browserName = navigator.appName.substring(0,8);
browserVer = parseFloat(navigator.appVersion);
var is_safari = navigator.userAgent.toLowerCase().indexOf('safari') > -1;

var Browser = 0;

if (browserName == 'Microsof' && browserVer < 4){Browser = 0;}
if (browserName == 'Microsof' && browserVer >= 4){Browser = 1;}
if (browserName == 'Netscape' && browserVer < 4){Browser = 1;}
if (browserName == 'Netscape' && browserVer >= 4){Browser = 1;}

if (is_safari){
	document.write("<link href='css/style_safari.css' rel='stylesheet' type='text/css' />");
}else{
	if (browserName == 'Microsof'){
		document.write("<link href='css/style.css' rel='stylesheet' type='text/css' />");
	}else{
		document.write("<link href='css/style_moz.css' rel='stylesheet' type='text/css' />");
	}
}