function change_onglleet(name){document.getElementById('onglleet_'+anc_onglleet).className='onglleet_0 onglleet';document.getElementById('onglleet_'+name).className='onglleet_1 onglleet';document.getElementById('contenu_onglleet_'+anc_onglleet).style.display='none';document.getElementById('contenu_onglleet_'+name).style.display='block';anc_onglleet=name}