/*
Simple JQuery menu.
HTML structure to use:

Notes:

1: each menu MUST have an ID set. It doesn't matter what this ID is as long as it's there.
2: each menu MUST have a class 'menu' set. If the menu doesn't have this, the JS won't make it dynamic

Optional extra classnames:

noaccordion : no accordion functionality
collapsible : menu works like an accordion but can be fully collapsed
expandfirst : first menu item expanded at page load

<ul id="menu1" class="menu [optional class] [optional class]">
<li><a href="#">Sub menu heading</a>
<ul>
<li><a href="http://site.com/">Link</a></li>
<li><a href="http://site.com/">Link</a></li>
<li><a href="http://site.com/">Link</a></li>
...
...
</ul>
<li><a href="#">Sub menu heading</a>
<ul>
<li><a href="http://site.com/">Link</a></li>
<li><a href="http://site.com/">Link</a></li>
<li><a href="http://site.com/">Link</a></li>
...
...
</ul>
...
...
</ul>

Copyright 2008 by Marco van Hylckama Vlieg

web: http://www.i-marco.nl/weblog/
email: marco@i-marco.nl

Free for non-commercial use
*/

function initMenus() {
	$('ul.menu ul').hide();
	$('ul.menu ul li.subsel').parent().show();
	$('ul.menu ul li ul li.subsel').parent().parent().parent().show();
	$('ul.menu li.titlesel ul.sub').show();

	$('ul.menu ul li.subsel').parent().parent().removeClass('title');
	$('ul.menu ul li.subsel').parent().parent().addClass('titlesel');
	$('ul.menu ul.sub ul li.subsel').parent().parent().removeClass('titlesel');
	$('ul.menu ul.sub ul li.subsel').parent().parent().parent().parent().removeClass('title');//
	$('ul.menu ul.sub ul li.subsel').parent().parent().parent().parent().addClass('titlesel');//

	$.each($('ul.menu'), function(){
		$('#' + this.id + '.expandfirst ul:first').show();
	});
	$('ul.menu li a').click(
		function() {
			var checkElement = $(this).next();
			var parent = this.parentNode.parentNode.id;

			if (!parent)
				parent = this.parentNode.parentNode.parentNode.parentNode.id;

			if (window.location.pathname.indexOf($(this).attr('href')) > -1 || $(this).attr('href') == '#') {
				if($('#' + parent).hasClass('noaccordion')) {
					$(this).next().slideToggle('normal');
					return false;
				}
				if((checkElement.is('ul')) && (checkElement.is(':visible'))) {
					if($('#' + parent).hasClass('collapsible') && !$(checkElement).hasClass('subsub')) {
						$('#' + parent + ' ul:visible').slideUp('normal');
					}
					else if ($('#' + parent).hasClass('collapsible')) {
						checkElement.slideUp('normal');
					}
					return false;
				}
				if((checkElement.is('ul')) && (!checkElement.is(':visible'))) {
					if (!$(checkElement).hasClass('subsub')) {
						$('#' + parent + ' ul:visible').slideUp('normal');
					}

					checkElement.slideDown('normal');
					return false;
				}
			}
			else {
				return true;
			}
		}
	);
}
$(document).ready(function() {initMenus();});