
\def\@makechapterhead#1{%
  \vspace*{50\p@}%
  {\parindent \z@ \raggedright \reset@font
    \ifnum \c@secnumdepth >\m@ne
         \if@mainmatter
         \huge\bfseries \@chapapp{} \thechapter
         \par
         \vskip 20\p@
	 \fi
       \fi
    \Huge \bfseries #1\par
    \nobreak
    \vskip 40\p@
  }}
