Erwin Moller wrote:
> sebastian schreef:
>> Can this be done without client-side scripting? I thought sessions
>> might be the answer but after some testing found that sometimes the
>> old session data remained even after the user left the site and
>> returned. Just had an idea, though. Perhaps I could access the users
>> Referrer header?
>
> Hi Sebastian,
>
> I think you cannot detect this without JavaScript.
> If somebody goes somewhere else, your server is not notified.
> You can only try this via JavaScript.
>
> Referer:
> And I don't see how the Referer header can help you out.
> It is send to the next site (if send at all).
>
> Session:
> No go either.
> A Session is nothing more than a piece of data on the server that is
> linked to a certain visitor via a PHPSESSID (via cookie/url/form).
> I don't see how they can help you with this.
>
> So bottomline, bad luck.
> You need JavaScript (or some other clientside technology, like an JAVA
> applet).
>
> Regards,
> Erwin Moller
>

And even Javascript doesn't necessarily tell you. Closing the browser,
for instance, will not execute javascript.

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Jerry Stuckle
JDS Computer Training Corp.
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