%
% "b5j" document style option.
%
\@ifundefined{@twoc}{%
\topmargin-.3in
\oddsidemargin0pt
\evensidemargin0pt
\parindent1zw
\@ifundefined{@lands}{\ifcase \@ptsize
    % mods for 10 pt
    \textheight35\baselineskip
    \textwidth37zw
\or % mods for 11 pt 
    \textheight34\baselineskip
    \textwidth34zw
\or % mods for 12 pt
    \textheight32\baselineskip
    \textwidth31zw
\fi}{\ifcase \@ptsize
    % mods for 10 pt
    \textheight22\baselineskip
    \textwidth60zw
\or % mods for 11 pt 
    \textheight21\baselineskip
    \textwidth55zw
\or % mods for 12 pt
    \textheight20\baselineskip
    \textwidth50zw
\fi}
\advance\textheight\topskip
\def\@ps@{4}}{\@warning{Sorry, I igunored `b5j' style}}