centre popup - how?

[Bapha]

Greetings All

I was wondering if someone could tell me how i might make a centered pop up window?

thanks for your help:)

[whkoh]

Check out here for a generator:
http://www.dynamicdrive.com/dynamicindex8/popwin.htm

[kc]

http://www.dhtmlshock.com/window-scripts/opencenterpopup/default.asp