var ongletSelected='all';function selOnglet(a){if(ongletSelected!=a){$('content-'+ongletSelected).style.display='none';$('nav-'+ongletSelected).className="ong-unsel";ongletSelected=a;$('content-'+ongletSelected).style.display='block';$('nav-'+ongletSelected).className='ong-sel'}}