Bug 147676 [regression]Visibility set in the first col will affect the second col
Description: Visibility set in the first col will affect the second col Steps to reproduce: 1. Insert a grid(3*3), insert contents to each cell. 2.Set the first col to hide all in visibility and preview Expected result: Only the first col is hidden. Actual result: The second col is hidden, too. If you set the second col in step2, the third col will disappear.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/parser/EngineIRVisitor.java
*            the master page design
	 * @return the content style
	 */
	protected String setupBodyStyle( MasterPageDesign design )
	{
		String styleName = design.getStyleName( );
		IStyle style = report.findStyle( styleName );
		if ( style == null || style.isEmpty( ) )
		{
			return null;
		}
		StyleDeclaration contentStyle = new StyleDeclaration( cssEngine );
		contentStyle.setProperty( IStyle.STYLE_BACKGROUND_COLOR, style
				.getProperty( IStyle.STYLE_BACKGROUND_COLOR ) );
		contentStyle.setProperty( IStyle.STYLE_BACKGROUND_IMAGE, style
				.getProperty( IStyle.STYLE_BACKGROUND_IMAGE ) );
		contentStyle.setProperty( IStyle.STYLE_BACKGROUND_POSITION_Y, style
				.getProperty( IStyle.STYLE_BACKGROUND_POSITION_Y ) );
		contentStyle.setProperty( IStyle.STYLE_BACKGROUND_POSITION_X, style
				.getProperty( IStyle.STYLE_BACKGROUND_POSITION_X ) );
		contentStyle.setProperty( IStyle.STYLE_BACKGROUND_REPEAT, style
				.getProperty( IStyle.STYLE_BACKGROUND_REPEAT ) );
		String bodyStyleName = assignStyleName( contentStyle );
		return bodyStyleName;
	}
	private void setupElementIDMap( ReportElementDesign rptElement )
	{
		report.setReportItemInstanceID( rptElement.getID( ), rptElement );
	}
}