add: if (!accountValues) return true;  
context: function savePage(serverId) {  if (!serverId) return;  // tell the page that it's about to save  if ("onSave" in top.frames["contentFrame"])      top.frames["contentFrame"].onSave();  var accountValues = getValueArrayFor(serverId);  var pageElements = getPageFormElements();  if (pageElements == null) return;  // store the value in the account  for (var i=0; i<pageElements.length; i++) {      if (pageElements[i].id) {        var vals = pageElements[i].id.split(".");        if (vals.length >= 2) {            var type = vals[0];            var slot = vals[1];                setAccountValue(accountValues,                            type, slot,                            getFormElementValue(pageElements[i]));         }      }  }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/aadabe0510eb8ec72763831a007d5aee7b9e3c64/AccountManager.js/buggy/mailnews/base/prefs/resources/content/AccountManager.js