pro boxit,x,y,sidx,sidy,bin=bin,color=color

;+
;NAME:
;       boxit
;PURPOSE:
;       To draw a box on the screen at an absolute location.
;CALLING SEQUENCE:
;       boxit,x,y
;       boxit,x,y,64
;       boxit,x,y,64,128,bin=4,color=200
;INPUT:
;       x, y  -  screen coordinates of the lower left corner of box
;OPTIONAL INPUT:
;       sidx    - Number of pixels on x side (if not passed, the
;                 default is 64
;       sidy    - Number of pixels on y side (if not passed, the
;                 default is same as x
;KEYWORDS
;       color   - Specifies color of box.  Default is color = 255
;	bin     = Display rebin factor.  Default is bin=1
;HISTORY:
;       Written 18-Oct-92 by L. Acton
;-

if n_elements(sidx) eq 0 then sidx = 64
if n_elements(sidy) eq 0 then sidy = sidx

if keyword_set(color) eq 0 then color=255 
if keyword_set(bin) eq 0 then bin=1

x0 = x*bin
y0 = y*bin

x1 = x0 + sidx*bin + 1
y1 = y0 + sidy*bin + 1

plots, [x0,x0,x1,x1,x0], [y0,y1,y1,y0,y0] ,color=color ,/device

end