function voirPhoto(nom,p1,p2){
	var ygal=document.getElementById("ygal");
	var ypic=document.getElementById("ypic");
	var yfader=document.getElementById("yfader");
	var cont_ypic=document.getElementById("cont_ypic");
	
	document.getElementById("y_marque").value=p1+"/"+p2;
	
	
	h=ygal.offsetHeight;

	yfader.style.display="block";
	yfader.style.height=h+"px";
	cont_ypic.style.display="block";
	ypic.src=nom;
	
}

function cacheImage(){

	var ygal=document.getElementById("ygal");
	var ypic=document.getElementById("ypic");
	var yfader=document.getElementById("yfader");
	var cont_ypic=document.getElementById("cont_ypic");
	yfader.style.display="none";
	cont_ypic.style.display="none";
	
	
}