DVD menu in avi format

Hi guys,
I really need some serious help.
I wish to create a dvd menu but in avi or any video format.
I dont wish to use it as a dvd menu but as a video effect in between a video.
So i dont need any active buttons on the video.
I have tried softwares but i could manage only ifo files which i was not able to convert into any video format.Please help me.
Any help will be of much use to me.
Thanks.

Pls help me