Bug 183307 JS error with cascading group in birt:paramDef tag.[0603]
Description: JS error with cascading group in birt:paramDef tag. Build number:2.2.0.v200704190630 Steps to reproduce: 1. New a report with cascading group from sample table OFFICES(COUNTRY, OFFICECODE). 2. New a jsp file with content: <birt:parameterPage id="0" name="custom param page" reportDesign="report.rptdesign" isCustom="true" pattern="frameset"> <birt:paramDef id="9" name="country" value="USA"/> <input type="submit" name="OK" value="submit"/> </birt:parameterPage> 3. Preview the jsp file. Expected result: Display Listbox/combobox with value "USA" as default. Actual result: JS error A runtime error is occurred Error log:N/A
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/taglib/ParamDefTag.java
.write( "var progressBar = new ProgressBar( \"progressBar\",\"mask\" );" ); 
				writer.write( "</script>\n" ); 
				pageContext.setAttribute( IMPORT_FILES_ATTR, Boolean.TRUE );
			}
			this.groupObjName = this.viewer.getId( ) + "_" 
					+ paramDef.getGroup( ).getName( ) + "_group"; 
			if ( pageContext.findAttribute( this.groupObjName ) == null )
			{
				writer
						.write( "<script  language=\"JavaScript\">var " + this.groupObjName + " = new ParameterGroup( );</script>\n" ); 
				pageContext.setAttribute( this.groupObjName, Boolean.TRUE );
			}
			
			Collection selectionList = getParameterSelectionListForCascadingGroup( );
			__handleCommonListBox( selectionList );
			__handleCascadingListBox( );
		}
		else
		{
			
			Collection selectionList = BirtReportServiceFactory
					.getReportService( ).getParameterSelectionList(
							viewer.getReportDesignHandle( ), options,
							param.getName( ) );
			__handleCommonListBox( selectionList );
		}
	}
	/**
	 * Create Progress bar div
	 *