function valid_paiement(mode){
	document.form_paiement.elements['mode_paiement'].value = mode;
	document.form_paiement.submit();
}

function affich_telephone(){
	document.getElementById('Layer_det4').style.visibility='visible';
	document.getElementById('Layer_det4').style.display='block';
	}
	
function cache_telephone(){
	document.getElementById('Layer_det4').style.visibility='hidden';
	document.getElementById('Layer_det4').style.display='none';
	}