Paper Skeleton of XeTeX

main.tex

\documentclass[11pt,a4paper]{article}

\usepackage{color}
\usepackage{fontspec}
\usepackage{xunicode}
\usepackage{xltxtra}
\usepackage[margin=2cm]{geometry}


\newfontfamily\msjh{Microsoft JhengHei}
\newfontfamily\kai{AR PL UKai TW}
\newfontfamily\arial{Arial}




\begin{document}
\title{Finite-Different Time-Domain Method}
\author{Jia-Wei Hsu}
\maketitle

\section{section 1}
\subsection{subsection 1}
\msjh 中文輸入\footnote{footnote}\rmfamily\\
\kai 邊註\rmfamily\marginpar{ margin par}

\subsection{subsection 2}
reset font here
\section{section 2}
\subsection{subsection 1}
\subsection{subsection 2}



\end{document}