ypturb = (int)((double)m_JitterVal * yj);
ypturb = (int)((double)m_JitterVal * (yj / 2.0));
    int pturbY(double yvalP, double yj) {      int ypturb = 0;      if (m_JitterVal > 0) {	ypturb = (int)((double)m_JitterVal * yj);	if (((yvalP + ypturb) < m_YaxisStart) || 	    ((yvalP + ypturb) > m_YaxisEnd)) {	  ypturb *= -1;	}      }      return ypturb;    }