QUERY

hi,
I am using this library to post data through post script in 
w3c-libwww-5.4.0/Library/Examples to my local URL a JSP 
page actually using tom cat server.
This post script taking a URL and some test data "character string" on 
command prompt on "Sun" plateform.
I want to know that in what parameter the test data is going to that URL 
so that i can get parameter in my JSP page.
Its being very difficult to find parameter name. I need your help.
I will bw very thankful to you.
bye
Anoop