var w = screen.width;
var h = screen.height;
var agt = navigator.userAgent.toLowerCase();
var uri = window.location.pathname;

function isIPhone(w,h) {
    return (w==320 && h==396) ? true : false;
}

if (w<=400 && h<=400 && !uri.match("/mobile/") && !isIPhone(w,h)){
  window.location.href="/mobile/";
}