rem: if (prefname == listitem.label) 
add: if (prefname == listitem.getAttribute("label")) 
context: function prefIsLocked(prefname){  listbox = document.getElementById("prefList");  for (var i=0; i < listbox.getRowCount(); i++) {    listitem = listbox.getItemAtIndex(i);    if (prefname == listitem.label)      if (listitem.cck['lock'] == "true")        return true;  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/cb3ed131924c11734475d0a28e5563f422df9be3/cckwizard.js/buggy/extensions/cck/browser/resources/content/cckwizard/cckwizard.js