bewest

var Controls = Class.create();Controls.prototype = {  options : {    url : 'actions/controls.php',    api_url: 'actions/admin.php'  },  _controls : {    'login' : 0, 'user' : 0,    'collections' : 0, 'marker' : 0,    'logout' : 0  },  initialize : function (opts) {    if(opts)      Object.extend(this.options, opts);  },  fetch_control : function(name) {    if(this._controls[name] == 0) {      var params = "name=" + name;      var opts = {method: 'get', parameters: params, onSuccess: this._register_control.bind(this)};      new Ajax.Request(this.options.url, opts);    }  },  release_control : function(name) {    if(this._controls[name].unload)      this._controls[name].unload(this);    this._controls[name] = 0;  },  _register_control : function(request) {    var response;    var control = Class.create();    eval('response = ' + request.responseText + ';');    if(response) {      if(response.meta.html) {        response.insertion();      }      control.prototype = response.control;      this._controls[response.meta.control_name] = new control({uri: this.options.api_url});    }  },  init_control_list : function(controls) {    Object.extend(this._controls, controls);  }};