var timeout         = 500;
var closetimer		= 0;
var ddmenuitem      = 0;
var ddmenuoneoff      = 0;
var ddmenuone      = 0;
var ddmenutwo		= 0;

function topmenu_open()
{	topmenu_canceltimer();
	topmenu_close();
	ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');
	ddmenuone = $(this).find('.on').css('background-image', 'url(images/layout/topmenu_over.gif)');
	ddmenuoneoff = $(this).find('.off').css('background-image', 'url(images/layout/topmenu_over.gif)');
	ddmenutwo = $(this).find('a').eq(1).css('background-image', 'none');
	}

function topmenu_close()
{	if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');
	if(ddmenuoneoff) ddmenuoneoff.css('background-image', 'url(images/layout/topmenu.gif)');
	}

function topmenu_timer()
{	closetimer = window.setTimeout(topmenu_close, timeout);}

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

$(document).ready(function()
{	$('#topmenu > li').bind('mouseover', topmenu_open);
	$('#topmenu > li').bind('mouseout',  topmenu_timer);});

document.onclick = topmenu_close;