latex invisible section

Something like this:

\newcommand\invisiblesection[1]{%
  \refstepcounter{section}%
  \addcontentsline{toc}{section}{\protect\numberline{\thesection}#1}%
  \sectionmark{#1}}
...

\invisiblesection{Blah}

http://tex.stackexchange.com/questions/68272/make-section-headings-invisible