function showparcours() {
  _rob_showhidelayer("imageportfolio","hidden");
  _rob_showhidelayer("titreportfolio","hidden");
  _rob_showhidelayer("infosportfolio1","hidden");
  _rob_showhidelayer("infosportfolio1c","hidden");
  _rob_showhidelayer("infosportfolio2","hidden");
  _rob_showhidelayer("texteportfolio","hidden");
  _rob_showhidelayer("blocportfolio2","hidden");
  _rob_showhidelayer("contenuparcours","visible");
  _rob_showhidelayer("titreparcours","visible");
  _rob_showhidelayer("infosparcours1","visible");
  _rob_showhidelayer("infosparcours1c","visible");
  _rob_showhidelayer("infosparcours2","visible");
  _rob_showhidelayer("texteparcours","visible");
  _rob_showhidelayer("blocparcours2","visible");
}

function showportfolio() {
  _rob_showhidelayer("titreparcours","hidden");
  _rob_showhidelayer("infosparcours1","hidden");
  _rob_showhidelayer("infosparcours1c","hidden");
  _rob_showhidelayer("infosparcours2","hidden");
  _rob_showhidelayer("texteparcours","hidden");
  _rob_showhidelayer("blocparcours2","hidden");
  _rob_showhidelayer("contenuparcours","hidden");
  _rob_showhidelayer("imageportfolio","visible");
  _rob_showhidelayer("titreportfolio","visible");
  _rob_showhidelayer("infosportfolio1","visible");
  _rob_showhidelayer("infosportfolio1c","visible");
  _rob_showhidelayer("infosportfolio2","visible");
  _rob_showhidelayer("texteportfolio","visible");
  _rob_showhidelayer("blocportfolio2","visible");
}