//Rollover menu

var closetimer = null;
var menuitem = 0;
var timeout = 300;

//main function that opens the menu div
function openmenu(id) {
	stoptimer();
	closemenu();
	menuitem = document.getElementById(id);
	menuitem.style.visibility = "visible";
		}

//hides menus if visible
function closemenu() {
if(menuitem) menuitem.style.visibility = "hidden";	
}

function timer() {
	closetimer = window.setTimeout(closemenu, timeout);
}

function stoptimer()  {
	if(closetimer) {
	window.clearTimeout(closetimer);
	closetimer = null;}
	}

//document.onclick = closemenu();