function makeActive(id){
for (var i=1; i<5; i++){
	
	var el=document.getElementById("_"+i);
	el.className="onglet_passif";
	switch(i){
	case 1:
	el.firstChild.src="images/onglet_l_passif.gif";
	el.firstChild.nextSibling.src="images/onglet_passif_r.gif";
	break;
	case 4:
	el.firstChild.src="images/onglet_rien_passif.gif";
	break;
	default:
	el.firstChild.src="images/onglet_passif_r.gif";
	break;
	}
	
	}
	var el=document.getElementById("contenuOnglet");
	el.innerHTML=document["onglet"+id];
	
	var idm=id-1;
	var idm="_"+idm;
	id="_"+id;
	var el=document.getElementById(id);
	var elm=document.getElementById(idm);
	el.className="onglet_actif";
	switch(id){
	case "_1":
	el.firstChild.src="images/onglet_l_actif.gif";
	el.firstChild.nextSibling.src="images/onglet_actif_r.gif";
	break;
	case "_2":
	el.firstChild.src="images/onglet_actif_r.gif";
	elm.firstChild.nextSibling.src="images/onglet_actif_l.gif";
	break;
	case "_4":
	el.firstChild.src="images/onglet_rien_actif.gif";
	elm.firstChild.src="images/onglet_actif_l.gif";
	break;
	default:
	el.firstChild.src="images/onglet_actif_r.gif";
	elm.firstChild.src="images/onglet_actif_l.gif";
	break;
	}
	
}
function setPage(){
	for (var i=1; i<5; i++){
	 	var el=document.getElementById("_"+i+"_");
		
		document["onglet"+i]=el.innerHTML;
	}
	var el=document.getElementById("contenuOnglet");
	el.innerHTML=document["onglet1"];
}