// Stile per mac
	if (navigator.userAgent.indexOf("Mac") != -1 && navigator.appName == "Netscape")
		document.write('<LINK HREF="/nuovo/style_mac_ntsc.css" REL="stylesheet" TYPE="text/css">');
	else if (navigator.userAgent.indexOf("Mac") != -1 && navigator.appName == "Microsoft Internet Explorer")
		document.write('<LINK HREF="/nuovo/style_mac_ie.css" REL="stylesheet" TYPE="text/css">');
// Stili per win
	else if (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.indexOf("5.") != - 1)
		document.write ('<LINK HREF="/nuovo/style_msie5.css" REL="stylesheet" TYPE="text/css">');
	else if (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.indexOf("4.") != - 1)
		document.write ('<LINK HREF="/nuovo/style_msie4.css" REL="stylesheet" TYPE="text/css">');
	else if (navigator.appName == "Netscape" && navigator.appVersion.indexOf("4.") != - 1)
		document.write ('<LINK HREF="/nuovo/style_ntsc4.css" REL="stylesheet" TYPE="text/css">');
	else if (navigator.appName == "Netscape" && navigator.appVersion.indexOf("5.") != - 1)
		document.write ('<LINK HREF="/nuovo/style_ntsc6.css" REL="stylesheet" TYPE="text/css">');
	else 
		document.write ('<LINK HREF="/nuovo/style_msie4.css" REL="stylesheet" TYPE="text/css">');