\RequirePackage{url}
\RequirePackage{graphicx}
\RequirePackage{amsmath}

% Definition de la commande \mode<..>{..} de beamer
%
\RequirePackage{ifthen}
\providecommand{\provideboolean}[1]{\newboolean{#1}}
\newboolean{beamer@mode@article}\setboolean{beamer@mode@article}{true}
\newboolean{beamer@mode@beamer} \setboolean{beamer@mode@beamer}{false}
\newboolean{beamer@mode@second} \setboolean{beamer@mode@second}{false}
\newboolean{beamer@mode@handout}\setboolean{beamer@mode@handout}{false}
\newboolean{beamer@mode@trans}  \setboolean{beamer@mode@trans}{false}

\newboolean{beamer@mode@all}    \setboolean{beamer@mode@all}{true}
\newboolean{beamer@mode@presentation}
                                \setboolean{beamer@mode@presentation}{false}

\def\mode<#1>#2{\ifthenelse{\boolean{beamer@mode@#1}}{#2}{}}


% Definition de quelques commandes beamer que j'utilise...
%
\newenvironment{frame}[1][]{}{}
\newcommand{\frametitle}[2][]{\paragraph*{#1}}
\newcommand{\framesubtitle}[2][]{\subparagraph*{#1}}
\newcommand{\AtBeginSubsubsection}[2][]{}
\newcommand{\AtBeginSubsection}[2][]{}
\newcommand{\AtBeginSection}[2][]{}
\newcommand{\AtBeginPart}[2][]{}
\newcommand{\setbeamercovered}[1]{}
\newcommand{\usetheme}[2][]{}
\newcommand{\alert}[1]{\emph{#1}}

% Definition du \includeslide
%
\@addimagenopt{-pdf -png}

\def\setjobnamebeamerversion#1{%
\begin{toimage}
\setjobnamebeamerversion{#1}
\end{toimage}
}

\newcommand{\includeslide}[2][]{%
\begin{toimage}
\includeslide[#1]{#2}
\end{toimage}%
\imageflush[BORDER=1]}


% Definition de la fleche
%
\newcommand{\fleche}{\begin{toimage}\fleche\end{toimage}}