rem: function SetupDeleteMenuItem(menuID, numSelected, forceHide) 
add: function SetupDeleteMenuItem(menuID, numSelected, isNewsgroup, forceHide) 
context: function SetupDeleteMenuItem(menuID, numSelected, forceHide){	ShowMenuItem(menuID, !forceHide);	EnableMenuItem(menuID, (numSelected > 0));}
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/18196c4b732af6b94e9651fc3dc40ab0eabfa685/mailContextMenus.js/buggy/mailnews/base/resources/content/mailContextMenus.js