add: this.contentWindow = contentWindow; 
context: function GM_MenuCommander() {  GM_log("> GM_MenuCommander")  this.menu = document.getElementById("userscript-commands");  this.keyset = document.getElementById("mainKeyset");  this.menuPopup = this.menu.firstChild;    this.menuItems = [];  this.keys = [];  this.attached = false;  GM_log("< GM_MenuCommander")}
meta: 4236	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4236/c87ee0d74204cccd978c0b78176f06b85f524f28/menucommander.js/buggy/src/content/menucommander.js