Bug 182873 JS error when use birt:paramDef with special parameter name.[0603]
Description: Javascript error when use birt:paramDef tag with special parameter name. Build number:2.2.0.v200704180630 Steps to reproduce: Prerequisite: New a report with a report parameter with name ~`!@#$%^&*()-=_+\][{}|';:"/,<>? 1. New a jsp file from BIRT tag template in BIRT Web Project. 2. Input below content in body: <birt:parameterPage id="0" name="customparameterpage" reportDesign="report/customJspTagParamDefName.rptdesign" isCustom="true"> <birt:paramDef id="1" name="~`!@#$%^&*()-=_+\][{}|';:/,?"/> <input type="submit" name="OK" value="submit"/> </birt:parameterPage> 3. Run the jsp file. Expected result: Value can be passed to report. Actual result: Javascript error. A runtime error has accurred... Error log:N/A
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/taglib/ParamDefTag.java
param.setValue( valueObj );
		}
		if ( param.getValue( ) == null )
		{
			Object defaultValue = BirtReportServiceFactory.getReportService( )
					.getParameterDefaultValue( viewer.getReportDesignHandle( ),
							param.getName( ), options );
			param.setValue( defaultValue );
		}
		
		this.valueString = DataUtil.getDisplayValue( param.getValue( ) );
		if ( this.valueString == null )
			this.valueString = ""; 
		
		this.displayTextString = param.getDisplayText( );
		if ( this.displayTextString == null )
			this.displayTextString = ParameterValidationUtil.getDisplayValue(
					dataType, this.pattern, param.getValue( ), locale );
		if ( this.displayTextString == null )
			this.displayTextString = ""; 
		
		if ( param.getTitle( ) == null )
			param.setTitle( this.displayTextString );
		
		requesterTag.addParameter( param.getName( ), param.getValue( ) );
		if ( paramDef.isHidden( ) )
		{
			
			__handleHidden( );
		}