\usepackage{xunicode}
\usepackage{xltxtra}
+\usepackage{longtable}
+\usepackage{tabu}
+\usepackage{unicode-math}
+\setmathfont{Latin Modern Math}
+
\usepackage[overload]{textcase}
\usepackage{scalefnt}
\usepackage[colorlinks=true,linkcolor=black,setpagesize=false,urlcolor=black,xetex]{hyperref}
\fi
}
+\newcommand{\ilustr}[2]{%
+\vspace{1em}%
+\par{\noindent\includegraphics[width=\linewidth]{#1}}%
+\vspace{1em}
+}