var position=198;

window.onscroll = function() {
	objetZoom=document.getElementById("zoom");
	position=document.documentElement.scrollTop+198;
	objetZoom.style.top=position+"px";
}

function afficherPhoto(id){
	objetZoom=document.getElementById("zoom");
	imageZoom=document.getElementById("photoZoom");
	imageZoom.src="../images/photos_web/"+id;
	objetZoom.style.visibility="visible";
}

function masquerPhoto(){
	objetZoom=document.getElementById("zoom");
	imageZoom=document.getElementById("photoZoom");
	imageZoom.src="../images/load.jpg";
	objetZoom.style.visibility="hidden";
}

function masquerFond(){
	objetZoom=document.getElementById("zoomFond");
	imageZoom=document.getElementById("fondZoom");
	imageZoom.src="../images/load.jpg";
	objetZoom.style.visibility="hidden";
}

function afficherFond(id){
	objetZoom=document.getElementById("zoomFond");
	imageZoom=document.getElementById("fondZoom");
	imageZoom.src="../images/photos_web/"+id;
	objetZoom.style.visibility="visible";
	down=document.getElementById("lienTelechargement");
	down.href="../images/fonds_ecran/"+id;
}