void commandCB(const maxon_slider::maxon_command::ConstPtr& msg)
{
	ROS_INFO("HEARD!");
}

int main(int argc, char **argv)
{
    ros::init(argc, argv, "eric_slider_server");
    ros::NodeHandle nh("~");
    if(!nh.getParam("nodeId",nodeId)){
        ROS_WARN("unable to load required parameter %s!",nh.resolveName("nodeId").c_str());
        return -1;
    }

    std::stringstream sstm;
    std::string res;
    sstm << "/eric_a2z_hand_" << nodeId << "/command";
    res = sstm.str();
    ros::Subscriber command_sub = nh.subscribe(res,10,commandCB);


    ROS_INFO("slider topics started with nodeId=%d",nodeId);

    ros::Rate loop_rate(10.0);
    while (ros::ok())
	{
	   	ros::spinOnce();
		loop_rate.sleep();
	}
}