add:  node = document.getElementById("fileAttachmentMenu"); if (node) node.hidden = now_hidden;  
context: function ChangeMessagePaneVisibility(now_hidden){  if (gDBView) {    // the collapsed state is the state after we released the mouse     // so we take it as it is    gDBView.suppressMsgDisplay = now_hidden;  }  var event = document.createEvent('Events');  if (now_hidden) {    event.initEvent('messagepane-hide', false, true);  }  else {    event.initEvent('messagepane-unhide', false, true);  }  document.getElementById("messengerWindow").dispatchEvent(event);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/3a92c3a805c8ab27b7130b0d83830480cf1f8883/commandglue.js/buggy/mail/base/content/commandglue.js