function getItemInventory(profileid,callback){
  http.get('http://steamcommunity.com/profiles/'+profileid+'/inventory/json/'+appid+'/2', function(res) {
    var data = "";
    res.on('data', function (chunk) {
      data += chunk;
    });
    res.on("end", function() {
      callback(data);
    });
  }).on("error", function() {
    callback(null);
  });
}