context: function gotoHistoryIndex(aEvent){  var index = aEvent.target.getAttribute("index");  if (!index)    return false;  try {    getWebNavigation().gotoIndex(index);  }  catch(ex) {    return false;  }  return true;  }
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/0b2dd2b2d2fd037df917e07645fa019a963332a5/navigator.js/buggy/xpfe/browser/resources/content/navigator.js