public void Registrarion()
    {
        WWWForm form = new WWWForm ( );
        form.AddField ( "command" , "registration" );
        form.AddField ( "login" , login_field.text );
        form.AddField ( "password" , pass_field.text );
        WWW www = new WWW ( url , form );
        StartCoroutine ( WaltForResquet ( www ) );
    }

    private IEnumerator WaltForResquet( WWW www )
    {
        if ( login_field.text.Length > 0 && pass_field.text.Length > 0 )
        {
            while ( www.isDone == false )
            {
                logError.text = "Отправка данных...";
                if(www.error != null)
                {
                    logError.text = "Ошибка подключения!";
                }
                yield return true;
            }
        }

        yield return www;

        if ( www.text.Length > 0 )
        {
            string [ ] tmp = www.text.Split ( '|' );
            switch ( tmp [ 0 ] )
            {
                case "logingOK":
                    LoginOK?.Invoke ( tmp [ 1 ], tmp[2],tmp[3]);
                    break;
                case "logingERR":
                    LoginERR?.Invoke ( tmp [ 1 ] );
                    break;
                case "regOK":
                    RegOK?.Invoke ( tmp [ 1 ] );
                    break;
                case "regERR":
                    RegERR?.Invoke ( tmp [ 1 ] );
                    break;
            }
            Debug.Log ( www.text );
        }
    }