code: private void justify() {
  		if (m_staffLines.size()>1) {
  			double maxWidth = ((JStaffLine)m_staffLines.elementAt(0)).getWidth();
  			for (int i=1; i<m_staffLines.size();i++){
  				JStaffLine currentStaffLine = (JStaffLine)m_staffLines.elementAt(i);
  				maxWidth = Math.max(maxWidth, currentStaffLine.getWidth());
  			}
  			for (int i=0; i<m_staffLines.size();i++) {
  				JStaffLine currentStaffLine = (JStaffLine)m_staffLines.elementAt(i);
  				if (currentStaffLine.getWidth()>maxWidth/2)
  					currentStaffLine.scaleToWidth(maxWidth);
  			}
  		}
  	}
docs: Triggers the re computation of all staff lines elements in order to
  get the alignment justified.