_commands.tex

\newcommand<>{\twocols}[4]{% Two side-by-side colums
  \only#5{%
    \begin{columns}%
      \begin{column}{#1\textwidth}#2\end{column}%
      \begin{column}{#3\textwidth}#4\end{column}%
    \end{columns}%
  }%
}
\newcommand<>{\threecols}[3]{%
  \only#4{%
    \begin{columns}%
      \begin{column}{0.33\textwidth}#1\end{column}%
      \begin{column}{0.33\textwidth}#2\end{column}%
      \begin{column}{0.33\textwidth}#3\end{column}%
    \end{columns}%
  }%
}

\newcommand{\framefootnote}[1]{%
  \begin{flushright}
    \scriptsize #1
  \end{flushright}
}

\newcommand{\twocolsframe}[3]{%
  \begin{frame}{#1}%
    \twocols{0.5}{#2}{0.5}{#3}%
  \end{frame}%
}

\newcommand<>{\media}[1]{%
  \only#2{%
    \vspace{-.5cm}%
    \begin{center}%
      #1%
    \end{center}%
  }%
}
\newcommand<>{\twocolsmedia}[3]{%
  \only#4{%
    \twocols{0.5}{#1}{0.5}{#2}%
    \begin{center}%
      #3%
    \end{center}%
  }%
}

\newcommand{\figuregraphic}[2][1]{%
  \includegraphics[width=#1\textwidth, height=6.5cm, keepaspectratio]{figures/#2}%
}
\newcommand<>{\figurecaption}[3][1]{%
  \media#4{%
    \begin{figure}%
      \figuregraphic[#1]{#2}\\%
      #3%
    \end{figure}%
  }%
}
\newcommand<>{\twocolsfigure}[5]{%
  \twocolsmedia#6
    {\figurecaption{#1}{#2}}%
    {\figurecaption{#3}{#4}}%
    {#5}%
}

\newcommand<>{\movie}[4][1]{%
  \media#5{%
    \includemedia[%
      width=#1\textwidth, totalheight=6.5cm, keepaspectratio,%
      addresource=figures/#3, activate=pageopen,%
      flashvars={%
        source=figures/#3%
        &autoPlay=true%
        &loop=true%
      }]%
      {\figuregraphic[#1]{#2}}%
      {VPlayer.swf}\\%
      #4%
  }%
}
\newcommand<>{\twocolsmovie}[7]{%
  \twocolsmedia#8%
    {\movie{#1}{#2}{#3}}%
    {\movie{#4}{#5}{#6}}%
    {#7}%
}