%\documentclass[11pt]{book}
%\documentclass[b5paper]{book}

\newif\iftth

\iftth
\documentclass[english, a4]{article}
%\newcommand{\section}[1]{\subsection{#1}}

\else	% tth doesn't support \usepackage.
\documentclass[english, a4]{article}
%\setpapersize{b5}
%\usepackage[cam, a4, center]{crop}
 \addtolength{\parskip}{\baselineskip}
 
%%%%%%%%%%%%%%%%%%%%
\usepackage{color}
%\pdfoutput=0 % uncomment this if running PdfTeX in TeX mode
\usepackage{ifpdf}
\ifx\pdftexversion\undefined %if using TeX
  \usepackage{graphicx}
\else %if using PdfTeX
  \usepackage[pdftex]{graphicx}
\fi
\ifpdf %if using PdfTeX in PDF mode
  \DeclareGraphicsExtensions{.pdf,.png,.mps}
  \usepackage{pgf}
\else %if using TeX or PdfTeX in TeX mode
  \usepackage{graphicx}
  \DeclareGraphicsExtensions{.eps,.bmp}
  \DeclareGraphicsRule{.emf}{bmp}{}{}% declare EMF filename extension
  \DeclareGraphicsRule{.png}{bmp}{}{}% declare PNG filename extension
  \usepackage{pgf}
  \usepackage{pstricks}%variant: \usepackage{pst-all}
\fi

\usepackage{bookman} 
\usepackage{latexsym}
\usepackage[left=3cm, right=3cm, top=2cm, bottom=2cm]{geometry}
\usepackage{parskip}
\usepackage[perpage]{footmisc}
\usepackage{fixfoot}
\usepackage{color}
\usepackage{hyperref}
\usepackage{html}
\usepackage{moredefs,lips}
%\usepackage[german, francais, latin, italian, american]{babel}
\usepackage[german, francais, american]{babel}
%\usepackage{graphicx}
\usepackage{dpfloat}
\usepackage{epic,bez123}
\usepackage{floatflt}			% package for floatingfigure environment
\usepackage{wrapfig}			% package for wrapfigure environment
\usepackage{parallel}

%\usepackage{makeidx}
%\makeindex

\graphicspath{{images/}}

\fi %\iftth

% MACROS 
\iftth
\newcommand{\TODO}[1]{}   
\newcommand{\EmDash}{\special{html:<EMDASH>}}    %%&#8212; 
\newcommand{\EnDash}{\special{html:<ENDASH>}}    %%&#8211;
\else
\newcommand{\TODO}[1]{#1}
\newcommand{\EmDash}{---}
\newcommand{\EnDash}{--}
\fi

\newcommand{\Title}[1]{\textit{#1}}

\iftth
\newcommand{\MyRule}{\begin{html}<hr>\end{html}}
\else
\newcommand{\MyRule}{\begin{center}\rule{3cm}{1px}\end{center}}
\fi

\newenvironment{Advertisement}{\begin{quote}\footnotesize}{\end{quote}}
\newenvironment{Program}{\begin{quote}\scriptsize}{\end{quote}}
\newenvironment{Intro}{\footnotesize}{}

\setcounter{secnumdepth}{0}
\iftth\else
\setcounter{tocdepth}{4}
\fi

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% other formatting macros 
\newcommand{\omicron}{o}

% four dots (elipsis at the end of a sentence)
\def\ldotsplus{\mathinner{\ldotp\ldotp\ldotp\ldotp}}
\def\fourdots{\relax\ifmmode\ldotsplus\else$\m@th \ldotsplus\,$\fi}

\iftth

\newcommand{\footnotemark}[1]{\newcounter{foo}\setcounter{foo}{#1}\addtocounter{foo}{1}\special{html:<a href='#tthFtNtAA}\Alph{foo}\special{html:'><sup>}#1\special{html:</sup></a>}}

\newcommand{\checkfn}[3]{
\ifnum\footnote = #2
\renewcommand{#1}{\special{html:<a href='#tthFtNtAA}#3\special{html:'>}\special{html:<sup>}#2\special{html:</sup></a>}}%
\fi
}

\newcommand{\DeclareFixedFootnote}[2]{\newcommand{#1}{\footnote{#2}%
\checkfn{#1}{1}{B}%
\checkfn{#1}{2}{C}%
\checkfn{#1}{3}{D}%
\checkfn{#1}{4}{E}%
\checkfn{#1}{5}{F}%
\checkfn{#1}{6}{G}%
\checkfn{#1}{7}{H}%
\checkfn{#1}{8}{I}%
\checkfn{#1}{9}{J}%
\checkfn{#1}{10}{K}%
\checkfn{#1}{11}{L}%
\checkfn{#1}{12}{M}%
\checkfn{#1}{13}{N}%
\checkfn{#1}{14}{O}%
\checkfn{#1}{15}{P}%
\checkfn{#1}{16}{Q}%
\checkfn{#1}{17}{R}%
\checkfn{#1}{18}{S}%
\checkfn{#1}{19}{T}%
\checkfn{#1}{20}{U}%
\checkfn{#1}{21}{V}%
\checkfn{#1}{22}{W}%
\checkfn{#1}{23}{X}%
\checkfn{#1}{24}{Y}%
\checkfn{#1}{25}{Z}%
}%
}

\else
\fi


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%