rem: messenger.saveAttachment(contentType, url, displayName, messageUri); 
add: messenger.saveAttachment(aAttachment.contentType, aAttachment.url, aAttachment.displayName, aAttachment.messageUri); 
context: function saveAttachment(contentType, url, displayName, messageUri){  messenger.saveAttachment(contentType, url, displayName, messageUri);}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/d25d20a1818cd366bfe87f50d19decb450adbad5/msgHdrViewOverlay.js/buggy/mailnews/base/resources/content/msgHdrViewOverlay.js