Page Layout ⇒ beamer | Formatting of Slides

[erotavlas]

Hi,

I have two question about the beamer formatting. I have redefined the slide environment with

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\newenvironment{myslide}[1] 
{\begin{frame}{\begin{center}#1\vskip-10pt\end{center}}}{\end{frame}}

but I don't know how I can reduce the distance between the text of the slide and the title and from it to the top margin os the slide. The same from the text of the slide and the bottom margin.
I have tried by modifying the parameters of the theme, but without success.

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\usetheme[headheight=0.005cm,footheight=0.001cm]{Goettingen}

How can I do?
The second question is related to the links that are automatic generate by latex and depending on theme are placed on the left or right side of each slide. In the case of Goettingen theme, they are placed on the right side. The problem is that if I try to click on of these link, then I redirect to the wrong slide.
Each link is generated by adding the \section*{} command

Thank you

Here is my complete code

Code: Select all

\documentclass[9pt]{beamer}

\usepackage{amsmath,amssymb,amsfonts}
\usepackage{amsthm}
\usepackage{graphicx}
\usepackage{graphics}
\usepackage{url}
\usepackage{hyperref}
\usepackage{setspace}

\graphicspath{{figure/}}

\newenvironment{myslide}[1] 
{\begin{frame}{\begin{center}#1\vskip-10pt\end{center}}}{\end{frame}}

\mode<presentation>
{
\usetheme[headheight=0.005cm,footheight=0.001cm]{Goettingen}
\usecolortheme{lily}
\setbeamertemplate{theorem}[ams style]
\setbeamertemplate{theorems}[numbered]
}

\setbeamertemplate{footline}[frame number]
\setbeamersize{text margin left=0.15cm,text margin 
\begin{document}

\section*{start}
\section*{References}
\begin{myslide} {References}
\bibliographystyle{plain}
\bibliography{bibliography} 
\end{myslide}