document.write('<style>');
document.write("#shadow{ filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='/img/shw_gauche_page.png', sizingMethod='scale');}");
document.write("#shadow3{ filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='/img/shw_droit_page.png', sizingMethod='scale');}");
document.write("#shadow2,#shadow4{filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);}");
document.write('</style>');


var ns = (navigator.appName=="Netscape" && parseInt(navigator.appVersion)>=4)?true:false
var ie = (navigator.appName=="Microsoft Internet Explorer" && parseInt(navigator.appVersion)>=4)?true:false
var ns6 = (document.getElementById&&!document.all)

var safari = new String(navigator.appVersion);
var expr=/safari/gi;
Saf = safari.search(expr);

var navigsaf = (Saf!=-1)?true:false;

function menu(idmenu){
	nomenu=getLayer(idmenu);
	nomenu.className = "done";
}

function collapse(menu,smenu){
	nomsmenu=getLayer(smenu);
	nommenu=getLayer(menu);
	
	if(nomsmenu.style.display=="block"){
		nomsmenu.style.display="none";
		nommenu.className = "";
	}
	else{
		nomsmenu.style.display="block";
		nommenu.className = "done";
	}
}

function getLayer(name) {
  if (ie)
    return eval('document.all.' + name);
	if (ns6)
		return document.getElementById(name);
  return null;
}