\documentclass{article}
\usepackage{graphicx,color,helvmath}
%\usepackage{amsmath}\usepackage{amssymb} \usepackage{amstext}

\usepackage{fancyhdr}
\renewcommand{\headrulewidth}{0mm}
\fancyfoot[L]{2-\thepage} % change 1 to whichever module you are working
\fancyfoot[C]{Copyright \copyright 2003 Sharat Chandran \hspace{4cm}
  Computer Graphics} 
\fancyfoot[R]{Jan 20}  % use this for your lecture name

\usepackage[pdftex,pagebackref,colorlinks=true]{hyperref}

% my macros
\newcommand{\heading}[1]
{\vspace{1ex minus 1ex}  \color{red} 
\begin{center} {\large \bf #1}  \end{center}  \color{black}  }

% For incremental builds
\usepackage{pause}  % enables the pause command

%\usepackage{program}  % enables typesetting programs
\usepackage{listings} \lstloadlanguages{C++} 
\lstset{language=C++, keywordstyle=\bf, basicstyle=\small}


% specific to pdfscreen
\usepackage[screen]{pdfscreen}
%\usepackage[paneltoc,panelleft,screen]{pdfscreen}
%\definecolor{backgroundcolor}{rgb}{1,1,1}
%\backgroundcolor{backgroundcolor}
\margins{.5in}{.5in}{.5in}{.5in}
\screensize{6.65in}{9.0in}
\pdfcompresslevel=9
\urlid{www.cse.iitb.ac.in/~sharat}
\emailid{sharat@iitb.ac.in}


\begin{document}
\pagestyle{fancy}
\input{content.tex}
\end{document}