Simple State Object

State.js

(function(global,_NAMESPACE_){
var State = _NAMESPACE_.State = function(){
  return {
      _states:{}
     ,_stateData: {}
     ,setState: function(name, data) {
       if(this._states[name] && typeof data == 'undefined'){
         this.setState(this._states[name]);
         return false;
       }
       
       if(typeof name == 'object'){
         for(var key in name){
           this.setState(key,name[key]);
         }
         return false;
       }
       
       this._stateData[name] = data;
       if (typeof this['fireEvent'] === 'function') {
         this.fireEvent([name,'set'].join('.'), data);
       }
     }
     ,getState: function(name, defaultVal) {
       return this._stateData[name] === undefined ? defaultVal : this._stateData[name];
     }
  };
};
})(global,_NAMESPACE_);