var timeout         = 500;
var closetimer		= 0;
var ddmenuitem      = 0;

function jsddm_open()
{	jsddm_canceltimer();
	jsddm_close();
	ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');}

function jsddm_close()
{	if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');}

function jsddm_timer()
{	closetimer = window.setTimeout(jsddm_close, timeout);}

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

document.onclick = jsddm_close;

$(function(){
	$('#menu > li').bind('mouseover', jsddm_open);
	$('#menu > li').bind('mouseout',  jsddm_timer);

	$('img.highlight_img')
		.bind('mouseover', function(){
			var newSrc = $(this).attr('title');
			$(this).attr('title', $(this).attr('src'));
			$(this).attr('src', newSrc);
		})
		.bind('mouseout', function(){
			var newSrc = $(this).attr('title');
			$(this).attr('title', $(this).attr('src'));
			$(this).attr('src', newSrc);
		});
});