function affichePhoto(url,format) {
	var obj=document.getElementById('GrandePhoto');
	if (url=='') {
		obj.innerHTML='';
		obj.style.visibility='hidden';
		document.getElementById('flou').style.visibility='hidden';
	} else {
		obj.innerHTML='<a href="javascript:affichePhoto(\'\',\'\')"><img src="'+url+'" border=0></a>';
		obj.className='Photo'+format;
		document.getElementById('flou').style.visibility='visible';
		document.getElementById('flou').style.height=document.body.offsetHeight+'px';
		obj.style.visibility='visible';
		return false;
	}
}