if(null != navigator) {
  var iphoneDirStr = "programs/i";
  if(navigator.userAgent.indexOf("iPhone;")!=-1 || navigator.userAgent.indexOf("iPod;")!=-1) {
    if(location.pathname.indexOf("/"+iphoneDirStr+"/") != 0) {
      location.replace("http://"+document.domain+"/"+iphoneDirStr+location.pathname);
    }
  }
}