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: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/1e2d5d9ba4147d5ea3cc58789a6ba7f2426d0695/pref-languages.js/buggy/suite/common/pref/pref-languages.js