Form.extend({
  getElementValue: function(form, name) {
    var elements = Form.getElements($(form));
    for (var i = 0; i < elements.length; i++) {
      var method = elements[i].tagName.toLowerCase();
      var parameter = Form.Element.Serializers[method](elements[i]);
      if (parameter)
	if (parameter[0] == name)
           return isNaN(parameter[1]) ? parameter[1] : 1*parameter[1];
    }
    return 0;
  }
});

var $FEV = Form.getElementValue;