\documentclass[a4paper]{asimbook}

   \usepackage{a4}
   \usepackage{makeidx}
   \usepackage{fancyhdr}
   \usepackage{graphicx}
   \usepackage{multicol}
   \usepackage{float}
   \usepackage{textcomp}
   \usepackage{alltt}
   \usepackage{times}
   \ifx\pdfoutput\undefined
     \usepackage[ps2pdf,pagebackref=true,colorlinks=true,linkcolor=blue]{hyperref}
     \usepackage{pspicture}
   \else
     \usepackage[pdftex,pagebackref=true,colorlinks=true,linkcolor=blue]{hyperref}
   \fi
   \usepackage{doxygen}

   \makeindex
   \setcounter{tocdepth}{1}
   \renewcommand{\footrulewidth}{0.4pt}
   \raggedbottom


 \begin{document}

   \begin{titlepage}
     \vspace*{7cm}
     \begin{center}
     {\Large $projectname Reference Manual\\[1ex]\large $projectnumber }\\
     \vspace*{1cm}
     {\large Generated by Doxygen $doxygenversion}\\
     \vspace*{0.5cm}
     {\small $datetime}\\
     \end{center}
   \end{titlepage}

   \clearemptydoublepage
   \pagenumbering{roman}

   \tableofcontents
   \clearemptydoublepage

   \pagenumbering{arabic}