\mark{{}{}} 

\def\ps@myheadings{\let\@mkboth\@gobbletwo
\def\@oddhead{\hbox{} \hfil \sl\rightmark}
\def\@oddfoot{\hbox{} \hfil \rm\thepage \hfil \hbox{}}
\def\@evenhead{\sl\leftmark}
\def\@evenfoot{\hbox{} \hfil \rm\thepage \hfil \hbox{}}
\def\sectionmark##1{}\def\subsectionmark##1{}}
