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
writer.write( " for=\"" + ctlId + "\">" ); 
			writer.write( label );
			writer.write( "</label>" ); 
			writer.write( "</input>\n" ); 
			index++;
		}
		
		if ( !paramDef.isRequired( ) )
		{
			boolean isNullValue = param.getValue( ) == null;
			
			writer.write( "<input type=\"hidden\" name=\"" 
					+ ParameterAccessor.PARAM_ISNULL
					+ "\" id=\"" + nullValueId + "\"" ); 
			if ( isNullValue )
				writer.write( " value=\"" 
						+ encParamName + "\"" ); 
			writer.write( " >\n" ); 
			writer
					.write( "<input type=\"radio\" id=\"" + radioNullValueId + "\" " ); 
			writer.write( " name=\"" + radioName + "\"" ); 
			writer.write( " onclick=\"" + onClick + "\"" ); 
			if ( isNullValue )
				writer.write( " checked " ); 
			writer.write( " >\n" ); 
			writer
					.write( "<label id=\"" + ( radioNullValueId + "_label" ) + "\"" ); 
			writer.write( " title=\"" + ITagConstants.NULL_VALUE + "\"" ); 
			writer.write( " for=\"" + radioNullValueId + "\">" ); 
			writer.write( ITagConstants.NULL_VALUE );