rem: var item = document.getElementById(menuID); if(item) { return(item.getAttribute('hidden') !='true'); } return false; 
add: var item = document.getElementById(menuID); if(item) { return(item.getAttribute('hidden') !='true'); } return false; 
context: function IsMenuItemShowing(menuID){	var item = document.getElementById(menuID);	if(item)	{		return(item.getAttribute('hidden') !='true');	}	return false;}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/0b2dd2b2d2fd037df917e07645fa019a963332a5/mailContextMenus.js/clean/mailnews/base/resources/content/mailContextMenus.js