function openMenu(menu, submenu)	{      //Opens menu and places marker on link in submenu for particular articles
	var obj = document.getElementById(menu);
	
	if (obj.style.display == 'none')	{
		obj.style.display = "block";
	}
	var arrow = document.getElementById(submenu);
	
	if (arrow.style.display == 'none')	{
		arrow.style.display = "block";
	}
}