Web service call using javascript

Hi All,
I am working on web service call using javascript. I used below code while calling web service on click event of button.
var e;
try
     var oListURL = "http://www.webservicex.net/CurrencyConvertor.asmx?WSDL";
     SOAP.wireDump = true;
     var service = SOAP.connect(oListURL);
     xfa.host.messageBox(service.toString());
     if(typeof service != "object")
          xfa.host.messageBox("Couldn't connect to " + oListURL);
     if(!service.ConversionRate(138,56))
          xfa.host.messageBox("The ConversionRate method does not exist on the service at " + oListURL);
     //call the service
     var svcResponse = service.ConversionRate(138,56);
     xfa.host.messageBox(svcResponse.toString());
     if(!svcResponse)
          xfa.host.messageBox("The service returned nothing");
catch(e)
     xfa.host.messageBox("Exception: " + e);
I do not get any response for it. I always get "0" as response.
How do i passed session id to soap header while calling web service in designer??
Is there any other adobe javascript with which i can call web service as well as i may able to provide session id to its soap header.
Request you all to share any information regarding this.
Thanks in advance.
Regards
Abhishek

Hi Abhishek,
This service seems to take the country codes as parameters, not the numerics 138,56, and I have always passed in the parameters as xml.
So I have just tried;
var svcResponse = service.ConversionRate("<FromCurrency>AUD</FromCurrency><ToCurrency>NZD</ToCurrency>");
and got a response
1.2557
Which is about right.
Hope this helps
Bruce

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