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Possible Duplicate:
Block with out title space in a specific position and certain length (for Title box in a poster)

I am preparing a poster with beamer. In title box, there is a blue banner space. How can I remove it? I write the title in such a way:

\begin{document}
\begin{frame}

\begin{textblock}{}[0,0.1](1cm,1cm)%
\begin{varblock}[75cm]{}
\vspace{-0.65cm}
\begin{center}
{
\Large {\textbf{\textcolor{violet!90}{Anticipated Complexities of Landfill to Estimate Fugitive $\mathrm{CH_{4}}$  using Micro-Meteorological Method.}}}\\
\vspace{0.5cm}
\normalsize {\textbf{ T$^1$, T$^1$, J$^1$, R$^2$}}\\ 
\vspace{0.5cm}
\textcolor {black}  {1.University of Alberta ~ 2.Research Branch, Agriculture and Agri-Food Canada}
\vspace{-0.5cm}
}
\end{center}
\end{varblock}
\end{textblock}

Also I have declare varblock to set the position in specific position inside the textblock.

\newenvironment<>{varblock}[2][\textwidth]{%
  \setlength{\textwidth}{#1}
  \begin{actionenv}#3%
    \def\insertblocktitle{#2}%
    \par%
    \usebeamertemplate{block begin}}
  {\par%
    \usebeamertemplate{block end}%
  \end{actionenv}}

enter image description here

marked as duplicate by Gonzalo Medina, lockstep, Marco Daniel, Count Zero, Torbjørn T. Jun 2 '12 at 22:35

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  • Can you please turn your code snippets into a complete, minimal document? – Gonzalo Medina May 3 '12 at 0:12
  • @Medina, below I write the code. I will appreciate your help. – Mahzabin May 3 '12 at 3:15
  • @Mahzabin Please, edit your question and delete the previous comment. – egreg May 3 '12 at 8:57

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