\documentclass[10pt,titlepage]{book}
\usepackage{polyglossia}
\usepackage{xltxtra}
\setmainfont[]{Charis SIL}
%\setromanfont{Gentium Basic}
\setdefaultlanguage{english}
\setotherlanguage{sanskrit}
\newfontfamily\sanskritfont[Script=Devanagari,Mapping=velthuis]{Sanskrit
  2003}%{Arial Unicode MS}
\newcommand\dn{\catcode `\~=12 
		\fontspec
                    [Script=Devanagari,Mapping=velthuis]{Sanskrit 2003}}%{Arial Unicode MS}}
\newcommand{\dev}[1]{{\begin{sanskrit} #1\end{sanskrit}}}
%\catcode `\~=12 
%\usepackage{devanagari}
%\usepackage{palatino}
%\usepackage[larger, iitalic, uitalic]{skt}
\usepackage{indentfirst}
%\usepackage[pdftex]{graphics, color}
\usepackage{achicago}
%\usepackage[default, none]{oxford}
%\usepackage{graphicx}
\usepackage{endnotes}

\newcommand{\version}{0.1}
\newcommand{\moddate}{\today}
\setcounter{secnumdepth}{3}
\setcounter{tocdepth}{3}
%\setlength{\parskip}{1.5ex  plus 0.5ex minus 0.5ex}

%Settings for 6 x 9
%\setlength{\parskip}{1.5ex  plus 0.5ex minus 0.5ex}
\setlength{\topmargin}{0.75in}
\setlength{\oddsidemargin}{1.00in}
\setlength{\evensidemargin}{0.75in}
\setlength{\headheight}{0.25in}
\setlength{\headsep}{0.25in}
%\setlength{\textheight}{6.675in}
\setlength{\textheight}{6.75in}
%\setlength{\textwidth}{4.375in}
\setlength{\textwidth}{4.50in}
\setlength{\footskip}{0.375in}

%Settings for 5.5 x 8.5
%\setlength{\topmargin}{0.75in}
%\setlength{\oddsidemargin}{1.125in}
%\setlength{\evensidemargin}{0.875in}
%\setlength{\headheight}{0.25in}
%\setlength{\headsep}{0.25in}
%\setlength{\textheight}{6.75in}
%\setlength{\textwidth}{4.375in}
%\setlength{\footskip}{0.375in}

