interlaced film - easy way to tell ?

[xrv1138]

dont think ive seen it in any if the faqs or guides...
is there an easy way to tell if a dvd is interlaced before processing ?
feel free to abuse me if its in the q + a ...

[Mozart]

download bitrateviewer at www.tecoltd.com. Load the vob file and it will show to you a lot of informations about the vob.

[xrv1138]

thanks