// script.js

function setOpen(submenu, bool) {
	if (bool) {
 		submenu.style.display = "block";
 		submenu.parentNode.getElementsByTagName("a")[0].innerHTML = "<span style=\"font-size: 80%\">V</span>";
 	} else {
 		submenu.style.display = "none";
		submenu.parentNode.getElementsByTagName("a")[0].innerHTML = "&gt;";
 	}
}
			
function toggle(id) {
	var submenu = document.getElementById("NAV_" + id).getElementsByTagName("ul")[0];
	var curdisplay = submenu.style.display;
	if (curdisplay == "block" || curdisplay == "") {
		setOpen(submenu, false);
	} else {
		setOpen(submenu, true);
	}
}
	
 function initialize() {
  	var submenus = document.getElementById("navigation").getElementsByTagName("ul")[0].getElementsByTagName("ul");
  	for (i = 0; i < submenus.length; i++) {
  		var submenu = submenus[i];
  		if (submenu.className == "open") {
  			setOpen(submenu, true);
  		} else {
  			setOpen(submenu, false);
  		}
  	}
 }