\setlength\@dblfptop{0\jsc@mpt \@plus 1fil}
\setlength\@dblfpsep{8\jsc@mpt \@plus 2fil}
\setlength\@dblfpbot{0\jsc@mpt \@plus 1fil}
-\if@openleft
- \let\cleardoublepage\pltx@cleartoleftpage
-\else\if@openright
- \let\cleardoublepage\pltx@cleartorightpage
-\fi\fi
\def\ps@plainfoot{%
\let\@mkboth\@gobbletwo
\let\@oddhead\@empty