add: this.entities = new Object(); 
context: function PrefGlobal(){    this.networks = new Object();    this.commandManager = new Object();    this.commandManager.defineCommand = function() {};}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/830ac31597102b7c70ecd88cbc498f9654f0be51/config.js/buggy/extensions/irc/xul/content/config.js