\voffset=0pt
\hoffset=0pt
%\ds@twoside
\oddsidemargin=0pt
\evensidemargin=0pt
%%\evensidemargin=120pt
\topmargin=0pt
\headheight=12pt
\headsep=24pt
\footskip=34pt
\marginparsep=0pt
\marginparwidth=0pt
\marginparpush=0pt
%%\marginparsep=0.25in
%%\marginparwidth=1.6in
%%\marginparpush=5pt

\hyphenpenalty=1000
\overfullrule=0pt
\looseness=1
\hfuzz=11pt
\vfuzz=11pt
\clubpenalty=10000
\widowpenalty=10000

\parindent=0pt
\parskip=8pt

\setlength{\textheight}{8.25in}
\setlength{\textwidth}{6.5in}
%%\setlength{\textwidth}{4.75in}

%%define directory for includes; renewcommand before each chapter
\newcommand{\chapterdir}{}

%%define directory for includel; renewcommand before each chapter
\newcommand{\chapname}{}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%defines new command \marginlabel for use with marginal notes
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\newcommand{\marginlabel}[1]
   {\mbox{}\marginpar{\footnotesize\sl\raggedright\hspace{0pt}#1}}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%define desired header and footer structures
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\pagestyle{fancyplain}
\addtolength{\headwidth}{\marginparsep}
\addtolength{\headwidth}{\marginparwidth}
\renewcommand{\chaptermark}[1]%
                  {\markboth{#1}{#1}}
\renewcommand{\sectionmark}[1]%
                  {\markright{\thesection\ #1}}
\lhead[\fancyplain{}{\bf\thepage}]%
      {\fancyplain{}{\bf\rightmark}}
\rhead[\fancyplain{}{\bf\leftmark}]%
      {\fancyplain{}{\bf\thepage}}
\cfoot{}
\lfoot[\fancyplain{}
      {\sc Discovery Potential of a High Luminosity \abf}]%
      {\fancyplain{}{}}
\rfoot[\fancyplain{}{}]%
      {\fancyplain{}{\sc Discovery Potential of a High Luminosity \abf}}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\c@secnumdepth\tw@


%\addtolength{\headwidth}{-48pt}
\def\@makechapterhead#1{%
\leftline{\Huge\bf\hspace{7pt}\thechapter\hfill}
\vskip3pt
\hbox to\headwidth{%
       \leaders\hrule height3.5pt\hfil}
\vskip-8pt
\hbox to\headwidth{%
       \leaders\hrule height1.5pt\hfil}
\vskip18pt
%\hbox to \headwidth{\begin{minipage}{6.5in}\begin{flushright}\Huge\bf{#1}\end{flushright}\end{minipage}}
\hbox to \headwidth{\begin{minipage}{6.5in}\begin{center}\Huge\bf{#1}\end{center}\end{minipage}}
}  %\vskip 30pt }
%\addtolength{\headwidth}{48pt}

\def\@makeschapterhead#1{%
\hbox to\headwidth{%
       \leaders\hrule height3.5pt\hfil}
\vskip-8pt
\hbox to\headwidth{%
       \leaders\hrule height1.5pt\hfil}
\vskip18pt
%\hbox to \headwidth{\begin{minipage}{6.5in}\begin{flushright}\Huge\bf{#1}\end{flushright}\end{minipage}}
\hbox to \headwidth{\begin{minipage}{6.5in}\begin{center}\Huge\bf{#1}\end{center}\end{minipage}}
\vskip 30pt }
%  \vspace*{50\p@}%
%  {\parindent \z@ \raggedright
%    \Huge \bf
%    #1\par
%    \nobreak
%    \vskip 40\p@
%  }}

\let\introtext\@empty

\newdimen\sectionruledimen
\sectionruledimen.15pt
\def\makeparrule{%
 \def\par{%
  \endgraf\nobreak\vskip\lineskip\nointerlineskip
  \vskip6pt
  \hbox to\hsize{\hskip\sectionbackskip\leaders\hrule height\sectionruledimen
  \hfil}%
  %\nointerlineskip
  }%
 }%

\def\section{%
 \@startsection {section}{1}{\sectionbackskip}{-11pt plus -1.2ex minus
-.2ex}
  {13pt}{\Large\bf\makeparrule}%
 }%
\sectionbackskip-\marginpartotal
\sectionruledimen2pt

\def\subsection{%
 \@startsection{subsection}{2}{\z@}{-18pt plus -1ex minus -.2ex}%
  {13pt plus .2ex}{\large\bf}%
 }%

\def\thefigure{\mbox{\thechapter-\@arabic\c@figure}}
\def\thetable{\mbox{\thechapter-\@arabic\c@table}}

\def\thebibliography#1{\newpage\section*{\bibname\@mkboth
  {\uppercase{\bibname}}{\uppercase{\bibname}}}\list
  {\@biblabel{\arabic{enumiv}}}{\settowidth\labelwidth{\@biblabel{#1}}%
    \leftmargin\labelwidth
    \advance\leftmargin\labelsep
    \usecounter{enumiv}%
    \let\p@enumiv\@empty
    \def\theenumiv{\arabic{enumiv}}}%
    \def\newblock{\hskip .11em plus.33em minus.07em}%
    \sloppy\clubpenalty4000\widowpenalty4000
    \sfcode`\.=\@m}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% More space for the labels in the TOC.
\def\l@chapter#1#2{\addpenalty{-\@highpenalty} 
 \vskip 1.0em plus 1pt \@tempdima 1.5em \begingroup
 \parindent \z@ \rightskip \@pnumwidth 
 \parfillskip -\@pnumwidth 
 \bf \leavevmode \advance\leftskip\@tempdima \hskip -\leftskip #1\nobreak\hfil
\nobreak\hbox to\@pnumwidth{\hss #2}\par
 \penalty\@highpenalty \endgroup}

\def\l@section{\@dottedtocline{1}{1.5em}{3em}}
\def\l@subsection{\@dottedtocline{2}{4.5em}{4em}}
\def\l@subsubsection{\@dottedtocline{3}{8.5em}{5em}}

\setcounter{tocdepth}{3}