function switchDIV(s) 
{
	if (document.getElementById && document.getElementById(s) != null)
	{
		var div = document.getElementById(s);
		if (!div.style.visibility || div.style.visibility=='hidden' ) 
			afficheId(s);
		else
			cacheId(s);
	}
}

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';
  	}
}