rem: f(xmlhttp.responseXML); 
add: f(xmlhttp.responseXML, url); 
context: Timeline.loadXML = function(url, f) {    var fError = function(statusText, status, xmlhttp) {        alert("Failed to load data xml from " + url + "\n" + statusText);    };    var fDone = function(xmlhttp) {        f(xmlhttp.responseXML);    };    Timeline.XmlHttp.get(url, fError, fDone);};
meta: 4232	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4232/e76ec26cb1f2ac344dbf96b63254fddb981d15d2/timeline.js/buggy/src/main/webapp/api/scripts/timeline.js