%  Seitenstil fuer Literarisches
\RequirePackage{ifthen}

\ifthenelse{\boolean{@twoside}}
 % zweiseitig
 {\newcommand{\ps@literature}{
  \let\@mkboth\markboth
  \renewcommand{\chaptermark}[1]
    {\markboth{\@chapapp~\thechapter%
       \hspace{1em}##1}{}}
  \renewcommand{\sectionmark}[1]
    {\markright{\thesection\hspace{1em}##1}}
  \renewcommand{\subsectionmark}[1]{}
  \renewcommand{\@oddfoot}{}
  \renewcommand{\@evenfoot}{}
  \renewcommand{\@oddhead}
    {\vbox{\hsize=\textwidth
     \hbox to \textwidth{\hfil%
       {\small\scshape\rightmark}\hfil\thepage}%
     \vskip3pt\hrule height1pt \vskip1pt \hrule}}
  \renewcommand{\@evenhead}
    {\vbox{\hsize=\textwidth
     \hbox to \textwidth{\thepage\hfil%
       \small\scshape\leftmark\hfil}%
     \vskip3pt\hrule height1pt \vskip1pt \hrule}}
  }
 }
 % einseitig
 {\newcommand{\ps@literature}{
  \let\@mkboth\markboth
  \renewcommand{\chaptermark}[1]{}
  \renewcommand{\sectionmark}[1]
    {\markright{\thesection\hspace{1em}##1}}
  \renewcommand{\subsectionmark}[1]{}
  \renewcommand{\@oddfoot}{}
  \renewcommand{\@evenfoot}{}
  \renewcommand{\@oddhead}
    {\vbox{\hsize=\textwidth
     \hbox to \textwidth{\hfil%
       {\small\scshape\rightmark}\hfil\thepage}%
     \vskip3pt\hrule height1pt \vskip1pt \hrule}}
  \renewcommand{\@evenhead}{}
  }
 }