function ezShadedRectangle( $x1, $y1, $width, $height, $col1, $col2, $direction = 'vertical' )
    {
        $this->shadedRectangle( $x1, $y1, $width, $height, array( 'orientation' => $direction,
                                                                  'color0' => $col1,
                                                                  'color1' => $col2,
                                                                  'size' => array( 'x1' => $x1,
                                                                                   'y1' => $y1,
                                                                                   'width' => $width,
                                                                                   'height' => $height ) ) );
    }