function hme_checkairport(oSelect)
{
var oDepartSelect = document.getElementById("fsitedep");
var oRetourSelect = document.getElementById("fsiteret");
   
   
  //Aeroport
  if(oDepartSelect.value == 5 || oRetourSelect.value == 5)
  {
  document.formulaire.op_aero.checked = true;
  document.formulaire.fop_aero.value=18;

  }
  else 
  {
  document.formulaire.op_aero.checked = false;
  document.formulaire.fop_aero.value="";
  }

  
  //LAMENTIN Port Aeroport
  if(oDepartSelect.value == 4 || oRetourSelect.value == 4 ||oDepartSelect.value == 3 || oRetourSelect.value == 3 || oDepartSelect.value == 2 || oRetourSelect.value == 2)
  {
  document.formulaire.op_liv.checked = true;
  document.formulaire.fop_liv.value=20;

  }
  else 
  {
  document.formulaire.op_liv.checked = false;
  document.formulaire.fop_liv.value="";
  }
}