function dw_project(){ //All page title
  document.write('<H1 align=center>IPM - Projecto do Grupo Nš 412aA-1</H1>');
  //document.write('<H2 align=center>IPM-Online</H2>');
  document.write('<p align=center><img src="_imagens/logo.gif" width="160" height="20" border="0" valign="middle"></p>');
};