Bug 146709 Dates still do not work from main report to sub reports...
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
* @param request
	 *            HttpServletRequest
	 * @return
	 */
	protected void parseConfigVars( HttpServletRequest request,
			Collection parameterList )
	{
		this.configMap = new HashMap( );
		
		String reportConfigName = ParameterAccessor
				.getConfigFileName( this.reportDesignName );
		if ( reportConfigName == null )
			return;
		
		SessionHandle sessionHandle = DesignEngine.newSession( ULocale.US );
		ReportDesignHandle handle = null;
		try
		{
			
			handle = sessionHandle.openDesign( reportConfigName );
			
			if ( handle != null )
			{
				Iterator parameters = parameterList.iterator( );
				while ( parameters != null && parameters.hasNext( ) )
				{
					Object parameterHandle = parameters.next( );
					if ( parameterHandle instanceof ScalarParameterHandle )
					{
						ScalarParameterHandle scalarParameterHandle = (ScalarParameterHandle) parameterHandle;