rem:  node = document.getElementById("fileAttachmentMenu"); 
add:  node = document.getElementById("msgAttachmentMenu"); 
context: function HideMessageHeaderPane(){  var node = document.getElementById("collapsedHeaderView");  if (node)    node.collapsed = true;  node = document.getElementById("expandedHeaderView");  if (node)    node.collapsed = true;  // we also have to disable the File/Attachments menuitem  node = document.getElementById("fileAttachmentMenu");  if (node)    node.setAttribute("disabled", "true");}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9421/187289aa1e069c07d4aa31dbbd0b22236b699322/msgHdrViewOverlay.js/clean/mailnews/base/resources/content/msgHdrViewOverlay.js