Resync Audio to Video..?

i have a few videos that ive recorded and the sound is off by like 2 seconds..
whats a program that i can use to resync the audio back to the video
Answer #1
If the file is an mpg try this
http://club.cdfreaks.com/f66/how-fix-v-sync-problems-mpg-files-59487/
If not google more
Answer #2
use virtual dub easy !!!!