td>
                  </tr>
                </table>
     </div>

     <div style="display:none;">
                <table width="85%" border="0" cellpadding="0" cellspacing="0">
                  <tr>
                    <td align="left" valign="top">
     3 面试     </td>
                  </tr>
                </table>
     </div>

     <div style="display:none;">
                <table width="85%" border="0" cellpadding="0" cellspacing="0">
                  <tr>
                    <td align="left" valign="top">
     4      转行     </td>
                  </tr>
                </table>
     </div>

     <div style="display:none;">
                <table width="85%" border="0" cellpadding="0" cellspacing="0">
                  <tr>
                    <td align="left" valign="top">
      5          其他</td>
                  </tr>
                </table>
     </div>