Uh...There are three FAQs that answer your question in the Resource Center:
Code:
http://www.gossamer-threads.com/scripts/resources/jump.cgi?ID=590
http://www.gossamer-threads.com/scripts/resources/Detailed/38.html
http://www.gossamer-threads.com/scripts/resources/Detailed/162.html
Also, there are numerous Threads in the Modification and Discussion Forums that address your question.
Regards,
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Eliot Lee....
Former Handle: Eliot
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