function montre_photo_galerie(img) {
	document.getElementById('photo_zoom').src='/images/actualites/zoom/'+img;
	document.getElementById('conteneur_photo').style.display='block';
	new Effect.Appear('photo_zoom2' , {duration:1.5});
}

function cache_photo_galerie() { 
	new Effect.Fade('photo_zoom2' , {duration:1.5});
	setTimeout("document.getElementById('conteneur_photo').style.display='none';document.getElementById('photo_zoom').src='';",1000);
}