(function(fs){

  function inSegment(fs, segment, callback){
    fs('get','segment/in/'+JSON.stringify(segment),function(res){
      if(typeof callback == "function"){
        callback(res);
      }else if(typeof callback == "object" && callback.style !== undefined){
        if(result.status == "success"){
          if(result.result){
            callback.style.display = "";
          }else{
            callback.style.display = "none";
          }
        }
      }else{
        if(result.status == "success"){
          fs('ready',function(){
            var el = document.getElementById(callback);
            if(result.result){
              el.style.display = "";
            }else{
              el.style.display = "none";
            }
          });
        }
      }
      
    });
  }
  fs('extend', 'inSegment', inSegment);
  fs('addDataTag', 'in-segment', inSegment);
})(window[window['FS_CORE_NAME']]);