/*
OS detector
*/
if (navigator.userAgent.indexOf('Mac')!=-1) {
document.write('<link rel="stylesheet" type="text/css" href="http://www.rcmh.org.uk/css/rcmh-serif.css" />');
}


/*
resolution detector
*/
if (screen.width < 900) {
document.write('<link rel="stylesheet" type="text/css" href="http://www.rcmh.org.uk/css/s.css" />');
} 
else {
document.write('<link rel="stylesheet" type="text/css" href="http://www.rcmh.org.uk/css/l.css" />');
}