Hide page option in OBIEE 10G

================Hide page option=======================
<script type="text/javascript">
function hidePageOption()
{
  var body = document.getElementsByTagName('body')[0];
  var tabcls = body.getElementsByTagName("td");
  var tablcn;
  for (i = 0; i < tabcls.length; i++)
  {
    tablcn = tabcls[i];
    if(tablcn.className=='TabLinksCell')
    {
      tablcn.style.display = "none";
    }
  }
}
hidePageOption();
</script>