rem: var messageUri = messageNode.getAttribute("id"); 
add: messageUri = messageNode.getAttribute("id"); 
context: function ThreadPaneDoubleClick(treeitem,isClick){	if(IsSpecialFolderSelected("Drafts"))	{		var loadedFolder = GetLoadedMsgFolder();		var messageArray = GetSelectedMessages();		ComposeMessage(msgComposeType.Draft, msgComposeFormat.Default, loadedFolder, messageArray);	}	else if(IsSpecialFolderSelected("Templates"))	{		var loadedFolder = GetLoadedMsgFolder();		var messageArray = GetSelectedMessages();		ComposeMessage(msgComposeType.Template, msgComposeFormat.Default, loadedFolder, messageArray);	}	else if(isClick)	{		var messageUri = treeitem.getAttribute("id");		MsgOpenNewWindowForMessage(messageUri, null);	}	else	{		var threadTree = GetThreadTree();		var selectedMessages = threadTree.selectedItems;		var numMessages = selectedMessages.length;		for(var i = 0; i < numMessages; i++)		{			var messageNode = selectedMessages[i];			var messageUri = messageNode.getAttribute("id");			if(messageUri)			{				MsgOpenNewWindowForMessage(messageUri, null);			}		}	}}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/2d0790d99782e88220b26db0c176b8dd1f09046d/threadPane.js/buggy/mailnews/base/resources/content/threadPane.js