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

function jsddm_open()
{	jsddm_canceltimer();
	jsddm_close();
	ddmenuitem = $(this).find('div').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).ready(function()
{	$('#mainMenu > li').bind('mouseover', jsddm_open);
	$('#mainMenu > li').bind('mouseout',  jsddm_timer);});

document.onclick = jsddm_close;


// Fix para IE6-7
if($.browser.msie && jQuery.browser.version.substr(0)<"8") {
	$(function() {
		var zIndexNumber = 10000;
		$('div').each(function() {
			$(this).css('zIndex', zIndexNumber);
			zIndexNumber -= 10;
		});
	});
}