Membuat Header tidak bergerak

 
 
<div class="header" style="position:  fixed; top: 0;">
 
<table width="950" border="0" align="center" cellpadding="0" cellspacing="0">
  <tr>
    <td bgcolor="#FF0000">&nbsp;</td>
  </tr>
  <tr>
    <td bgcolor="#000033">&nbsp;</td>
  </tr>
</table>
 
</div>
 
tag: