var ua = navigator.userAgent;
  var splitUA = ua.split(";");
  var splitUA2 = splitUA[0].split("(");
  var refURL = document.referrer;
  var splitREFURL = refURL.split("/");

  if (splitUA2[1] == "iPhone" || splitUA2[1] == "iPod") {	// for iPhone,iPod touch
    if (splitREFURL[2] != "mobilepcclub.com") {
      location.assign("http://mobilepcclub.com/i/");
    }
  }

  function Orientation() {
    var orientation = window.orientation;
    if (orientation == 0) {
      var res = confirm("iPhone向けサイトで表示しますか？");
      if(res == true){
        var JPpage = "http://mobilepcclub.com/i//";
        top.location.href=JPpage;
      }
    }
  }