// JavaScript Document
function voir(src,divid,nomid) {
	document.images[nomid].src=src;
	var calque_ = document.getElementById(divid).style;
	calque_.visibility ='visible';
} 
function cache(divid,nomid) { 
	document.images[nomid].src="";
	calque_ = document.getElementById(divid).style; 
	calque_.visibility = 'hidden'; 
}