Bug 190981 The image id of image in different pages are the same
The id of image generated by the same report item (such as chart) are the same, thought the image contents are in different pages.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/presentation/LocalizedContentVisitor.java
resolution = 96;
				}
			}
			itemPresentation.setResolution( resolution );
			itemPresentation.setLocale( locale );
			String supportedImageFormats = "PNG;GIF;JPG;BMP;"; 
			IRenderOption renderOption = context.getRenderOption( );
			String formats = renderOption.getSupportedImageFormats( );
			if ( formats != null )
			{
				supportedImageFormats = formats;
			}
			itemPresentation.setSupportedImageFormats( supportedImageFormats ); 
			itemPresentation.setActionHandler( context.getActionHandler( ) );
			
			String outputFormat = getOutputFormat( );
			itemPresentation.setOutputFormat( outputFormat );
			Object rawValue = content.getRawValue( );
			if ( rawValue instanceof byte[] )
			{
				byte[] values = (byte[]) rawValue;
				itemPresentation
						.deserialize( new ByteArrayInputStream( values ) );
			}
			IRowSet[] rowSets = null;
			IBaseResultSet[] rsets = context.getResultSets();	
			if ( queries == null )
			{
				DesignElementHandle elementHandle = design.getHandle( );
				if ( elementHandle instanceof ReportElementHandle )