<SCRIPT LANGUAGE="JavaScript">
<!-- hide this script tag's contents from old browsers
function goHist(a) 
{
   history.go(a);      // Go back one.
}
//<!-- done hiding from old browsers -->
</script>
<FORM METHOD="post">
<INPUT TYPE="button" VALUE="   " onClick="goHist(-1)">
<INPUT TYPE="button" VALUE=" " onClick="goHist(1)">
</form>
