add: currentDocument = null; 
context: function SelfRemovingLoadListener(fn) {    this.fn=fn;    var self = this;    this.invoke=function () {        try {            fn();        } finally {            removeLoadListener(getIframe(), self.invoke);        }    }}
meta: 3175	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3175/40101f37ab8b5f25202111634151140a0768541b/selenium-browserbot.js/buggy/javascript/selenium-browserbot.js