Dog barks at himself

Now, here is a video you don't see everyday.  Sometimes you hear about dogs and cats going beserk when they see themselves in mirrors, but seeing themselves in a video - that is another story.  Here is a hilarious video I found on Stupidvideos.com about a dog going crazy when he sees himself barking in a video on youtube. Note: I am not sure what breed the dog is, but I think that he might be a jack Russel terrier