function []=stk()
%	Stackplot routines:
%
%  initialize		->  stkbegin
%  end			->  stkend
%  x axis		->  stkxaxis (str, end, del, nchn, nd[, label])
%  y axis		->  stkaxis (pltnum, maxnum, str, end, del, nchn, nd)
%  plot data		->  stkplot (pltnum, maxnum, x, y[, ltype, peg])
%  label a stack plot	->  stktitle (pltnum, maxnum, title)
%  y axis in months	->  stkmaxis (m1, yr1, m9, yr9, delm[, daytic])
%  y axis in days	->  stkdaxis (str, end, del, year[, daytic])
%  y axis in hours	->  stkhaxis (str, end, del[, mintic])
%  stick plot		->  stkplot (pltnum, maxnum, x, u, v, [, n, [ltype]])
%  title at top page	->  stkpgttl (title)
