;+
; NAME: fixnans
; PURPOSE:
; 	fix NANs in an image, e.g. before cross correlating or something.
;
; INPUTS:
; 	imgs	an image or image cube
; KEYWORDS:
; 	/quick	just set NANs to 0, rather than interpolating.
; OUTPUTS:
;
; HISTORY:
; 	Documentation added 2005-06-07 10:16:36 by Marshall Perrin
;-
function fixnans,imgs,_extra=_extra,quick=quick

	if keyword_set(quick) then begin
		wnan = where(imgs ne imgs,nanct)
		out = imgs
		if nanct gt 0 then begin
			out[wnan]=0
		endif
		return,out
	endif

fixpix,imgs,0,out,/nan,_extra=_extra
return, out


end