Delete record using JQuery and OData in Dynamics CRM 2011

function DeleteRecord(id, oDataSetName) {
    var serverUrl = Xrm.Page.context.getServerUrl();
    var ODATA_ENDPOINT = "/XRMServices/2011/OrganizationData.svc";
    $.ajax({
        type: "POST",
        contentType: "application/json; charset=utf-8",
        datatype: "json",
        url: serverUrl + ODATA_ENDPOINT + "/" + odataSetName + "(guid'" + id + "')",
        beforeSend: function (XMLHttpRequest) {
            //results will be returned as JSON. 
            XMLHttpRequest.setRequestHeader("Accept", "application/json");
            //HTTP method DELETE  
            XMLHttpRequest.setRequestHeader("X-HTTP-Method", "DELETE");
        },

        success: function (data, textStatus, XmlHttpRequest) {
            alert("Record deleted successfully!!!!");
        },

        error: function (XmlHttpRequest, textStatus, errorThrown) {
            alert("Error while deletion – " + errorThrown);
        }
    });
}