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Howto prompt iChain users to refresh session before expiration

(Last modified: 26May2005)

This document (10097802) is provided subject to the disclaimer at the end of this document.


iChain 2.3

iChain 2.2

Authentication enabled

Cookie expires


Howto prompt iChain users to refresh session before expiration

Howto warn iChain users about session timeouts

Howto enable iChain timeout popup box


Use the following javascript code in the iChain login page. It will check whether the session is approaching the 'idle session timeout' parameter and if so, prompt the user to extend the session.

Note: Stick these in the script portion of your <head> tag. And call the timeoutClock function in your body onload. (<body onload=timeoutClock();)

var x = 600; //20 minutes
var timerID = null;

function timeoutClock()
timerID = setTimeout(timeoutClock(), 1000); //run every second 
     newwindow =,toWindow,toolbar=no,menubar=no,resizable=no,scrollbars=no,status=no,location=no,width=300,height=200); 

     window.location.href = path/to/time_expired.html;


// Function to reset the timeout
function resetClock()
x = 600;

Then all you need to do is create the expired page (e.g time_expired.html) and the timeout page (e.g. timeout_page.html) with the messaging you choose. Be sure to have a link on the timeout page similar to:

Click <a href=javascript:window.opener.location.href = window.opener.location.href;window.close();>[here]</a> to refresh now.

Also, you may want to have the timeout page close itself after 29 seconds by calling this closeMe function in the body onload:

var howLong = 29000;
t = null;
function closeMe()
t = setTimeout(self.close(),howLong);

Reference URL for the above script is:


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  • Document ID:
  • 10097802
  • Solution ID: NOVL102225
  • Creation Date: 26May2005
  • Modified Date: 26May2005
    • NetIQiChain

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