CG> 3) Use a session variable that you set with a code that all pages check
CG> to see if they should display themselves.
To make the picture complete, I beleive this is
best accompanyed by
response.setHeader("Expires","-1");
do not know if you need the following:
(once I used myself, but now not sure
if we should use them or not)
CG> response.setHeader("Cache-Control", "no-cache"); //for http 1.1
CG> response.setHeader("Pragma", "no-cache"); //for http 1.0
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