var lastNavObj = "";
var closeTimer = "";

function opennav(navobj) {
	resettimer();
	closenav();

	lastNavObj = navobj;
	$('#' + lastNavObj + '-menu').css('display', 'block');
}

function closenav() {
	if (lastNavObj != "") {
		$('#' + lastNavObj + '-menu').css('display', 'none');
		lastNavObj = "";
	}
}

function resettimer() {
	clearTimeout(closeTimer);
	closeTimer = setTimeout('closenav()', 3000);
}

$(document).ready(function (ev) {
	$('#nav-products').bind('mouseenter', function() { opennav('nav-products'); });
	$('#nav-who').bind('mouseenter', function() { opennav('nav-who'); });
	$('#nav-press').bind('mouseenter', function() { opennav('nav-press'); });
	$('#nav-contact').bind('mouseenter', function() { opennav('nav-contact'); });

	var zIndexNumber = 1000;
	$('div').each(function() {
		$(this).css('zIndex', zIndexNumber);
		zIndexNumber -= 10;
	});

	$('#nav-products-menu').css('zIndex', 10000);
	$('#nav-who-menu').css('zIndex', 10000);
	$('#nav-press-menu').css('zIndex', 10000);
	$('#nav-contact-menu').css('zIndex', 10000);

});