function affiche($elt1, $elt2, $nb)
{
	$elt1=document.getElementById($elt1);
	$elt1.style.display='block';
	
	$elt2=document.getElementById($elt2);
	$elt2.style.display='none';	
}

function affiche_cache($elt)
{
	$Elt=document.getElementById($elt);
	if($Elt.style.display=='none')
		$Elt.style.display='block';
	else
		$Elt.style.display='none';
}

function ouvre($id, $height)
{
	window.addEvent('domready', function() {

	var Elt1 = $('gauche'+$id);
	var Elt2 = $('contenu'+$id);
	var Elt3 = $('droite'+$id);
	
	
	
	$('ouvrir'+$id).addEvent('click', Elt1.tween.bind(Elt1, ['height', $height+'px']));
	$('ouvrir'+$id).addEvent('click', Elt2.tween.bind(Elt2, ['height', $height+'px']));
	$('ouvrir'+$id).addEvent('click', Elt3.tween.bind(Elt3, ['height', $height+'px']));
	});
}

function ferme($id)
{
	window.addEvent('domready', function() {

	var Elt1 = $('gauche'+$id);
	var Elt2 = $('contenu'+$id);
	var Elt3 = $('droite'+$id);
	
	$('fermer'+$id).addEvent('click', Elt1.tween.bind(Elt1, ['height', '157px']));
	$('fermer'+$id).addEvent('click', Elt2.tween.bind(Elt2, ['height', '157px']));
	$('fermer'+$id).addEvent('click', Elt3.tween.bind(Elt3, ['height', '157px']));
	
	});
}

function confirmSubmit(msg) {
	agree=confirm(msg);
	if (agree)
		return true;
	else
		return false;
}