function ouvrepopup(lien,titre,option){
	//'toolbar=no, menubar=no, location=no, directories=no, status=no, resizeable=no, width=350, height=350'
	window.open(lien,titre,option);	
}
function zoomImage(url){
	img = new Image();
	img.src = url;
	if(document.getElementById('cImg')){
		
	} else {
		cImg = "<div id=\"cImg\" style='position: absolute;background-color: #000000;text-align: center;padding: 5px;' onclick='cacherImage();'></div>";
		document.body.innerHTML = cImg + document.body.innerHTML;
	}
	if (document.body){
		var larg = (document.body.clientWidth);
		var haut = (document.body.clientHeight);
		var top = document.body.scrollTop;
	}else{
		var larg = (window.innerWidth);
		var haut = (window.innerHeight);
		var top = document.documentElement.scrollTop;
	}
	document.getElementById('cImg').innerHTML = "<img src=\""+url+"\" width="+img.width+" height="+img.height+"/>";
	// Définition de la grandeur du cadre et centrage
	document.getElementById('cImg').style.height = img.height+"px";
	document.getElementById('cImg').style.width = img.width+"px";
	document.getElementById('cImg').style.top = ((haut-img.height)/2)+"px";
	document.getElementById('cImg').style.left = ((larg-img.width)/2)+"px";
	document.getElementById('cImg').style.display = 'block';
}
function cacherImage(){
	document.getElementById('cImg').style.display = 'none';
}

function ouvrirAide(nom_fichier) {
	option = 'toolbar=no, menubar=no, location=no, directories=no, status=no, resizeable=yes, scrollbars=yes, width=400, height=600';
	window.open(nom_fichier,"Aide",option);
}