use subscript notation for reserved word
use subscript notation for reserved word

if is a reserved word, and yuicompressor doesn't like it used as an
object property using dot notation, so switch to subscript notation.

lognormal/boomerang,FredXue/boomerang,sdgdsffdsfff/boomerang,levexis/boomerang,FredXue/boomerang,forcedotcom/kylie,levexis/boomerang,forcedotcom/kylie,lognormal/boomerang,sdgdsffdsfff/boomerang