%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 11-4-31 on page 789.
%% 
%%  Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss 
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 

% Show page(s) 1,2,3

\documentclass{ttctbeamer}
% graphic converted to gray in book

\StartShownPreambleCommands
\documentclass{beamer}
\usetheme{Malmoe} \useoutertheme{sidebar} \usecolortheme{dove}
\StopShownPreambleCommands

\begin{document}
\begin{frame}  \frametitle{A demonstration of footnotes}
                \framesubtitle{A bad idea in presentations}
 \only<1->{Cats, dogs and lions\footnote<1>{all carnivores} are scary}\\[4ex]
 \only<2->{\fbox{\begin{minipage}[t]{0.4\linewidth}sheep
             and goats\footnote[frame]{herbivores} are dull \end{minipage}}}
 \only<3->{\fbox{\begin{minipage}[t]{0.45\linewidth}
             pigs and men\footnote{omnivores} are interesting \end{minipage}}}
\end{frame}
\end{document}