@Override
        protected Object doInBackground(Object... params) {
        String currentPassord = (String) params[0];
        String URL = PHPURL.url + "check_current_password.php";

        try {
            HttpClient client = Singleton.getInstance(getActivity()).getHttpClient();
            HttpPost post = new HttpPost(URL);

            List<NameValuePair> params1 = new ArrayList<NameValuePair>();
            params1.add(new BasicNameValuePair("currentPassord", currentPassord));

            UrlEncodedFormEntity ent = new UrlEncodedFormEntity(params1,HTTP.UTF_8);
            post.setEntity(ent);

            HttpResponse responsePOST = client.execute(post);
            HttpEntity resEntity = responsePOST.getEntity();

            if (resEntity != null) {
                String result = EntityUtils.toString(resEntity);
                JSONArray jarr = new JSONArray(result);

                for(int i =0 ; i < jarr.length(); i++){

                    JSONObject jobj  = jarr.getJSONObject(i);
                    session_state = jobj.getString("session");
                    if(session_state.equals("success")){
                        check_pw = jobj.getString("check_pw");
                    }
                }
            }
        } catch (Exception e) {
            Log.d("EXCEPTION", "ERROR IS " + e.getMessage());
            e.printStackTrace();
        }
        return null;
    }

private Singleton(Context context){
    this.context = context;
    client = new DefaultHttpClient();
    manager = new Manager();
 }

public static Singleton getInstance(Context c){
    if(uniqueInstance == null){
        synchronized (Singleton.class) {
            if(uniqueInstance == null){
                uniqueInstance = new Singleton(c.getApplicationContext());
            }
        }
    }
    return uniqueInstance;
}

public HttpClient getHttpClient(){
    return client;
}