Mininum and Maximum value of Z-INDEX

<table cellspacing="0" cellpadding="0" width="100%">
  <tr>
    <td>
      <asp:HyperLink ID="lnkProgram" runat="server"></asp:HyperLink>
    </td>
  </tr>
  <tr>
     <td>
         <div class="divClass">
           Some Data
         </div>
     </td>
  </tr>
</table>

.divClass
{
     position: absolute;
     left: 25px;
     top: 25px;
     width: 320px;
     height: 300px;
     z-index: 1000;
     display: none;
}

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