Person.js

var Person = new Class({

  Implements: Options, 

  options: {
    height: 'tall',
    weight: 'fat'
  },

  jQuery: 'person', // must be after options definition

  awesome: true,

  initialize: function(selector, options){
    this.setOptions(options);
    this.jqueryObject = jQuery(selector);
  },

  dance: function(whichDance){
    alert(whichDance);
    return this;

  }

});