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How to disable the back button?

 
Darrin Smith
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I have a JSF app where I want to allow the cache to function until the user clicks logoff. Once they do that, I don't want them to be able to use their back button to see the previous page.

In other words, before they press the logoff button I need the page to have this:

<meta content="no-cache" http-equiv="Cache-Control"/>
<meta content="no-cache" http-equiv="Pragma"/>

And after they press the logoff button make it look like this:

<meta content="no-cache" http-equiv="Pragma" >
<meta content="now" http-equiv=Expires>

How can that (or something like it) be done?

THANKS!
[ November 23, 2005: Message edited by: Darrin Smith ]
 
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