if (navigator.appName == 'Netscape')
	{
		var browser2 = new RegExp('Safari');
		var browser3 = new RegExp('Firefox');
		
		var response2 = browser2.exec(navigator.userAgent);
		var response3 = browser3.exec(navigator.userAgent);
		if (response2 != null) {
		  document.write('<link rel="stylesheet" type="text/css" href="data/styles_safari.css">');
		}
		if (response3 != null) {
		  document.write('<link rel="stylesheet" type="text/css" href="data/styles_firefox.css">');
		}
	}