function contenuPlus (contenu) {
	document.getElementById('contenuPlus').innerHTML = "<img src='" + contenu + "' width='350' height='350' />" ;
	document.getElementById('contenuPlus').style.display='block';
	document.getElementById('contenuPlus').className='transparence10';
	setTimeout("document.getElementById('contenuPlus').className='transparence20';", 25);
	setTimeout("document.getElementById('contenuPlus').className='transparence30';", 50);
	setTimeout("document.getElementById('contenuPlus').className='transparence40';", 75);
	setTimeout("document.getElementById('contenuPlus').className='transparence50';", 100);
	setTimeout("document.getElementById('contenuPlus').className='transparence60';", 125);
	setTimeout("document.getElementById('contenuPlus').className='transparence70';", 150);
	setTimeout("document.getElementById('contenuPlus').className='transparence80';", 175);
	setTimeout("document.getElementById('contenuPlus').className='transparence90';", 200);
	setTimeout("document.getElementById('contenuPlus').className='transparence100';", 250);
}

function contenuMoins () {
	document.getElementById('contenuPlus').className='transparence10';
	document.getElementById('contenuPlus').style.display='none';
}