\usepackage{fancyhdr}
% some stuff to make things nicer:
\textheight240mm  
\textwidth160mm 
\columnsep4mm
\voffset-15mm
\hoffset10mm 
\oddsidemargin0mm
\evensidemargin-20mm
%%%%%%%%
\newcommand{\nmpcfoot}{Int. Workshop on Assessment and
        Future Directions of NMPC,
        Freudenstadt-Lauterbad, Germany,  August 26-30, 2005}
\newcommand{\Atitle}[1]{
{\Large\bf
\begin{center}
#1
\end{center}
\vspace{.0cm}
}}
\newcommand{\Aauthor}[1]{
{\large
\begin{center}
#1
\end{center}
\vspace{.0cm}
}}
\newcommand{\Aaddress}[1]{
{\em
\begin{center}
#1
\end{center}
\vspace{.2cm}
}}
\newcommand{\Aabstract}[1]{
\noindent #1
\vspace{.5cm}
}
\newcommand{\Akeywords}[1]{
\noindent{\bf Keywords} : #1
\vspace{.5cm}
}
\setcounter{page}{1}
\pagestyle{fancy}
\fancyhf{}
\fancyfoot[LE,RO]{\thepage}
%\fancyhead[LE,RO]{\large\sffamily\bfseries Keynote}
\fancyfoot[LO,RE]{\protect{\scriptsize\nmpcfoot}}
\fancyhead[C]{\rauthor}
\thispagestyle{empty}