template

// This can be moved to a separate file later so that it's instantiated at the right time
$(document).observe("dom:loaded", function() {
  var tagPicker = new TagPicker();
});

function TagPicker(options) {
  // to compensate for JS poor 'this' handling
  var that = this;

  this.bindEvents();
  // that.bindEvents(); // both lines are exactly the same

  return that;
}


// EVENT BINDINGS
TagPicker.prototype.bindEvents = function() {
  var that = this;

  var body = $( $$('body')[0] ); 
  Element.observe(body, 'click', function() {
    that.actionToPerform(); // you need 'that' in order to reference the object in events
  });

};

// Another Method
TagPicker.prototype.actionToPerform = function() { 
  // in case we need the parent object.
  var that = this;
};