<!--
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';
    }
  }
  
function Show (a)
{
	if (document.getElementById(a) .style.display == 'none') {
		document.getElementById(a) .style.display = '';
	}
	else {
		document.getElementById(a) .style.display='none';
	}
}  
 -->