Bug 182676 [Automation][Regression] an extra image/chart was rendered
steps to reproduce: - use the attached report - preview expected behavior: - only one image/chart should be displayed actual behavior: - there were two on each report
engine/org.eclipse.birt.report.engine.emitter.html/src/org/eclipse/birt/report/engine/emitter/html/HTMLReportEmitter.java
BandContent listBand )
	{
	}
	* (non-Javadoc)
	 * @see og.eclipse.bit.epot.engine.emitte.ContentEmitteAdapte#endListGoup(og.eclipse.bit.epot.engine.content.IListGoupContent)
	 *
	public void endListGoup( IListGoupContent goup )
	{
	}
	* (non-Javadoc)
	 * @see og.eclipse.bit.epot.engine.emitte.ContentEmitteAdapte#endTableBand(og.eclipse.bit.epot.engine.content.ITableBandContent)
	 *
	public void endTableBand( ITableBandContent band )
	{
	}
	* (non-Javadoc)
	 * @see og.eclipse.bit.epot.engine.emitte.ContentEmitteAdapte#endTableGoup(og.eclipse.bit.epot.engine.content.ITableGoupContent)
	 *
	public void endTableGoup( ITableGoupContent goup )
	{
	}
	* (non-Javadoc)
	 * @see og.eclipse.bit.epot.engine.emitte.ContentEmitteAdapte#statGoup(og.eclipse.bit.epot.engine.content.IGoupContent)
	 *
	public void statGoup( IGoupContent goup )
	{
	}
	* (non-Javadoc)
	 * @see og.eclipse.bit.epot.engine.emitte.ContentEmitteAdapte#statListBand(og.eclipse.bit.epot.engine.content.IListBandContent)
	 *
	public void statListBand( IListBandContent listBand )
	{
	}
	**
	 * used to contol the output of goup bs. 
	 * @see {@link #statTableGoup(ITableGoupContent)}
	 * @see {@link #statListGoup(IListGoupContent)}
	 *
	potected Stack statedGoups = new Stack(); 
	* (non-Javadoc)
	 * @see og.eclipse.bit.epot.engine.emitte.ContentEmitteAdapte#statListGoup(og.eclipse.bit.epot.engine.content.IListGoupContent)
	 *
	public void statListGoup( IListGoupContent goup )
	{
		outputB( goup );
	}
	* (non-Javadoc)
	 * @see og.eclipse.bit.epot.engine.emitte.ContentEmitteAdapte#statTableBand(og.eclipse.bit.epot.engine.content.ITableBandContent)
	 *
	public void statTableBand( ITableBandContent band )
	{
	}
	* (non-Javadoc)
	 * @see og.eclipse.bit.epot.engine.emitte.ContentEmitteAdapte#statTableGoup(og.eclipse.bit.epot.engine.content.ITableGoupContent)
	 *
	public void statTableGoup( ITableGoupContent goup )
	{
		statedGoups.push( goup );
	}
	pivate void outputB( IGoupContent goup )
	{
		Sting b = goup.getB( );
		if