Bug 161186 Effects in viewer and PDF are not the same
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFAbstractLM.java
style.setProperty( IStyle.STYLE_BORDER_TOP_WIDTH, IStyle.NUMBER_0 );
			style.setProperty( IStyle.STYLE_BORDER_BOTTOM_WIDTH, IStyle.NUMBER_0 );
		}
	}
	protected void removeMargin( IStyle style )
	{
		if ( style != null )
		{
			style.setProperty( IStyle.STYLE_MARGIN_LEFT, IStyle.NUMBER_0 );
			style.setProperty( IStyle.STYLE_MARGIN_RIGHT, IStyle.NUMBER_0 );
			style.setProperty( IStyle.STYLE_MARGIN_TOP, IStyle.NUMBER_0 );
			style.setProperty( IStyle.STYLE_MARGIN_BOTTOM, IStyle.NUMBER_0 );
		}
	}
	protected boolean isHidden( )
	{
		if ( content != null )
		{
			IStyle style = content.getComputedStyle( );
			if(!IStyle.NONE_VALUE.equals(style.getProperty( IStyle.STYLE_DISPLAY )))
			{
				return isHiddenByVisibility( );
			}
			else
			{
				return true;
			}
		}
		return false;
	}