Description:
------------
when i run this page i receive an error

Notice: Undefined variable: fname in E:\GPO\Webphp\guestbook\guestbook.php on line 52

and i can receive the value of variable if i submit from page 'A' to page 'B' (page B can not receive the value of variable what sent from page A)

please show me the way to solve it.

Thanks

Reproduce code:
---------------
<?
  if ($fname=="toan")
{
  echo ("right");
}
  else {
?>
  <form method=post>
      Name: <input type="text" name="fname"> <input type="submit" name="submit" value="Enter Information">
  </form>
<? } ?>