I need some help with a formula I have been using to pull dates for the previous month.  It has worked great all year until happy New Year.  How do I edit this formula to take into account a change in year?  My report for Dec 2010 that is being pulled in Jan 2011 turns up blank.

Month({Proccesor.Funding Dt}) = Month(DateAdd("m", -1, currentdate)) and year({Proccesor.Funding Dt}) =year(currentdate)