Pass Parameter in function.

Dear,,,

 I passed the productName as a parameter to function, Then in the funtion I used the parameter in Web Service to filter the data, but the filter is not work, Kindly can you help me.

var xmlCO15Req ='<?xml version="1.0" encoding="UTF-8" standalone="no" ?>'+
                        '<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns="urn:crmondemand/ws/ecbs/customobject15/10/2004" xmlns:quer="urn:/crmondemand/xml/CustomObject15/Query">' +
                        '<soapenv:Header>'+
                        '<wsse:Security soapenv:mustUnderstand="1" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd">'+
                        '<wsse:UsernameToken>'+
                        '<wsse:Username>HIKMA_CTE02/INTADMIN</wsse:Username>'+