Bug 139125 Preview the Cascading parameter in the web viewer,it will be added "html" after the value automaticly
Description: see the picture attached.Preview the design file in web viewer, and you will find all parameter value is added "html" after. Step to reproduce: 1. Use the design file attached 2. Preview it in web viewer with choosing "CA" -> "B****" Actual result; Like the picture shows, the value of parameter is so odd
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/presentation/aggregation/parameter/ScalarParameterFragment.java
boolean isDesigner = attrBean.isDesigner( );
		try
		{
			prepareParameterBean( reportDesignName, getReportService( ),
					request, parameterBean, parameter, locale, isDesigner );
			
			prepareParameterBean( request, getReportService( ), parameterBean,
					ParameterAccessor.getFormat( request ), locale );
		}
		catch ( ReportServiceException e )
		{
			
			e.printStackTrace( );
		}
	}
	/**
	 * Override implementation of doPostService.
	 */
	protected String doPostService( HttpServletRequest request,
			HttpServletResponse response ) throws ServletException, IOException
	{
		String className = getClass( ).getName( ).substring(
				getClass( ).getName( ).lastIndexOf( '.' ) + 1 );
		return "/webcontent/birt" + "/pages/parameter/" + className + ".jsp"; 
	}
	public static void prepareParameterBean( String reportDesignName,
			IViewerReportService service, HttpServletRequest request,
			ScalarParameterBean parameterBean, ScalarParameterHandle parameter,
			Locale locale, boolean isDesigner ) throws ReportServiceException
	{