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.emitter.html/src/org/eclipse/birt/report/engine/emitter/html/HTMLReportEmitter.java
}
			parent = parent.getParent( );
		}
		return null;
	}
	*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.emitter.IContentEmitter#endTable(org.eclipse.birt.report.engine.content.ITableContent)
	 *
	public void endTable( ITableContent table )
	{
		 pop( ) )
		{
			return;
		}
			i
		 includeSelectionHandler )
		{
			Object generateBy = table.getGenerateBy( );
			 generateBy instanceof TableItemDesign )
			{
				endSelectHandleTable( );
			}
			detailRowStateStack.pop( );
		}
				
		writer.closeTag( HTMLTags.TAG_TABLE );
		logger.log( Level.FINE, "[HTMLTableEmitter] End table" ); 
	}
	*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.emitter.IContentEmitter#startTableHeader(org.eclipse.birt.report.engine.content.ITableBandContent)
	 *
	public void startTableHeader( ITableBandContent band )
	{
		 isHidden( ) )
		{
			return;
		}
		writer.openTag( HTMLTags.TAG_THEAD );
	}
	*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.emitter.IContentEmitter#endTableHeader(org.eclipse.birt.report.engine.content.ITableBandContent)
	 *
	public void endTableHeader( ITableBandContent band )
	{
		 isHidden( ) )
		{
			return;
		}
		writer.closeTag( HTMLTags.TAG_THEAD );
	}
	*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.emitter.IContentEmitter#startTableBody(org.eclipse.birt.report.engine.content.ITableBandContent)
	 *
	public void startTableBody( ITableBandContent band )
	{
		 isHidden( ) )
		{
			return;
		}
		writer.openTag( HTMLTags.TAG_TBODY );
	}
	*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.emitter.IContentEmitter#endTableBody(org.eclipse.birt.report.engine.content.ITableBandContent)
	 *
	public void endTableBody( ITableBandContent band )
	{
		 isHidden( ) )
		{
			return;
		}
		writer.closeTag( HTMLTags.TAG_TBODY );
	}
	*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.emitter.IContentEmitter#startTableFooter(org.eclipse.birt.report.engine.content.ITableBandContent)
	 *
	public voi