rem: messenger.MarkMessageRead(tree.database, treeItem, unread); 
add: messenger.MarkMessageRead(tree.database, treeItem.resource, unread); 
context: function ToggleMessageRead(treeItem){	var tree = GetThreadTree();	var status = treeItem.getAttribute('Status');	var unread = (status == " ") || (status == "new");	messenger.MarkMessageRead(tree.database, treeItem, unread);}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/1038bd68e3102cdd1cf7c3948945302647de6281/commandglue.js/clean/mailnews/base/resources/content/commandglue.js