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( "    handleParam" + encParamId + "( selectCtl.options[selectCtl.selectedIndex] );\n" ); 
			writer.write( "  else\n" ); 
			writer.write( "  {\n" ); 
			writer
					.write( "    var nullCtl = document.getElementById(\"" + nullValueId + "\");\n" ); 
			writer.write( "    if( nullCtl ) nullCtl.value=\"" + encParamName 
					+ "\";\n" ); 
			writer
					.write( "    var valCtl = document.getElementById(\"" + valueId 
							+ "\");\n" ); 
			writer.write( "    if( valCtl ) valCtl.name = '';\n" ); 
			writer.write( "    if( valCtl ) valCtl.value = '';\n" ); 
			writer.write( "    var displayCtl = document.getElementById(\"" 
					+ displayTextId + "\");\n" ); 			
			writer.write( "    if( displayCtl ) displayCtl.value = '';\n" ); 
			writer.write( "    if( displayCtl ) displayCtl.name = '';\n" ); 
			writer.write( "  }\n" ); 
			writer.write( "}\n" ); 
			writer.write( "else\n" ); 
			writer.write( "{\n" ); 
			writer.write( "  handleTextParam" + encParamId + "( );\n" ); 			
			writer.write( "}\n" ); 
			writer.write( "}\n" ); 
			
			writer.write( "function handleTextParam" + encParamId + "( )\n" ); 
			writer.write( "{\n" ); 
			writer
					.write( "var inputCtl = document.getElementById(\"" + inputTextId 
							+ "\");\n" );