if ( cssEngine != null )
if ( cssEngine == null )
	public IStyle getComputedStyle( )	{		if ( computedStyle == null )		{			CSSEngine cssEngine = null;			if ( report != null )			{				cssEngine = report.getCSSEngine( );			}			if ( cssEngine != null )			{				cssEngine = new BIRTCSSEngine( );			}			computedStyle = new ComputedStyle( this );		}		return computedStyle;	}