var agt=navigator.userAgent.toLowerCase()
if ((agt.indexOf("mac") != -1) && (agt.indexOf("mozilla") !=-1) && (agt.indexOf("compatible") ==-1) && (parseInt(navigator.appVersion) >= 4)) {
document.write("<link rel=stylesheet href='/parkah/styles/css_mac4.css' type='text/css'>");
} else {
document.write("<link rel=stylesheet href='/parkah/styles/default.css' type='text/css'>");
}