var t;

function slideshow(){

	var $slideNav = $('#slide-nav li a');
	var $slides = $('#slideshow ol li');

	$('#slide-nav li a').click(function(){
		var $this = $(this);
		var slideID = $this.attr('href');
		showSlide(this, $slides, $slideNav);
		return false;
	});
}

function showSlide(navItem, slides, slideNav){
clearTimeout(t);
t = setTimeout(showNext, 5000);
var slideID = $(navItem).attr("href");

if(!$(navItem).hasClass('selected')){
			$(slideNav).removeClass('selected');
			$(navItem).addClass('selected');
			$(slides).fadeOut(500);
			$(slideID).fadeIn(500);
}

}

function showNext(){
	var $next = $("#slide-nav li:has(.selected)").next().find("a");
        showSlide($next, "#slideshow ol li", "#slide-nav li a");
}