var image = 1;
function Animation () {
	setTimeout("ChangementImage()", 2000);
}

function ChangementImage () {
	image++;
	if (image!=11) {
		document.getElementById('galerie').style.backgroundImage = "url('images/animation/image-"+image+".jpg')";
	} else {
		image = 1;
		document.getElementById('galerie').style.backgroundImage = "url('images/animation/image-"+image+".jpg')";
	}
	Animation();
}