rem: var pageElements = top.frames["contentFrame"].document.getElementsByAttribute("wsm_persist", "true"); return pageElements; 
add: if("getElementsByAttribute" in top.frames["contentFrame"].document) { var pageElements = top.frames["contentFrame"].document.getElementsByAttribute("wsm_persist", "true"); return pageElements; } 
context: function getPageFormElements() { try {  var pageElements =      top.frames["contentFrame"].document.getElementsByAttribute("wsm_persist", "true");  return pageElements; } catch (ex) {  dump("getPageFormElements() failed: " + ex + "\n"); } return null;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/0cd2634928600ba1fd1aa18c4889432a3fb7b444/AccountManager.js/buggy/mailnews/base/prefs/resources/content/AccountManager.js