function visibilite()
{
	var targetElement;
	targetElement = document.getElementById("fenetre") ;
	if (targetElement.style.display != "none")
	{
		targetElement.style.display = "none" ;
	}
}

function map(id_laboratoire)
{
	document.getElementById('filter').style.display= 'block';
	document.getElementById('box'+id_laboratoire).style.display='block';
}