Hi,
Two years ago I pulled a script called chart from some code library.DO not know where anymore, and have mutilated it enough for you not to want it anymore ;-)
anyway. credentials:
// Copyright (C) 1999, 2000, 2001 Lars Magne Ingebrigtsen
//
// Chart is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
//
// Chart is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Chart; see the file COPYING. If not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
J.