authorstext={Authors:},
righttextheader={},
righttext={}
-}
+}
\newcommand{\maketitleru}[1][]{
\setkeys{maketitleru}{#1}
\begin{titlepage}
\makeatletter
\begin{center}
\textsc{\LARGE\@rutitlecourse}\\[1.5cm]
- \ifpdf\includegraphics[height=150pt]{logo.png}\\
+ \ifpdf\includegraphics[height=150pt]{logo.pdf}\\
\else\includegraphics[height=150pt]{logo.eps}\\
\fi
\vspace{0.4cm}