<!-- 
function afficheId(baliseId){
 if(document.getElementById && document.getElementById(baliseId) != null){
  document.getElementById(baliseId).style.visibility='visible';
  document.getElementById(baliseId).style.display='block';
 }
}

function cacheId(baliseId){
 if(document.getElementById && document.getElementById(baliseId) != null){
  document.getElementById(baliseId).style.visibility='hidden';
  document.getElementById(baliseId).style.display='none';
 }
}
-->