var body = "<soap:Envelope xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xsd='http://www.w3.org/2001/XMLSchema' xmlns:soap='http://schemas.xmlsoap.org/soap/envelope/'>"
    + "<soap:Body><GetGroupCollectionFromUser xmlns='http://schemas.microsoft.com/sharepoint/soap/directory/'>"
    + "<userLoginName>"+username+"</userLoginName>"
    + "</GetGroupCollectionFromUser></soap:Body></soap:Envelope>"