add: DOMNode.setUserData("accessibleEvent", event, null); 
context: function getDOMNode(aRow){  var DOMNode = this.mEvents[aRow].node;  var accessNode = this.mEvents[aRow].accessnode;  DOMNode.setUserData("accessible", accessNode, null);  return DOMNode;}
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/8dc81e1826ff7771892e71a34bec0b5ac141106e/accessibleEvents.js/buggy/extensions/inspector/resources/content/viewers/accessibleEvents/accessibleEvents.js