// JavaScript Document
function menu_toggle(category_id, item_id)
{
	var menu = "menu_" + category_id;
	if(typeof(item_id) != "undefined")
	{
		menu = menu + "_" + item_id;
		if(document.getElementById(menu).style.display == "none")
		{
			document.getElementById(menu).style.display = "";
			document.getElementById("menu_toggler_" + category_id + "_" + item_id).src = "./img/menu_item_minus.png";
		}
		else
		{
			document.getElementById(menu).style.display = "none";
			document.getElementById("menu_toggler_" + category_id + "_" + item_id).src = "./img/menu_item_plus.png";
		}
	}
	else
	{
		if(document.getElementById(menu).style.display == "none")
		{
			document.getElementById(menu).style.display = "";
			document.getElementById("menu_toggler_" + category_id).src = "./img/menu_cat_minus.png";
		}
		else
		{
			document.getElementById(menu).style.display = "none";
			document.getElementById("menu_toggler_" + category_id).src = "./img/menu_cat_plus.png";
		}
	}
	
	return true;
}