Animal.js

var Animal = new Class({
	
	bounds: {},

	initialize: function(element){
		if (element) this.attach(element);
	},

	attach: function(element){
		if (this.element) this.detach();
		
		this.bounds.onClick = this.onClick.bind(this);
		
		this.element = $(element);
		this.element.addEvents(this.bounds);
	},

	detach: function(){
		this.element.removeEvents(this.bounds);
		this.element = null;
	}

});