\def\beginfig{\begin{figure*}[htb]{\noindent\hrulefill\par}\small}
\def\endfig{{\noindent\hrulefill\par}\end{figure*}}

\renewcommand{\topfraction}{1}
\renewcommand{\dbltopfraction}{1}
\renewcommand{\bottomfraction}{1}
\renewcommand{\textfraction}{0}

\renewcommand{\floatpagefraction}{.99} % for one-column
\renewcommand{\dblfloatpagefraction}{.99} % for two-.

