Has No one read this?
" HBH also supplies a vast libary of downloads, articles, and helpfull forum posts for you to learn as much as posible.
HBH is very pro self-teaching. We only act as a guide. We'll show you the bits of information you need to learn, and its your job to go and read about it. Self teaching is by far one of the most effective ways to learn. "
USE GOOGLE ^^ USE FORUMS USE ARTICLES USE PM'S THEN ASK IN NEW THREADS ^^
was that directed at me when i pmed you? because i have checked google(helped me with substrings kinda) and ive checked the forums(showed me if was definatly an injection rather than source edit like some of the other js challenges and ive checked articles (which helped clear up about v3=s1.substring+a2.substring) then i pm you. if not no worrys