Header / Footer in LaTeX with fancyhdr

myheadings.sty

\usepackage{fancyhdr}
\setlength{\headheight}{14pt}
\renewcommand{\headrulewidth}{0pt}

% Need to define \titlename and \authorname

%% Inner Header / Outer Footer
\lhead[]{\fancyplain{}{\footnotesize\titlename}}
\rhead[\footnotesize\nouppercase\authorname]{}
\lfoot[\thepage]{}
\cfoot{}
\rfoot[]{\thepage}

%% Outer Header / Outer Footer
%\lhead[\footnotesize\nouppercase\authorname]{}
%\rhead[]{\fancyplain{}{\footnotesize\titlename}}
%\lfoot[\thepage]{}
%\cfoot{}
%\rfoot[]{\thepage}

%% Only Header (except Chapter Page)
%\lhead[\thepage]{\fancyplain{}{\footnotesize\titlename}}
%\rhead[\footnotesize\nouppercase\authorname]{\fancyplain{}{\thepage}}
%\cfoot{\fancyplain{\thepage}{}}

%% Center Header and Footer
%\chead[\footnotesize\nouppercase\authorname]{\fancyplain{}{\footnotesize\titlename}}
%\cfoot{\thepage}