function isMac(){
	return (navigator.appVersion.indexOf("Mac") != -1)
}
function isMSIE(){
	return (navigator.appVersion.indexOf("MSIE") != -1)
}
function isMSIE5(){
	return ((parseInt(navigator.appVersion.substr(navigator.appVersion.indexOf('MSIE') + 4)) >= 5)&&isMSIE())
}
function isNav(){
	return (navigator.appName == "Netscape")
}
function isNav4(){
	return (isNav() && (parseFloat(navigator.appVersion) < 5))
}
function isSafari(){
	return ((navigator.vendor).indexOf("Apple") > -1);
}
if(isMac()){
	if(isNav4() || ((!(isMSIE5()) && isMSIE()))){
		document.write('<link rel="STYLESHEET" type="text/css" href="/styles/style_mac.css">');
	} else {
		document.write('<link rel="STYLESHEET" type="text/css" href="/styles/style.css">');
	}
} else {
	if (isNav4()){
		document.write('<link rel="STYLESHEET" type="text/css" href="/styles/style_netscape.css">');
	} else if (isNav()) {
		document.write('<link rel="STYLESHEET" type="text/css" href="/styles/style_mozilla.css">');
	} else {
		document.write('<link rel="STYLESHEET" type="text/css" href="/styles/style.css">');
	}
}

if(isMac() && isSafari() && navigator.appVersion.indexOf("Version/") == -1){
		document.write('<link rel="STYLESHEET" type="text/css" href="/styles/style_safari.css">');
}