function debut(){
	images = document.getElementsByTagName('img');
	for(i=0;i<images.length;i++)
	{
		if(images[i].className=='zoom')
		{
			images[i].onclick = zoom;
		}
	}
}

function zoom(e)
{
	levent = document.all?event:e;
	cible=document.all?event.srcElement:e.target;
	cible.onclick = null;
	limg = document.createElement('img');
	limg.id=cible.src;
	grandSrc =  cible.src.replace("\.jpg","g.jpg");
	limg.src= grandSrc;
	limg.style.position="absolute";
	limg.style.top = "200px";
	limg.style.left="450px";
	limg.style.padding="4px";
	limg.style.border="solid 1px #000";
	limg.style.background="#FFF";
	document.getElementsByTagName('body')[0].appendChild(limg);
	cible.onmouseout = fermer; 
}

function fermer(e)
{
	cible=document.all?event.srcElement:e.target;
	cible.onclick = zoom;
	cible.onmouseout = null;
	document.getElementsByTagName('body')[0].removeChild(document.getElementsByTagName('body')[0].lastChild);
}