\documentclass{beamer}

\usepackage[british]{babel}
\usepackage{graphicx,hyperref,calc}
\usepackage{wasysym}

\usepackage{ru}
\usepackage{bera}

\usepackage{booktabs}

\usepackage{listings}
\lstset
  {basicstyle=\ttfamily\small,
   gobble=6,
   escapeinside=!!}
\lstMakeShortInline | %@

\useoutertheme[subsection=false]{smoothbars}
%\useinnertheme{rectangles}

\newenvironment{twocolumns}[1][0.45]{
  \begin{columns}
    \begin{column}{#1\textwidth}
      \newcommand{\nextcolumn}[1][]{
      \end{column}
      \begin{column}[##1]{\textwidth-#1\textwidth-0.1\textwidth}
      }
    }{
    \end{column}
  \end{columns}
}

\newcommand{\SPL}
  {SPL}

% vim: ft=latex
