var mobileKeyWords = new Array('iPhone', 'iPod','iPad', 'BlackBerry', 'Android', 'Windows CE', 'LG', 'MOT', 'SAMSUNG', 'SonyEricsson');
 for (var word in mobileKeyWords) {
  if (navigator.userAgent.match(mobileKeyWords[word]) != null) {
   location.href = "/m/";
   break;
  }
 }