> I first thought of starting a session and checking
> the value of a flag set from the calling page
>
> <snip>
>
> If ($status_flag < 1)
>
> This falls over when called from an external source
> as $status_flag is an unknown variable.
Actually you need to check if the variable exists and
then you can check its value if you still need to
if (isset($status_flag)) {
Bj
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