code: protected boolean intersectsVertically(CmsPositionBean p1, CmsPositionBean p2) {
  
          return intersectIntervals(p1.getTop(), p1.getTop() + HEIGHT, p2.getTop(), p2.getTop() + HEIGHT);
      }
docs: Checks whether two positions intersect vertically.<p>
  
  @param p1 the first position
  @param p2 the second position
  
  @return if the positions intersect vertically