\let\RaggedRight\raggedright
\let\RaggedLeft\raggedleft
\let\Centering\centering
\newenvironment{Center}{\begin{center}}{\end{center}}
\newenvironment{FlushLeft}{\begin{flushleft}}{\end{flushleft}}
\newenvironment{FlushLeftRight}{\begin{flushright}}{\end{flushright}}