code: public Paint getTableHeaderInteriorPaint(Shape s, CommonControlState type, boolean isSorted) {
          return getCommonInteriorPaint(s, type);
  //        FourColors colors = getTableHeaderColors(type, isSorted);
  //        return createVerticalGradient(s, colors);
      }
docs: DOCUMENT ME!
  
  @param  s        DOCUMENT ME!
  @param  type     DOCUMENT ME!
  @param  isSorted DOCUMENT ME!
  
  @return DOCUMENT ME!