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
else
		{
			
			switch ( paramDef.getControlType( ) )
			{
				case IScalarParameterDefn.TEXT_BOX :
					__handleTextBox( );
					break;
				case IScalarParameterDefn.LIST_BOX :
					__handleListBox( );
					break;
				case IScalarParameterDefn.RADIO_BUTTON :
					__handleRadioButton( );
					break;
				case IScalarParameterDefn.CHECK_BOX :
					__handleCheckBox( );
					break;
				default :
					break;
			}
		}
	}
	/**
	 * Handle output hidden type parameter
	 * 
	 * @throws Exception
	 */
	protected void __handleHidden( ) throws Exception
	{
		JspWriter writer = pageContext.getOut( );