$(document).ready(function(){
	caseStudy = $(document).getUrlParam("caseStudy");
	if (caseStudy != '' && caseStudy != null)
	{
		$('div.details').load("cases/"+caseStudy+".inc");
		selected = document.getElementById(caseStudy);
		$(selected).addClass('selected');
	}else
	{
		$('div.details').load("cases/bsm.inc");
		$('a#bsm').addClass('selected');
	}

	$('a.study').click(function(event){
		$(this).parent().nextAll().children(0).removeClass("selected");
		$(this).parent().prevAll().children(0).removeClass("selected");
		$(this).addClass("selected");
		caseStudy = $(this).attr("id");
		$('div.details').load("cases/"+caseStudy+".inc");
		event.preventDefault();
	});
	
	$('a.next').click(function(event){
		selected = $("a[class*='selected']");
		if ($(selected).attr("id") == $("ul.menu li:last").children(0).attr("id")) next = $("ul.menu li:first").children(0);
		else next = $(selected).parent().next().children(0);
		if ($(next).attr("id") != null)
		{
			$(selected).parent().nextAll().children(0).removeClass("selected");
			$(selected).removeClass("selected");
			$(selected).parent().prevAll().children(0).removeClass("selected");
			$(next).addClass("selected");
			caseStudy = $(next).attr("id");
			$('div.details').load("cases/"+caseStudy+".inc");
		}
		event.preventDefault();
	});
	
	$('a.previous').click(function(event){
		selected = $("a[class*='selected']");
		if ($(selected).attr("id") == $("ul.menu li:first").children(0).attr("id")) prev = $("ul.menu li:last").children(0);
		else prev = $(selected).parent().prev().children(0);
		if ($(prev).attr("id") != null)
		{
			$(selected).parent().nextAll().children(0).removeClass("selected");
			$(selected).removeClass("selected");
			$(selected).parent().prevAll().children(0).removeClass("selected");
			$(prev).addClass("selected");
			caseStudy = $(prev).attr("id");
			$('div.details').load("cases/"+caseStudy+".inc");
		}
		event.preventDefault();
	});
});