\documentclass[10pt,a4paper]{beamer}

%\usepackage[applemac]{inputenc}
\usepackage[ngerman]{babel}
\usepackage[utf8]{inputenc}
\usepackage{times}
\usepackage{graphicx}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\usetheme{Boadilla}
\definecolor{ecs100}{RGB}{86,170,28}
\setbeamercolor{structure}{fg=ecs100,bg=white}

\setbeamertemplate{section in toc}[default]

\setbeamertemplate{itemize items}[circle]
\setbeamertemplate{enumerate items}[default]

\setbeamertemplate{headline}
{%
\vspace*{2.5ex}%
\begin{beamercolorbox}[wd=0.09\textwidth,ht=2ex,dp=0.5ex,leftskip=.5em,rightskip=.5em]{author in head/foot}%
\usebeamerfont{author in head/foot}%
Folie \insertframenumber%
\end{beamercolorbox}%
\vspace*{-1.75ex}%
\hspace*{0.07\textwidth}%
\begin{beamercolorbox}[wd=0.92\textwidth,ht=1.9ex,dp=0.5ex,right,leftskip=.5em]%
\begin{picture}(0,0)
\put(0,0.5){\rule[1.8ex]{\textwidth}{0.2ex}}\end{picture}% 2ex - 0.2ex = 1.8ex
{\usebeamerfont{title in head/foot}%
\qquad \insertshorttitle \ \ $\vert$ \ \ \insertshortauthor \ \ $\vert$ \ \ \insertshortdate \hfill \insertsubsection $\leftarrow$\insertsection \break
}
\end{beamercolorbox}%
}

\setbeamertemplate{frametitle}
{%
\vspace*{1ex}%
\usebeamercolor \bf \large \insertframetitle%
\vspace*{-0.5ex} }

\setbeamertemplate{footline}{} % Fußzeile aktivieren/deaktivieren
\setbeamertemplate{navigation symbols}{} % Navigationsfunktion aktivieren/deaktivieren

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\date[Datum]{Ulm, Datum}
\title[optional Kurzform des Vortragstitels]{kompletter Vortragstitel}
\subtitle{Wissenschaftliches Arbeiten in CSE}
\author[optional Kurzform des Namens]{Name Vortragende(r)}

\institute{Universit\"at Ulm}



\setcounter{framenumber}{-1}

% MY DEFINITIONS BEGIN
\def\r#1{{\color{red}#1}}
\def\g#1{{\color{green}#1}}
\def\mg#1{{\color{ecs100}#1}}
\def\titlefont#1{\textbf{\large\mg{#1}}}
% MY DEFINTIONS END



% BEGIN DOCUMENT
\begin{document}


% Titel-Seite
\frame[plain]{
	\vspace*{-0.3cm}
	\flushright \includegraphics[width=.4\textwidth]{logo_100_Pant_RGB.jpg}
%	\leftskip-2.58em%
	\vspace{-0.2cm}
  	\begin{center}
		\makebox[\textwidth]{\includegraphics[width=\paperwidth]{startbild1.jpg}}
	\end{center}

	%\vspace*{1cm}
	\begin{center}
		\textcolor{ecs100}{\Large \inserttitle}
	\end{center}
	\parbox{0.44\linewidth}
	{
		\footnotesize  \insertauthor\\ \insertinstitute\\ \insertdate
 	}
	\parbox{0.55\linewidth}
	{
    	\textcolor{ecs100}{\insertsubtitle}
	}
}


% Das Inhaltsverzeichnis

\begin{frame}
	\frametitle{Inhaltsverzeichnis}
	\tableofcontents
%	[pausesections]			% Animation/Einblendung der einzelnen Abschnitte
\end{frame}



\section{Vortragsabschnitt 1}

% 1. Folie
\begin{frame}
\frametitle{Folientitel}
	\begin{itemize}
		\item Das ist eine M\"{o}glichkeit f\"{u}r eine Aufz\"{a}hlung
		\item Aufz\"{a}hlung 2
		\item Aufz\"{a}hlung 3
	\end{itemize}
\end{frame}



\section{Vortragsabschnitt 2}

% 2. Folie
\begin{frame}
	\begin{columns}
		\column{.55\textwidth}
			\hspace*{0.7cm}
			Zweispaltige Folie
		\column{.45\textwidth}
			\begin{enumerate}
				\item Start
				\item Stopp
			\end{enumerate}
	\end{columns}
	
	\begin{block}{Blocktitel}
		Blocktext
	\end{block}

	\begin{exampleblock}{Beispielblocktitel}
		Beispielblocktext
	\end{exampleblock}

	\begin{alertblock}{Alertblocktitel}
		Alertblocktext
	\end{alertblock}
\end{frame}



\section{Vortragsabschnitt 3}

% 3. Folie
\begin{frame}
\frametitle{Aufz\"{a}hlung}
	\begin{itemize}
		\item Einleitung
		\item<2-> daher
		\item<alert@3> aber Achtung!
		\item<3-> also so und so
		\item<4-> Schlussfolgerung
	\end{itemize}
 \end{frame}
 
 
 
\section{Vortragsabschnitt n}

% 4. Folie
\begin{frame}
\frametitle{\"{U}berschrift 2}
	Text\\
	\alert{Alerttext} \\
	\pause
	Mehr Text
\end{frame}

%----------------

\end{document}