rem: EchoCore.ListenerList.prototype.addListener = function(eventType, eventTarget) { this._data.push(eventType, eventTarget); }; 
add: addListener: function(eventType, eventTarget) { this._data.push(eventType, eventTarget); }, 
context: EchoCore.ListenerList.prototype.addListener = function(eventType, eventTarget) {    this._data.push(eventType, eventTarget);};
meta: 600	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/600/4705113f80e2c9e4d43ad240349e3193f4caf648/Core.js/buggy/src/webcontainer/java/nextapp/echo/webcontainer/resource/js/Core.js