Tellen van het aantal notities in een aanvraag

//COUNT NUMBER OF NOTES
var totalNotes = getTotalNotes(crmForm.ObjectId);
setNoteTabName(totalNotes);

function setNoteTabName(count) {
    /* update note tab */
    if (crmForm.FormType != 1) {
        var cells = document.getElementsByTagName("A");

        for (var i = 0; i < cells.length; i++) {
            if (cells[i].innerText == "Opmerkingen") {
                if (count > 0) {
                        cells[i].innerText = "Opmerkingen (" + count + ")";
                        document.all.crmTabBar.style.width = "auto";
                }
                break;
            }
        }
    }
}

// Helper method to return the total notes associated with an object
function getTotalNotes(objectId) {
        // Define SOAP message
        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>annotation</q1:EntityName>",
        "<q1:ColumnSet xsi:type=\"q1:ColumnSet\"><q1:Attributes><q1:Attribute>createdon</q1:Attribute></q1:Attributes></q1:ColumnSet>",
        "<q1:Distinct>false</q1:Distinct><q1:Criteria><q1:FilterOperator>And</q1:FilterOperator>",
        "<q1:Conditions><q1:Condition><q1:AttributeName>objectid</q1:AttributeName><q1:Operator>Equal</q1:Operator>",
        "<q1:Values><q1:Value xsi:type=\"xsd:string\">",
        objectId,
        "</q1:Value></q1:Values></q1:Condition></q1:Conditions></q1:Criteria>",
        "</query>",
        "</RetrieveMultiple>",
        "</soap:Body>",
        "</soap:Envelope>"
        ].join("");
        var resultXml = executeSoapRequest("RetrieveMultiple", xml);
        return getMultipleNodeCount(resultXml, "q1:createdon");
}

// Helper method to execute a SOAP request
function executeSoapRequest(action, xml) {
    var actionUrl = "http://schemas.microsoft.com/crm/2007/WebServices/";
    actionUrl += action;

    var xmlHttpRequest = new ActiveXObject("Msxml2.XMLHTTP");
    xmlHttpRequest.Open("POST", "/mscrmservices/2007/CrmService.asmx", false);
    xmlHttpRequest.setRequestHeader("SOAPAction", actionUrl);
    xmlHttpRequest.setRequestHeader("Content-Type", "text/xml; charset=utf-8");
    xmlHttpRequest.setRequestHeader("Content-Length", xml.length);
    xmlHttpRequest.send(xml);

    var resultXml = xmlHttpRequest.responseXML;
    return resultXml;
}

// Helper method to return total # of nodes from XML
function getMultipleNodeCount(tree, el) {
    var e = null;
    e = tree.getElementsByTagName(el);
    return e.length;
}