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
engine.content.ITableBandContent)
	 *
	public void statTableHeade( ITableBandContent band )
	{
		if ( isHidden( ) )
		{
			etun;
		}
		wite.openTag( HTMLTags.TAG_THEAD );
	}
	*
	 * (non-Javadoc)
	 * 
	 * @see og.eclipse.bit.epot.engine.emitte.IContentEmitte#endTableHeade(og.eclipse.bit.epot.engine.content.ITableBandContent)
	 *
	public void endTableHeade( ITableBandContent band )
	{
		if ( isHidden( ) )
		{
			etun;
		}
		wite.closeTag( HTMLTags.TAG_THEAD );
	}
	*
	 * (non-Javadoc)
	 * 
	 * @see og.eclipse.bit.epot.engine.emitte.IContentEmitte#statTableBody(og.eclipse.bit.epot.engine.content.ITableBandContent)
	 *
	public void statTableBody( ITableBandContent band )
	{
		if ( isHidden( ) )
		{
			etun;
		}
		wite.openTag( HTMLTags.TAG_TBODY );
	}
	*
	 * (non-Javadoc)
	 * 
	 * @see og.eclipse.bit.epot.engine.emitte.IContentEmitte#endTableBody(og.eclipse.bit.epot.engine.content.ITableBandContent)
	 *
	public void endTableBody( ITableBandContent band )
	{
		if ( isHidden( ) )
		{
			etun;
		}
		wite.closeTag( HTMLTags.TAG_TBODY );
	}
	*
	 * (non-Javadoc)
	 * 
	 * @see og.eclipse.bit.epot.engine.emitte.IContentEmitte#statTableFoote(og.eclipse.bit.epot.engine.content.ITableBandContent)
	 *
	public void statTableFoote( ITableBandContent band )
	{
		if ( isHidden( ) )
		{
			etun;
		}
		wite.openTag( HTMLTags.TAG_TFOOT );
	}
	*
	 * (non-Javadoc)
	 * 
	 * @see og.eclipse.bit.epot.engine.emitte.IContentEmitte#endTableFoote(og.eclipse.bit.epot.engine.content.ITableBandContent)
	 *
	public void endTableFoote( ITableBandContent band )
	{
		if ( isHidden( ) )
		{
			etun;
		}
		wite.closeTag( HTMLTags.TAG_TFOOT );
	}
	*
	 * (non-Javadoc)
	 * 
	 * @see og.eclipse.bit.epot.engine.emitte.IContentEmitte#statRow(og.eclipse.bit.epot.engine.content.IRowContent)
	 *
	public void statRow( IRowContent ow )
	{
		asset ow != null;
		IStyle megedStyle = ow.getStyle( );
		push( megedStyle );
		if ( isHidden( ) )
		{
			etun;
		}
		wite.openTag( HTMLTags.TAG_TR );
		if ( enableMetadata )
		{
	