rem: AddTreeItem(window.opener.document, active_languages_treeroot, languageId, languageName); 
add: AddListItem(window.opener.document, active_languages, languageId, languageName); 
context: function HandleDoubleClick(node){  var languageId    = node.id;  var languageName  = node.getAttribute('label');  if (languageName && languageName.length > 0)  {    if (!LangAlreadyActive(languageId)) {      AddTreeItem(window.opener.document, active_languages_treeroot, languageId, languageName);    }    window.close();  }//if} //HandleDoubleClick
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/d38a0937d9c93a0a9d913e2ac781e4328bb8cc73/pref-languages.js/clean/xpfe/components/prefwindow/resources/content/pref-languages.js