rem: node = document.getElementById("fileAttachmentMenu"); 
add: var node = document.getElementById("fileAttachmentMenu"); 
context: function ClearAttachmentList() {   // we also have to disable the File/Attachments menuitem  node = document.getElementById("fileAttachmentMenu");  if (node)    node.setAttribute("disabled", "true");  // clear selection  var list = document.getElementById('attachmentList');  while (list.hasChildNodes())     list.removeChild(list.lastChild);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9421/a1235680e0c3cba34ebc8a66aac51a35462226e4/msgHdrViewOverlay.js/buggy/mail/base/content/msgHdrViewOverlay.js