rem: updatesView.appendChild(element); 
add: this._updatesView.appendChild(element); 
context:   _createAndInsertItem: function(update, state) {    var element = document.createElementNS(XMLNS_XUL, "update");    updatesView.appendChild(element);    element.setUpdate(update);    return element;  },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/d1f1b3f7913cefd1c0fb22b627fe0b0252247fbe/updates.js/buggy/toolkit/mozapps/update/content/updates.js