// JavaScript Document
    function displaySubMenu(li) {
		li.className += " "+"select";
        var subMenu = li.getElementsByTagName("ul")[0];
        subMenu.style.display = "block";
    }
    function hideSubMenu(li) {
		li.className = li.className.replace(/ select/,'');
        var subMenu = li.getElementsByTagName("ul")[0];
        subMenu.style.display = "none";
    }