How do I make AJAX work in WSRP environment

Question

I had a single weblogic portal server running for our portal application. We have a portlet is using AJAX. The JSP has 2 drop down box. Based on value in first drop down box populate second drop down box values using AJAX.
With redesign we implemented WSRP approach for some portlets. Our question is how do I make AJAX portlet work in WSRP environment. The values for second drop down box should come from producer side. Hence request should pass thru consumer side. Here is the function to invoke AJAX function
function getServicesFromBackend()
     var urlPart = "/dpportal/com/serviceone/sip/ui/service/getService.do?SERVICE_FINDER_SELECTED_OPTION="+selectedCategory+"&PORTLET_INSTANCE_LABEL=servicefinder";
     var protocol = window.location.protocol;
     var host = window.location.host;
     var port = window.location.port;
     var url = protocol + "//" + host + urlPart;
     initRequest(url);
     req.onreadystatechange = processReq;
     req.open("GET", url, true);
     req.send(null);
How do i change this function to invoke producer action properly?

Answer 1

Can you pls help me understand on this.
I opened BEA on this earlier. Here is the response.
There is no WLP81x support for AJAX at this point, Though you might use it in your application if it works for you. Having said that, Ajax over WSRP 1.0 which is the WSRP specs for 8.1x does not support the Ajax requests over WSRP. A more detailed article can be found at http://www.subbu.org/weblogs/main/2006/02/portlets_and_aj.html
Response from DRE
As i mentioned to you earlier, Support can only help troubleshoot an issue for a certified use case. Ajax is not certified on WLP 8.1x lines, although there is nothing we do to prevent you from using Ajax. Also mention to Subbu that you are on WLP 8.x , where the WSRP spec is 1.0. If there is something he can help he will answer through the forum.