function afficheImage(name){
	

	 
	 var photo = document.getElementById('photo');
	 photo.style.width = document.body.clientWidth+'px';
	 photo.style.display = 'block';
	 photo.style.top = "110%";
	 photo.innerHTML = "<p align='center'><font color='#FFFFFF'><b></b></font></p><img src='"+name+"' onClick='javascript: cacherImage()'/>"

	 var height;
	 if(navigator.appName == "Microsoft Internet Explorer"){
		 height = document.body.clientHeight;
	 }else{
		 height = document.documentElement.clientHeight;
	 }
	
	 var fond = document.getElementById('bg_fond');
	 fond.style.width = document.body.clientWidth+'px';
	 fond.style.height = height+'px';
	 fond.style.display = 'block';
	
}

function cacherImage(){
	
	var fond = document.getElementById('bg_fond');
	var photo = document.getElementById('photo');
	fond.style.display = "none";
	photo.style.display = "none";
	photo.innerHTML = "";
	
	
}