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
table.setCaption( captionText );
		
		return table;
	}
	public Object visitRow( IRowContent row, Object value )
	{
		handleOnRender( row );
		return row;
	}
	public Object visitCell( ICellContent cell, Object value )
	{
		handleOnRender( cell );
		return cell;
	}
	/**
	 * handle the data content.
	 * 
	 * @param data
	 *            data content object
	 */
	public Object visitData( IDataContent data, Object value )
	{
		handleOnRender( data );
		processData( data );
		return data;
	}
	/**
	 * process the data content
	 * 
	 * <li> localize the help text