function doMenu(item) { 
	subcategory=document.getElementById(item); 
	expand=document.getElementById("e_" + item); 
	cat_link=document.getElementById("l_" + item); 
	if (subcategory.style.display=="none") 
	{ 
		subcategory.style.display="block"; 
		expand.className = "expanded"; 
		cat_link.className = "link_expanded"
	} 
	else 
	{ 
		subcategory.style.display="none"; 
		expand.className = "expand"; 
		cat_link.className = "link"
	} 
}