/* 
   Simple JQuery Accordion menu.
   HTML structure to use:

   <ul id="menu">
     <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 2007 by Marco van Hylckama Vlieg

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

Free for non-commercial use
*/

function initMenu() {
	$('#menu ul').hide();
	// $('#menu ul:first').show();
	$('#menu ul:first').hide();
	$('#menu li a').click(
	function() 
	{
		var checkElement = $(this).next();
		var abuelo = $(this).parent().parent().parent();
		if((checkElement.is('ul')) && (checkElement.is(':visible')))
		{
			checkElement.slideUp('normal');
			checkElement.prev().attr('style', '');
			return false;
		}
		
		if((checkElement.is('ul')) && (!checkElement.is(':visible')))
		{
			if((abuelo.is('li'))) {
				var her1 = $(this).parent().prev();
				var her2 = $(this).parent().next();
				if( (her1.is('li')) &&  (her1.children('ul').is(':visible')))
				{
					checkElement.slideDown('normal');
					checkElement.prev().attr('style', 'background: url(images/defaults/bg2.jpg) no-repeat 0 0;	background-position:-414px 0;	position:relative;');
					her1.children('ul').slideUp('normal');
					her1.prev().attr('style','');
					return false;
				}else if((her2.is('li')) &&  (her2.children('ul').is(':visible')))
				{
					checkElement.slideDown('normal');
					checkElement.prev().attr('style', 'background: url(images/defaults/bg2.jpg) no-repeat 0 0;	background-position:-414px 0;	position:relative;');
					her2.children('ul').slideUp('normal');
					her2.prev().attr('style','');
					return false;
				}else{
					checkElement.slideDown('normal');
					checkElement.prev().attr('style', 'background: url(images/defaults/bg2.jpg) no-repeat 0 0;	background-position:-414px 0;	position:relative;');
					return false;
				}
			}else{ //es del primer nivel
				$('#menu ul:visible').slideUp('normal');
				$('#menu ul:visible').prev().attr('style','');
				checkElement.slideDown('normal');
				checkElement.prev().attr('style', 'background: url(images/defaults/bg1.jpg) no-repeat 0 0;background-position:-414px 0;	color: #fff;position:relative;');
				return false;
			}
		}
	}
    );
  }
$(document).ready(function() {initMenu();});