// Dynamique des onglets
function show_or_hide(id,deb,fin)
{
var elem = document.getElementById("elem"+id);
var i = deb;
	for (i; i<fin; i++){
	var elem2 = document.getElementById("elem"+i);
	var elem3 = document.getElementById("bt"+i);
    	if (id==i){
			elem.style.display = "block";
			elem3.className = "actif";
		} else {
			elem2.style.display = "none";
			elem3.className = null;
		}
	}
	
}

// Afficher ou masquer un element
function affiche_masque(id)
{
var elem = document.getElementById(id);
    if ( elem.style.display == "block" )
    {elem.style.display = "none" ;}
    else {elem.style.display = "block";}
}

// Afficher un element
function affiche(id)
{
var elem = document.getElementById(id);
elem.style.display = "block";
}

// Masque un element
function masque(id)
{
var elem = document.getElementById(id);
elem.style.display = "none";
}

function popup(data,width,height,scrollbars){
	if(!width){
		width=640;
	}
	if(!height){
		height=480;
	}
	if(!scrollbars){
		scrollbars=0;
	}
	window.open(data,'Apercu','toolbar=0,status=0,location=0,directories=0,menubar=0,scrollbars='+scrollbars+',resizable=0,width='+width+',height='+height+',left=0,top=0');
}

function apercu(data){
	var elem = document.getElementById("agrandi");
	elem.src = data;
}