Here you go:
http://homepages.slingshot.co.nz/.../files/jesusbuddhist.pdf
Like you said before, it assumes that Jesus existed in the first place.
I'm quite skeptical of a Buddhist connection, but just skimming through the paper, I notice that the author doubts the authenticity of Notovitch's find. That he's not holding on to any and every shred of possible evidence gets him points, in my book.