Disable mousewheel on dijit.form.NumberSpinner

dojo.ready(function(){
    var spinner = dijit.byId("#{id:mySpinner}");
    var currentValue = spinner.get('value');
    dojo.connect(spinner, "onChange", function(value){
        currentValue = value;
    });
    dojo.connect(spinner.domNode, (!dojo.isMozilla ? "onmousewheel" : "DOMMouseScroll"), function(e){
        spinner.set('value',currentValue);
    });
});