function GetCurrentUserRoles()  
{  
 var xml = "" +  
 "<?xml version=\"1.0\" encoding=\"utf-8\"?>" +  
 "<soap:Envelope xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">" +  
 GenerateAuthenticationHeader() +  
 " <soap:Body>" +  
 " <RetrieveMultiple xmlns=\"http://schemas.microsoft.com/crm/2007/WebServices\">" +  
 " <query xmlns:q1=\"http://schemas.microsoft.com/crm/2006/Query\" xsi:type=\"q1:QueryExpression\">" +  
 " <q1:EntityName>role</q1:EntityName>" +  
 " <q1:ColumnSet xsi:type=\"q1:ColumnSet\">" +  
 " <q1:Attributes>" +  
 " <q1:Attribute>name</q1:Attribute>" +  
 " </q1:Attributes>" +  
 " </q1:ColumnSet>" +  
 " <q1:Distinct>false</q1:Distinct>" +  
 " <q1:LinkEntities>" +  
 " <q1:LinkEntity>" +  
 " <q1:LinkFromAttributeName>roleid</q1:LinkFromAttributeName>" +  
 " <q1:LinkFromEntityName>role</q1:LinkFromEntityName>" +  
 " <q1:LinkToEntityName>systemuserroles</q1:LinkToEntityName>" +  
 " <q1:LinkToAttributeName>roleid</q1:LinkToAttributeName>" +  
 " <q1:JoinOperator>Inner</q1:JoinOperator>" +  
 " <q1:LinkEntities>" +  
 " <q1:LinkEntity>" +  
 " <q1:LinkFromAttributeName>systemuserid</q1:LinkFromAttributeName>" +  
 " <q1:LinkFromEntityName>systemuserroles</q1:LinkFromEntityName>" +  
 " <q1:LinkToEntityName>systemuser</q1:LinkToEntityName>" +  
 " <q1:LinkToAttributeName>systemuserid</q1:LinkToAttributeName>" +  
 " <q1:JoinOperator>Inner</q1:JoinOperator>" +  
 " <q1:LinkCriteria>" +  
 " <q1:FilterOperator>And</q1:FilterOperator>" +  
 " <q1:Conditions>" +  
 " <q1:Condition>" +  
 " <q1:AttributeName>systemuserid</q1:AttributeName>" +  
 " <q1:Operator>EqualUserId</q1:Operator>" +  
 " </q1:Condition>" +  
 " </q1:Conditions>" +  
 " </q1:LinkCriteria>" +  
 " </q1:LinkEntity>" +  
 " </q1:LinkEntities>" +  
 " </q1:LinkEntity>" +  
 " </q1:LinkEntities>" +  
 " </query>" +  
 " </RetrieveMultiple>" +  
 " </soap:Body>" +  
 "</soap:Envelope>" +  
 "";  
  
 var xmlHttpRequest = new ActiveXObject("Msxml2.XMLHTTP");  
  
 xmlHttpRequest.Open("POST", "/mscrmservices/2007/CrmService.asmx", false);  
 xmlHttpRequest.setRequestHeader("SOAPAction"," http://schemas.microsoft.com/crm/2007/WebServices/RetrieveMultiple");  
 xmlHttpRequest.setRequestHeader("Content-Type", "text/xml; charset=utf-8");  
 xmlHttpRequest.setRequestHeader("Content-Length", xml.length);  
 xmlHttpRequest.send(xml);  
  
 var resultXml = xmlHttpRequest.responseXML;  
 return(resultXml);  
}