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Redirecting to Login page on session timeout!!

 
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Hi,
I am trying to redirect an application to its login page on session timeout. The main page is divided into 3 frames, top ,left, and right.
The right frame contains the form that is filled by the user, and which is submitted to a servlet A.

At this point in servlet A, i am checking whether the session is valid, if not , i redirect to the Login page.
The problem is , the Login page is loading in the right frame and not in the complete window.

Any pointers to how it can be resolved is greatly appreciated.

Also, is it possible for automatically redirecting the application to the Login page without any programatic checks..ie is it possible to associate a session timeout with a particular page ?

Regards,
Harsha
 
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You can't do this using server side scripting. Have to call the below function in the frameset onload method

function clearframe()
{
if(window.parent != window.self)
{
window.parent.location.href=window.location.href;
}
}
 
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