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/HTMLEmitter.java
{
		this.parentEmitter = parentEmitter;
		this.writer = writer;
		this.isEmbeddable = isEmbeddable;
	}
	public abstract void buildStyle( IContent element, StringBuffer styleBuffer );
	public abstract void buildTableStyle( ITableContent table,
			StringBuffer styleBuffer, String layoutPreference );
	public abstract void buildColumnStyle( IColumn column,
			StringBuffer styleBuffer );
	public abstract void buildRowStyle( IRowContent row,
			StringBuffer styleBuffer );
	public abstract void buildCellStyle( ICellContent cell,
			StringBuffer styleBuffer, boolean isInTableHead );
	public abstract void handleCellAlign( ICellContent cell );
	public abstract void openContainerTag( IContainerContent container );
	public abstract void closeContainerTag( );
	public abstract void buildContainerStyle( IContainerContent container,
			StringBuffer styleBuffer );
	public abstract void buildTextStyle( ITextContent text,
			StringBuffer styleBuffer, int display, String url );
	public abstract void buildForeignStyle( IForeignContent foreign,
			StringBuffer styleBuffer, int display, String url );
	public abstract void buildImageStyle( IImageContent image,
			StringBuffer styleBuffer );
	public abstract void handleVerticalAlign( IStyle style );
	public abstract void handleHorizontalAlign( IStyle style );
	public abstract void handleVerticalAlignBegine( IContent element );
	public abstract void handleVerticalAlignEnd( IContent element );
	/**