function OuvrirPopup(page) {
  window.open(page,"Virtual_Guide","left=650,top=250,width=600,height=700,toolbar=no,location=no,resizable=yes,status=no,menubar=no,scrollbars=yes");
}
function OuvrirPopup2(page) {
  window.open(page,"Virtual_Guide","left=450,top=100,width=700,height=800,toolbar=no,location=no,resizable=yes,status=no,menubar=no,scrollbars=yes");
}