function IsPC() {
  var userAgentInfo = navigator.userAgent;
  var Agents = new Array("Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod");
  var flag = true;
  for (var v = 0; v < Agents.length; v++) {
       if (userAgentInfo.indexOf(Agents[v]) > 0) {
           flag = false;
           break;
        }
  }
  return flag;
}
$("#nav_pin").click(function(){
  if(IsPC()){
    if(localStorage.getItem('left_nav_status') == "close") {
      $("aside").fadeToggle(100);
      localStorage.setItem('left_nav_status', 'open');
    }else {
      $("aside").fadeToggle(100);
      localStorage.setItem('left_nav_status', 'close');
    }
  } else {
    $("aside").fadeToggle(100);
  }
});
if(!IsPC()){
  $("aside").hide();
}
if(localStorage.getItem('left_nav_status') == "close") {
  $("aside").hide();
}