%
% tkz-namedgraphs (27/05/2011)
%
% Coding (utf8) Creator (TeX) 
% Author Alain Matthes
\input{tkzpreamblenamed.ltx}

\begin{document}

\begin{tikzpicture}[node distance=4cm]
  \GraphInit[vstyle=Shade]
  \Vertex{a0}
  \NOEA(a0){a2}
  \NOEA(a2){a4}
  \NOWE(a0){a1}
  \NOWE(a1){a3}
  \Edges(a0,a1,a3)
  \Edges(a0,a2,a4)
  \Edge(a1)(a2)
 \end{tikzpicture}

\end{document}