function openRef(y){
  w =600;
  h = 500;
  t = (screen.height - h)/2;
  l = (screen.width - w)/2;
  wnd = window.open(y,y.target,'menubar=yes,scrollbars=yes,status=no,width=' + w + ',height=' + h + ',top=' + t + ', left = ' + l);
  wnd.moveTo(l,t);
  return wnd;
}

function openSend(y){
  w =600;
  h = 500;
  t = (screen.height - h)/2;
  l = (screen.width - w)/2;
  wnd = window.open(y,y.target,'menubar=no,scrollbars=yes,status=no,width=' + w + ',height=' + h + ',top=' + t + ', left = ' + l);  
  wnd.moveTo(l,t);
  return wnd;
}

function openMethodologie(y){
  w =600;
  h = 550;
  t = (screen.height - h)/2;
  l = (screen.width - w)/2;
  wnd = window.open(y,y.target,'menubar=yes,scrollbars=yes,status=no,resizable=yes,,width=' + w + ',height=' + h + ',top=' + t + ', left = ' + l);
  wnd.moveTo(l,t);
  return wnd;
}

function openeCode(y){
  w =600;
  h = 500;
  t = (screen.height - h)/2;
  l = (screen.width - w)/2;
  wnd = window.open(y,y.target,'menubar=yes,scrollbars=yes,status=no,resizable=yes,,width=' + w + ',height=' + h + ',top=' + t + ', left = ' + l);
  wnd.moveTo(l,t);
  return wnd;
}

function openFonctionnement(y){
  w =600;
  h = 500;
  t = (screen.height - h)/2;
  l = (screen.width - w)/2;
  wnd = window.open(y,y.target,'menubar=yes,scrollbars=yes,status=no,resizable=yes,,width=' + w + ',height=' + h + ',top=' + t + ', left = ' + l);
  wnd.moveTo(l,t);
  return wnd;
}

function openGroupeAlimentaire(y){
  w =600;
  h = 500;
  t = (screen.height - h)/2;
  l = (screen.width - w)/2;
  wnd = window.open(y,y.target,'menubar=yes,scrollbars=yes,status=no,resizable=yes,width=' + w + ',height=' + h + ',top=' + t + ', left = ' + l);
  wnd.moveTo(l,t);
  return wnd;
}

function openGuidePerso(y){
  w =600;
  h = 500;
  t = (screen.height - h)/2;
  l = (screen.width - w)/2;
  wnd = window.open(y,y.target,'menubar=yes,scrollbars=yes,status=no,resizable=yes,,width=' + w + ',height=' + h + ',top=' + t + ', left = ' + l);
  wnd.moveTo(l,t);
  return wnd;
}

function openEtiquette(y){
  w = 400;
  h = 450;
  t = (screen.height - h)/2;
  l = (screen.width - w)/2;
  wnd = window.open(y,y.target,'menubar=no,scrollbars=yes,status=no,width=' + w + ',height=' + h + ',top=' + t + ', left = ' + l);
  wnd.moveTo(l,t);
  return wnd;
}

function openJoindre(y){
  w = 430;
  h = 370;
  t = (screen.height - h)/2;
  l = (screen.width - w)/2;
  wnd = window.open(y,y.target,'menubar=no,scrollbars=no,status=no,width=' + w + ',height=' + h + ',top=' + t + ', left = ' + l);
  wnd.moveTo(l,t);
  return wnd;
}