Bug 131245 [Smoke][Regression]Run Report window in Web View cannot display existed parameteres.
Description: Run Report window in Web View cannot display existed parameteres. Steps to reproduce: 1. New a parameter. 2. Preview in Web Viewer 3. Click Run Report button. Result: No parameter showed.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
this.category = "ERNI"; 
		}
		
		if ( ParameterAccessor.isGetImageOperator( request ) )
		{
			return;
		}
		this.masterPageContent = ParameterAccessor.isMasterPageContent( request );
		
		this.isDesigner = ParameterAccessor.isDesigner( request );
		
		
		this.reportDocumentName = ParameterAccessor.getReportDocument( request );
		File reportDocFile = new File( this.reportDocumentName );
		
		String reportDesignName = ParameterAccessor.getReport( request );
		File reportDesignDocFile = new File( reportDesignName );
		
		if ( reportDesignDocFile != null && reportDesignDocFile.exists( ) && reportDesignDocFile.isFile( )
				&& reportDocFile != null && reportDocFile.exists( ) && reportDocFile.isFile( )
				&& "get".equalsIgnoreCase( request.getMethod( ) ) ) 
		{
			if ( reportDesignDocFile.lastModified( ) > reportDocFile.lastModified( )
					|| ParameterAccessor.isOverwrite( request ) )
			{
				reportDocFile.delete( );
			}
		}
		
		if ( reportDocFile.exists( ) && reportDocFile.isFile( ) )