var stylesheet;

if (is_nav4) {
  		stylesheet="<link rel='stylesheet' href='/styleNav.css'>";
} else {
		stylesheet="<link rel='stylesheet' href='/styleEi.css'>";
}

document.write(stylesheet);


/* penser a traiter le pb des fontes sur mac */

/*
if (is_mac) {
	if (is_ie || is_gecko) {
		document.write("<link rel='stylesheet' href='/styleEi.css'>");
	} else {
		document.write("<link rel='stylesheet' href='/styleNav.css'>");
	}
} else {
	if (is_win) {
		if (is_ie || is_gecko) {
			document.write("<link rel='stylesheet' href='/styleEi.css'>");
		} else {
			document.write('<link rel="stylesheet" href="/styleNav.css">');
		}
	}
}*/