Dwr+struts 2

Front-end
#1

Boa tarde pessoal.

utilizando dwr+ struts, já add o jar, configurei dwr.xml, web.xml e nada
Alguem sabe me indicar aonde ta o erro??

web.xml

<servlet>
		<servlet-name>dwr-invoker</servlet-name>
		<servlet-class>uk.ltd.getahead.dwr.DWRServlet</servlet-class>
		<init-param>
			<param-name>debug</param-name>
			<param-value>true</param-value>
		</init-param>
	</servlet>
	   
	<!-- Standard Action Servlet Mapping -->
	<servlet-mapping>
        <servlet-name>dwr-invoker</servlet-name>
        <url-pattern>/dwr/*</url-pattern> 
    </servlet-mapping>

dwr.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE dwr PUBLIC "-//GetAhead Limited//DTD Direct Web Remoting 1.0//EN" "http://www.getahead.ltd.uk/dwr/dwr10.dtd">
<dwr>
	<allow>
	<create creator="spring" javascript="EntradaTributavelAjax">
      		<param name="beanName" value="entradaTributavelAjax"/>
    	</create>
    	
    	<create creator="spring" javascript="ContribuicaoAjax">
      		<param name="beanName" value="contribuicaoAjax"/>
    	</create> 
    	
    	<create creator="spring" javascript="MunicipiosAjax">
      		<param name="beanName" value="municipiosAjax"/>
    	</create>  
    	  
   	</allow>   	
	
</dwr>

pagina

<script type='text/javascript' src='/dwr/interface/MunicipiosAjax.js'></script>
<script type='text/javascript' src='/dwr/engine.js'></script>
<script type='text/javascript' src='/dwr/util.js'> </script>
<script src="js/jquery.tabs.pack.js"    type="text/javascript"></script>
<script src="js/jquery.maskedinput.js"  type="text/javascript"></script>
<script src="js/jquery.price_format.js" type="text/javascript"></script>

...

<label for="uf">UF</label>
        	<s:select name="teEstadoibge"  id="nrEstado" list="#request.comboEstado" listKey="teEstadoIbge" 
			  listValue="teDescricao" listKey="teEstadoIbge"
			  headerKey="teEstadoIbge" headerValue="--Selecione--"  onchange="selectCidades(this.value)"/>  
...
<label for="municipio">Município</label>   			
   			 <select name="cidade" id="cidade" disabled="disabled"></select>
...

function selectCidades(idValue){
    MunicipiosAjax.listaCidades(callback,idValue);       
}
    
function callback(lista){
	DWRUtil.removeAllOptions("cidade");
	DWRUtil.addOptions("cidade", lista,"idCidade", "cidades");
}

ERRO

MunicipiosAjax is not defined
#2

ALGUEM???

#3