% Created 2009-12-30 wo 21:25
\documentclass[presentation]{beamer}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{graphicx}
\usepackage{longtable}
\usepackage{float}
\usepackage{wrapfig}
\usepackage{soul}
\usepackage{amssymb}
\usepackage{hyperref}


\title{Example Presentation}
\author{Carsten Dominik}
\date{30 december 2009}

\usetheme{Madrid}\usecolortheme{default}
\begin{document}

\maketitle

\setcounter{tocdepth}{3}
\tableofcontents



\section{This is the first structural section}
\label{sec-1}
\begin{columns}[t]
\begin{column}{0.5\textwidth}
\begin{frame}
\frametitle{Thanks to Eric Fraga}
\label{sec-1.2}

    for the first viable beamer setup in Org
\end{column}
\end{columns}
\end{frame}
\begin{columns}
\begin{column}{0.5\textwidth}
\begin{frame}<2->
\frametitle{Thanks to everyone else}
\label{sec-1.3}

    for contributing to the discussion
\end{column}
\end{columns}
\end{frame}
\begin{frame}
\frametitle{columns}
\label{sec-1.5}
\begin{block}{Thanks to Eric Fraga}
\label{sec-1.5.2}

      for the first viable beamer setup in Org
\end{block}
\begin{block}<2->{Thanks to everyone else}
\label{sec-1.5.4}

      for contributing to the discussion
\end{block}
\end{frame}
\begin{frame}
\frametitle{Request}
\label{sec-1.7}

    Please test this stuff!
\end{frame}

\end{document}