Back button in PHP

[Alf Stockton <alf@xxxxxxxxxxxxxx>]

I seem to remember that there was a simple call to get reference to the 
the screen previous to where the client currently is. Please remind me 
how this is done?
I need to place a Back button on my clients screens.
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Regards,
Alf Stockton		www.stockton.co.za

You will be married within a year, and divorced within two.
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