var regDomain = 'www.hotelkunlun.com';
var mobDomain = 'm.hotelkunlun.com';
var allDomain = 'hotelkunlun.com';
var myDomain = document.domain;
var myPage = document.URL;
var mobileCk = readCookie('ismobile');
var ismobile = false;
var istablet = false;
function mobileRedirect()
{
 if (navigator.userAgent.match(/iPad/i) != null ||
 (navigator.userAgent.match(/Android/i) != null && navigator.userAgent.match(/mobile/i) == null))
 {
  istablet = true;
 }
 else if (navigator.userAgent.match(/iPod/i) != null ||
  navigator.userAgent.match(/iPhone/i) != null || 
  navigator.userAgent.match(/Android/i) != null ||
  navigator.userAgent.match(/webOS/i) != null || 
  navigator.userAgent.match(/IEMobile/i) != null ||
  navigator.userAgent.match(/BlackBerry/i) != null)
 {
  ismobile = true;
 }
 
 if (ismobile == true || istablet == true)
 {
  
  if (myPage.match(/ismobile=false/i) != null)
  {
   setCookie(false);
  }
  else if (myDomain.indexOf(regDomain) >= 0 && mobileCk == null || myDomain.indexOf(regDomain) >= 0 && mobileCk == 'true')
  {
   var newPage = myPage.replace(new RegExp(regDomain, 'gi'), mobDomain);
   setCookie(true);
   
   window.location = newPage;
  }
  else if (myDomain.indexOf(mobDomain) >= 0)
  {
   setCookie(true);
  }
  
 }
}
function setCookie(val)
{
 var myDate = new Date();
 myDate.setDate(myDate.getDate()+5);
 
 document.cookie = 'ismobile=' + val + ';expires=' + myDate + ';path=/;domain=' + allDomain;
}
function readCookie(name) 
{
 var nameEQ = name + "=";
 var ca = document.cookie.split(';');
 for(var i=0;i < ca.length;i++) {
  var c = ca[i];
  while (c.charAt(0)==' ') c = c.substring(1,c.length);
  if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
 }
 return null;
}