how to close child window

[jyothsna kumari]

i have a parent asp page.on clicking a button on that page a popup window comes out.that popup window is refreshed every second.and at a particular point i want the popup window to be closed and the parent window to appear.
i am using self.close()in popup window. it is not functioning

[Eric Pascarello]

if the child windoe you can use
window.close()
in the parent you can use it by
WindowObjectName.close();