if(navigator.userAgent.match(/iPad/i)) {
document.open();
document.write('<link type="text\/css" rel="stylesheet" media="all" href="\/css\/ios.css">');
document.close();
}else if(navigator.userAgent.match(/iPhone/i)) {
document.open();
document.write('<link type="text\/css" rel="stylesheet" media="all" href="\/css\/ios.css">');
document.close();
}