How to close pop up window when main window closed?(pop up is in more than 2 p.w)

[Chinna10]

Hi,
I want close sub windows when i log out from main window or close the main window.

I need to write the code in pop up window.

That pop up has been in ore than 2 parent windows.
how to write script code for this one.

[acoder]

If you write the code in the popup window, you will need to periodically check using setInterval that the parent window still exists. If it doesn't, close the popup window.

If this code were in the parent window, all you'd need to do is close the popup window if it was still open onunload.