\begin{itemize}\itemsep=0pt
\item Apache or other CGI compatible web server
\item Perl (version 4.0 or higher)
\item A client web browser than can display PNG files. Most
\begin{itemize}\itemsep=0pt
\item Apache or other CGI compatible web server
\item Perl (version 4.0 or higher)
\item A client web browser than can display PNG files. Most