code: public static void moveBandsElemnts(int yOffset, JRDesignBand band) {
  		if (band == null)
  			return;
  
  		for (JRChild jrChild : band.getChildren()) {
  			JRDesignElement elem = (JRDesignElement) jrChild;
  			elem.setY(elem.getY() + yOffset);
  		}
  	}
docs: Moves the elements contained in "band" in the Y axis "yOffset"
  @param yOffset
  @param band