%
% "b5j" document style option.
%
\@ifundefined{@twoc}{%
\oddsidemargin0pt
\evensidemargin0pt
\parindent1zw
\@ifundefined{@lands}{\topmargin-.3in
\ifcase \@ptsize
    % mods for 10 pt
    \textheight26\baselineskip
    \textwidth28zw
\or % mods for 11 pt 
    \textheight26\baselineskip
    \textwidth25zw
\or % mods for 12 pt
    \textheight25\baselineskip
    \textwidth24zw
\fi}{\topmargin-.6in
\ifcase\@ptsize
    % mods for 10 pt
    \textheight17\baselineskip
    \textwidth47zw
\or % mods for 11 pt 
    \textheight17\baselineskip
    \textwidth42zw
\or % mods for 12 pt
    \textheight16\baselineskip
    \textwidth40zw
\fi}
\advance\textheight\topskip
\def\@ps@{2}}{\@warning{Sorry, I igunored `a5j' style}}