Nom_Browser = navigator.appName;
if ( Nom_Browser == "Netscape" ) {
	document.writeln('<link rel="stylesheet" type="text/css" href="/css/acmnvie_firefox.css" media="screen">');
} else if ( Nom_Browser == "Microsoft Internet Explorer" ){
	document.writeln('<link rel="stylesheet" type="text/css" href="/css/acmnvie.css" media="screen">');
}