Copyright (c) 1999, The Regents of the University of Michigan ("The Regents") 
and Merit Network, Inc., U.S.A.  All Rights Reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1.  Redistributions of source code must retain the above copyright notice, 
    this list of conditions and the following disclaimer.
2.  Redistributions in binary form must reproduce the above copyright 
    notice, this list of conditions and the following disclaimer in the 
    documentation and/or other materials provided with the distribution.
3.  All advertising materials mentioning features or use of this software 
    must display the following acknowledgement:  
This product includes software developed by the University of Michigan, 
and Merit Network, Inc., U.S.A.
4.  Neither the name of the University, nor Merit Network, may be used 
    to endorse or promote products derived from this software without 
    specific prior written permission.
5.  Permitted use of this software is limited to noncommercial research,
    development, and educational purposes.

THIS SOFTWARE IS PROVIDED BY THE REGENTS AND MERIT NETWORK, INC. "AS IS" 
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR MERIT NETWORK, 
INC. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 
THE POSSIBILITY OF SUCH DAMAGE.  
