if (navigator.userAgent.indexOf('iPhone') > 0 || navigator.userAgent.indexOf('Android') > 0 || navigator.userAgent.indexOf('iPod') > 0){

	document.write('<link rel="stylesheet" type="text/css" href="css/ip.css">');

}else {

	document.write('<link rel="stylesheet" type="text/css" href="css/pc.css">');

}