var ua = navigator.userAgent;
if (ua.indexOf('iPhone') != -1 || ua.indexOf('Android') != -1){
	var zoom_ratio = 320/599;
    document.write('<link rel="stylesheet" type="text/css" href="/share/css/base.iphone.css" />');
	document.write('<meta name="viewport" content="width=device-width, initial-scale='+zoom_ratio+', maximum-scale=1" />');
}