How to find a Note is attached to Account or not using javascript

var test= crmForm.all.new_test;
var notecount=0;
    if (crmForm.ObjectId != null) {
        var ObjectId= crmForm.ObjectId;
        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>annotationid</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>";

        // Prepare the xmlHttpObject and send the request.
        var xHReq = new ActiveXObject("Msxml2.XMLHTTP");
        xHReq.Open("POST", "/mscrmservices/2007/CrmService.asmx", false);
        xHReq.setRequestHeader("SOAPAction", "http://schemas.microsoft.com/crm/2007/WebServices/RetrieveMultiple");
        xHReq.setRequestHeader("Content-Type", "text/xml; charset=utf-8");
        xHReq.setRequestHeader("Content-Length", xml.length);
        xHReq.send(xml);

        var resultXml = xHReq.responseXML;
   
        var errorCount = resultXml.selectNodes('//error').length;
        if (errorCount != 0) {
            var msg = resultXml.selectSingleNode('//description').nodeTypedValue;
            //alert(msg);
        }
     
        else {
            var results = resultXml.getElementsByTagName('BusinessEntity');
            if (results.length > 0) {
            notecount=results.length;
  }
        }
    }

if(test=='abc')
{
if(notecount>0)
{
return;
}
else
{
alert("Please attach a Note");
event.returnValue = false;
}
}