rem: var children = aEvent.target.childNodes; 
add: var children = aParent.childNodes; 
context: function deleteHistoryItems( aEvent )  {    var children = aEvent.target.childNodes;    for (var i = 0; i < children.length; i++ )      {        var index = children[i].getAttribute( "index" );        if (index)          aEvent.target.removeChild( children[i] );      }  }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/b0117cda91246403752cc67aed33bdd7cbcc529c/sessionHistoryUI.js/buggy/xpfe/browser/resources/content/sessionHistoryUI.js