\documentclass[handout]{beamer}
\usepackage[utf8x]{inputenc}
\usepackage{textcomp}
\useoutertheme{lsp}
\usepackage{lsptitle}
\def\two@digits#1{\ifnum#1<10 0\fi\number#1}
\def\mytoday{\two@digits{\number\day}.\two@digits{\number\month}.\number\year}
\usepackage{xspace,multicol}
\newcommand{\latex}{\LaTeX\xspace}
\newcounter{lastpagemainpart}
\footnotesep0pt
\renewcommand{\footnoterule}{}
\usefootnotetemplate{
\noindent
\insertfootnotemark\insertfootnotetext}
\let\beamerfn=\footnote
\renewcommand{\footnote}[1]{%
\let\oldfnsize=\footnotesize%
\let\footnotesize=\tiny%
\beamerfn<\thebeamerpauses->{#1}%
\let\footnotesize=\oldfnsize}
\date{05.03.2014}
\usepackage{eurosym}
\usepackage{ogonek} % Dabrowska
%\usepackage{libertine}
\renewcommand{\centerline}[1]{\hfill#1\hfill\hfill\mbox{}}
\title{Language Science Press}
\institute{FU Berlin}
\author{Firstname Lastname}
\begin{document}
\lspbeamertitle
\section{Hintergrund}
\frame{
\frametitle{Hintergrund}
\begin{itemize}[<+->]
\item first
\item sth
\item lala
\item c
\end{itemize}
}
\section{Organisation}
\subsection{Level 2}
\subsubsection{Ebene 3}
\frame{
\frametitle{Gemeinschaftsprojekt}
\begin{itemize}[<+->]
\item
\end{itemize}
}
\setcounter{framenumber}{\thelastpagemainpart}
\end{document}
