add:  if (!this.mSaveHdr) { var messageUrl = url.QueryInterface(Components.interfaces.nsIMsgMessageUrl); try { this.mSaveHdr = messenger.msgHdrFromURI(messageUrl.uri); } catch (ex) {}  } if (!currentAttachments.length && this.mSaveHdr) this.mSaveHdr.markHasAttachments(false); 
context:     onEndMsgDownload: function(url)    {      OnMsgParsed(url);    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/fe07aedeea0c9be3af990dba4844697f2a13c40e/msgHdrViewOverlay.js/clean/mailnews/base/resources/content/msgHdrViewOverlay.js