function agrandir(id){
document.getElementById("grande").src = "./photos/galerie/maxi/" + id;
document.getElementById("descriptiondiaporama").innerHTML = document.getElementById(id).alt;
}
function defile(position)
{
	liste = document.getElementById("diaporama");
	var miniatures = liste.getElementsByTagName('li');
	for(var i = 0; i < miniatures.length; i++)
	{
		if(i >=position && i <= position + 2){miniatures[i].style.display = "inline";}
		else{miniatures[i].style.display = "none";}
	}
}