rem: if (numAttachments > 0) { attachmentNode.removeAttribute('hide'); } else { attachmentNode.setAttribute('hide', true); } 
add: attachmentNode.collapsed = numAttachments <= 0; 
context: function displayAttachmentsForCollapsedView(){  var numAttachments = currentAttachments.length;  var attachmentNode = document.getElementById('collapsedAttachmentBox');  if (numAttachments > 0)  // make sure the attachment button is visible  {    attachmentNode.removeAttribute('hide');  }  else  {    attachmentNode.setAttribute('hide', true);  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/1dc8b67ef1c6d089ea6e41113322d280cba4bbbc/msgHdrViewOverlay.js/buggy/mailnews/base/resources/content/msgHdrViewOverlay.js