$('#content').focused({
  // attr: {string} attribute to use as selector
  attr: 'data-focus',

  // changeElement: {jQuery object or selector} to bind the change event handler to
  changeElement: 'select[name=focus]',

  // bindChange: {boolean} whether we should update on change event (if false, only updates on initialization)
  bindChange: true,

  // value: (optional) {function} to modify the value before using it
  value: null,

  // afterUpdate: (optional) {function} to run after the value has changed
  afterUpdate: function focusTransition() {
    $('.focus-wrapper:visible').hide().fadeIn(400)
  }
});