Bug 173582 Run servlet should not be affected by values in document.[0000]
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
* @param request
	 * @throws Exception
	 */
	protected void __init( HttpServletRequest request ) throws Exception
	{
		
		if ( ParameterAccessor.isGetImageOperator( request ) )
		{
			return;
		}
		this.category = "BIRT"; 
		this.masterPageContent = ParameterAccessor
				.isMasterPageContent( request );
		this.isDesigner = ParameterAccessor.isDesigner( request );
		this.bookmark = ParameterAccessor.getBookmark( request );
		this.reportPage = ParameterAccessor.getPage( request );
		this.reportPageRange = ParameterAccessor.getPageRange( request );
		this.reportDocumentName = ParameterAccessor.getReportDocument( request,
				null, true );
		this.reportDesignName = ParameterAccessor.getReport( request, null );
		this.format = ParameterAccessor.getFormat( request );
		this.maxRows = ParameterAccessor.getMaxRows( request );
		
		BirtResources.setLocale( ParameterAccessor.getLocale( request ) );
		
		ReportEngineService.getInstance( ).setMaxRows( this.maxRows );
		
		this.requestType = request
				.getHeader( ParameterAccessor.HEADER_REQUEST_TYPE );