function afficherImage(curl,cwidth,cheight) {	
	var container = document.getElementById("containerImage");
	var showDiv = document.getElementById('containerImageImage');
	container.style.visibility = "visible";	
	showDiv.style.background = 'url(imgs/'+curl+') no-repeat';	
	showDiv.style.width = cwidth+"px";
	showDiv.style.height = cheight+"px";
	showDiv.style.margin = "auto";
	container.onclick = hideShowDiv;
	showDiv.onclick = hideShowDiv;
}

function hideShowDiv() {
	var container = document.getElementById("containerImage");
	container.style.visibility = "hidden";
}