$(document).ready(function(){
	/* nav */
	var navListItems = $('#nav li');
	var originallySelectedNavItem = navListItems.filter('[class=highlighted]');
	var navLinks = $('#nav > li > a');
	var navDropDowns = navListItems.find('ul');

	navLinks.each(function(){
		var thisLink = $(this);
		var thisLinkParentLi = thisLink.parent();
		var thisLinkList = thisLinkParentLi.find('ul');

		thisLinkParentLi.mouseleave(function(){
			if (typeof(showDropDown) != 'undefined')
				clearTimeout(showDropDown);

			if (thisLinkList.length == 0)
				navListItems.removeClass('highlighted');
			else
				hideDropDown = setTimeout(function(){
					navListItems.removeClass('highlighted');
					thisLinkList.hide();
				}, 500);
		});

		thisLinkParentLi.mouseenter(function(){
			navDropDowns.hide();

			showDropDown = setTimeout(function(){
				thisLinkList.show();
			}, 200);

			navListItems.removeClass('highlighted');
			if (typeof(hideDropDown) != 'undefined')
				clearTimeout(hideDropDown);

			if (thisLinkParentLi.attr('id') != 'nav-subscribe' && !thisLinkParentLi.hasClass('selected'))
				thisLinkParentLi.addClass('highlighted');	
		});
	});

	/* news ticker items - adjusting for vertical align, size, etc. */
	$('#nat-content li').each(function(){
		var listItem = $(this);
		var padding = (listItem.height() - listItem.innerHeight()) / 2;

		listItem.css('padding', padding + 'px 0');
	});

	/* news ticker */
/*	var first = 0;
	var speed = 500;
	var pause = 4000;

	function removeFirst(){
		first = $('#nat-content ul li:first').html();
		$('#nat-content ul li:first').animate({opacity: 0}, speed).fadeOut('slow', function(){
			$(this).remove();
		;});
		addLast(first);
	}

	function addLast(first){
		last = '<li style="display:none">'+first+'</li>';
		$('#nat-content ul').append(last);
		$('#nat-content ul li:last').animate({opacity: 1}, speed).addClass('highlighted').fadeIn('slow');
	}

	interval = setInterval(removeFirst, pause);*/
});