automatic closing of the windows opened

[neema]

I wanna know is there any function in Javascript which allow to close the separate window opened with jwindow_size(link, value , value) when somebody does log off the main page???

the main page is in PHP.

thanks


I meant to say that i want the method for the following process
automatic closing of child window on log off of main window.

[neel_basu]

I think You are talking about window.close()