// JavaScript Document

	$(document).ready(function(){
			
			// get current url
			var currentPage = window.location.pathname;
			var currentPageName = currentPage.substring((currentPage.lastIndexOf('/') + 1),currentPage.lastIndexOf('.'));
			var currentNavId = "nav-" + currentPageName.toLowerCase();
			
			var currentSection = currentPage.split("/");

			var sectionId = '';
			if( (currentPage.split("/").length-1) > 2 ){
				sectionId = 'nav-'+currentSection[2].toLowerCase();
			}
			
			// check for a nav item with the current id and select it
			function selectCurrentNav(currentId){
				$('#header .menu li').each(function(){
					var navId = $(this).attr('id');
					if( navId == currentId ){
						$(this).addClass('selected');
					} else if( navId == sectionId ){
						$(this).addClass('selected');
					}
				});
			}
			
			selectCurrentNav(currentNavId);
			
		});